Nico Kruber created FLINK-9057:
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Summary: NPE in CreditBasedSequenceNumberingViewReader when
cancelling before initilization was complete
Key: FLINK-9057
URL: https://issues.apache.org/jira/browse/FLINK-9057
Project: Flink
Issue Type: Bug
Components: Network
Affects Versions: 1.5.0, 1.6.0
Reporter: Nico Kruber
Assignee: Nico Kruber
Fix For: 1.5.0
{{RescalingITCase}} unveiled an exception which may occur when shutting down
before completely initializing the network stack:
https://travis-ci.org/apache/flink/jobs/356612100
{code}
01:08:13,458 WARN
org.apache.flink.shaded.netty4.io.netty.channel.DefaultChannelPipeline - An
exception was thrown by a user handler's exceptionCaught() method while
handling the following exception:
java.lang.NullPointerException
at
org.apache.flink.runtime.io.network.netty.CreditBasedSequenceNumberingViewReader.releaseAllResources(CreditBasedSequenceNumberingViewReader.java:192)
at
org.apache.flink.runtime.io.network.netty.PartitionRequestQueue.releaseAllResources(PartitionRequestQueue.java:322)
at
org.apache.flink.runtime.io.network.netty.PartitionRequestQueue.channelInactive(PartitionRequestQueue.java:298)
at
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:237)
at
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:223)
at
org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:75)
at
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:237)
at
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:223)
at
org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:75)
at
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:237)
at
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:223)
at
org.apache.flink.shaded.netty4.io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:294)
at
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:237)
at
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:223)
at
org.apache.flink.shaded.netty4.io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:829)
at
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:610)
at
org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357)
at
org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
at
org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
at java.lang.Thread.run(Thread.java:748)
{code}
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