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From 刘建刚 <liujiangangp...@gmail.com>
Subject Re: java.lang.StackOverflowError
Date Wed, 22 Jan 2020 02:24:56 GMT
I am using flink 1.6.2 on yarn. State backend is rocksdb. 

> 2020年1月22日 上午10:15,刘建刚 <liujiangangpeng@gmail.com> 写道:
> 
>       I have a flink job which fails occasionally. I am eager to avoid this problem. Can anyone help me? The error stacktrace is as following:
> java.io.IOException: java.lang.StackOverflowError
> 	at org.apache.flink.runtime.io.network.partition.consumer.InputChannel.checkError(InputChannel.java:191)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.getNextBuffer(RemoteInputChannel.java:194)
> 	at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.getNextBufferOrEvent(SingleInputGate.java:589)
> 	at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.getNextBufferOrEvent(SingleInputGate.java:546)
> 	at org.apache.flink.streaming.runtime.io.BarrierBuffer.getNextNonBlocked(BarrierBuffer.java:175)
> 	at org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:236)
> 	at org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:105)
> 	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:335)
> 	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:754)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.StackOverflowError
> 	at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.notifyChannelNonEmpty(SingleInputGate.java:656)
> 	at org.apache.flink.runtime.io.network.partition.consumer.InputChannel.notifyChannelNonEmpty(InputChannel.java:125)
> 	at org.apache.flink.runtime.io.network.partition.consumer.InputChannel.setError(InputChannel.java:203)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:403)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:282)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:172)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:95)
> 	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84)
> 	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:147)
> 	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:380)
> 


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