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https://issues.apache.org/jira/browse/FLINK-1830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14545537#comment-14545537
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Stefan Bunk commented on FLINK-1830:
------------------------------------
This did not happen again, so I cannot provide logs, sorry for that. I am
currently working on the 0.9-SNAPSHOT, so maybe that's already fixed.
> 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
> Labels: network
>
> 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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