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From "Tzu-Li (Gordon) Tai" <tzuli...@apache.org>
Subject Re: Exception in Flink 1.3.0
Date Tue, 06 Jun 2017 06:51:53 GMT
Hi,

Thanks for reporting this.
This is a know issue to be fixed in the upcoming 1.3.1: https://issues.apache.org/jira/browse/FLINK-6844.

Regards,
Gordon


On 6 June 2017 at 1:47:53 AM, rhashmi (rizhashmi@hotmail.com) wrote:

After upgrade i started getting this exception, is this a bug?  


2017-06-05 23:45:03,423 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph - UTCStream ->  
Sink: UTC sink (2/12) (f78ef7f7368d27f414ebb9d0db7a26c8) switched from  
RUNNING to FAILED.  
java.lang.Exception: Could not perform checkpoint 1 for operator UTCStream  
-> Sink: UTC sink (2/12).  
at  
org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpointOnBarrier(StreamTask.java:551)
 
at  
org.apache.flink.streaming.runtime.io.BarrierBuffer.notifyCheckpoint(BarrierBuffer.java:378)
 
at  
org.apache.flink.streaming.runtime.io.BarrierBuffer.processBarrier(BarrierBuffer.java:281)
 
at  
org.apache.flink.streaming.runtime.io.BarrierBuffer.getNextNonBlocked(BarrierBuffer.java:183)
 
at  
org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:213)
 
at  
org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:69)
 
at  
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:262)  
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702)  
at java.lang.Thread.run(Thread.java:745)  
Caused by: java.lang.Exception: Could not complete snapshot 1 for operator  
UTCStream -> Sink: UTC sink (2/12).  
at  
org.apache.flink.streaming.api.operators.AbstractStreamOperator.snapshotState(AbstractStreamOperator.java:407)
 
at  
org.apache.flink.streaming.runtime.tasks.StreamTask$CheckpointingOperation.checkpointStreamOperator(StreamTask.java:1157)
 
at  
org.apache.flink.streaming.runtime.tasks.StreamTask$CheckpointingOperation.executeCheckpointing(StreamTask.java:1089)
 
at  
org.apache.flink.streaming.runtime.tasks.StreamTask.checkpointState(StreamTask.java:653) 

at  
org.apache.flink.streaming.runtime.tasks.StreamTask.performCheckpoint(StreamTask.java:589)
 
at  
org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpointOnBarrier(StreamTask.java:542)
 
... 8 more  
Caused by: java.lang.UnsupportedOperationException  
at  
org.apache.flink.api.scala.typeutils.TraversableSerializer.snapshotConfiguration(TraversableSerializer.scala:155)
 
at  
org.apache.flink.api.java.typeutils.runtime.PojoSerializer.buildConfigSnapshot(PojoSerializer.java:1183)
 
at  
org.apache.flink.api.java.typeutils.runtime.PojoSerializer.snapshotConfiguration(PojoSerializer.java:572)
 
at  
org.apache.flink.api.java.typeutils.runtime.PojoSerializer.snapshotConfiguration(PojoSerializer.java:55)
 
at  
org.apache.flink.runtime.state.RegisteredKeyedBackendStateMetaInfo.snapshot(RegisteredKeyedBackendStateMetaInfo.java:77)
 
at  
org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.snapshot(HeapKeyedStateBackend.java:267)
 
at  
org.apache.flink.streaming.api.operators.AbstractStreamOperator.snapshotState(AbstractStreamOperator.java:397)
 



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