[FLINK-2177] NullPointer in task resource release

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.9
• Fix Version/s: 0.9
• Component/s: Runtime / Coordination
• Assignee: Ufuk Celebi
• Reporter: Stephan Ewen
• Created: 05/Jun/15 20:57
• Updated: 08/Jun/15 05:16
• Resolved: 08/Jun/15 05:16

Description

==============================================================
======================      FATAL      =======================
==============================================================

A fatal error occurred, forcing the TaskManager to shut down: FATAL - exception in task resource cleanup
java.lang.NullPointerException
	at org.apache.flink.runtime.io.network.netty.PartitionRequestClientHandler.cancelRequestFor(PartitionRequestClientHandler.java:89)
	at org.apache.flink.runtime.io.network.netty.PartitionRequestClient.close(PartitionRequestClient.java:182)
	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.releaseAllResources(RemoteInputChannel.java:199)
	at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.releaseAllResources(SingleInputGate.java:332)
	at org.apache.flink.runtime.io.network.NetworkEnvironment.unregisterTask(NetworkEnvironment.java:368)
	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:650)
	at java.lang.Thread.run(Thread.java:701)