Siddharth Seth created TEZ-1978:
-----------------------------------
Summary: NPE in taskReporter in specific scenarios
Key: TEZ-1978
URL: https://issues.apache.org/jira/browse/TEZ-1978
Project: Apache Tez
Issue Type: Bug
Reporter: Siddharth Seth
Assignee: Siddharth Seth
If a task throws an exception, and subsequently reports an error via the
*Contexts (threads) - then the following NPE can occur.
{code}
java.lang.NullPointerException
at
org.apache.tez.runtime.task.TaskReporter$HeartbeatCallable.access$300(TaskReporter.java:120)
at
org.apache.tez.runtime.task.TaskReporter.taskFailed(TaskReporter.java:382)
at
org.apache.tez.runtime.task.TezTaskRunner.signalFatalError(TezTaskRunner.java:298)
at
org.apache.tez.runtime.api.impl.TezTaskContextImpl.signalFatalError(TezTaskContextImpl.java:209)
at
org.apache.tez.runtime.api.impl.TezInputContextImpl.fatalError(TezInputContextImpl.java:129)
at
org.apache.tez.runtime.library.common.shuffle.orderedgrouped.Shuffle$ShuffleRunnerFutureCallback.onFailure(Shuffle.java:490)
at com.google.common.util.concurrent.Futures$6.run(Futures.java:977)
at
com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
at
com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
at
com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
at
com.google.common.util.concurrent.ListenableFutureTask.done(ListenableFutureTask.java:86)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:380)
at java.util.concurrent.FutureTask.setException(FutureTask.java:247)
at java.util.concurrent.FutureTask.run(FutureTask.java:267)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
{code}
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