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From "Stefan Bunk (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-1830) java.io.IOException: Network stream corrupted
Date Mon, 06 Apr 2015 12:01:12 GMT
Stefan Bunk created FLINK-1830:
----------------------------------

             Summary: java.io.IOException: Network stream corrupted
                 Key: FLINK-1830
                 URL: https://issues.apache.org/jira/browse/FLINK-1830
             Project: Flink
          Issue Type: Bug
    Affects Versions: 0.8.1
            Reporter: Stefan Bunk


When running my Flink job I get the following error:

{quote}
04.Apr. 20:43:12 WARN  DefaultChannelPipeline - An exceptionCaught() event was fired, and
it reached at the tail of the pipeline. It usually means the last handler in the pipeline
did not handle the exception.
java.io.IOException: Network stream corrupted: invalid magicnumber in current envelope header.
        at org.apache.flink.runtime.io.network.netty.InboundEnvelopeDecoder.decodeEnvelope(InboundEnvelopeDecoder.java:239)
        at org.apache.flink.runtime.io.network.netty.InboundEnvelopeDecoder.decodeBuffer(InboundEnvelopeDecoder.java:127)
        at org.apache.flink.runtime.io.network.netty.InboundEnvelopeDecoder.channelRead(InboundEnvelopeDecoder.java:111)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:125)
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
        at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
        at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
        at java.lang.Thread.run(Thread.java:745)
{quote}

Sometimes the job works, sometimes it fails with the above error.
When it fails, the job still appears as running, but nothing happens anymore until I cancel
it manually. In the logs I can then find the error, often repeated hundreds of times.



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