[jira] [Updated] (MAPREDUCE-7048) Uber AM can crash due to unknown task in statusUpdate
[
https://issues.apache.org/jira/browse/MAPREDUCE-7048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jason Lowe updated MAPREDUCE-7048:
--
Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.7.6
2.8.4
2.9.1
2.10.0
3.0.1
3.1.0
Status: Resolved (was: Patch Available)
Thanks, [~pbacsko]! I committed this to trunk, branch-3.1, branch-3.0,
branch-3.0.1, branch-2, branch-2.9, branch-2.8, and branch-2.7.
> Uber AM can crash due to unknown task in statusUpdate
> -
>
> Key: MAPREDUCE-7048
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7048
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mr-am
>Affects Versions: 3.1.0, 3.0.1, 2.10.0, 2.9.1, 2.8.4, 2.7.6
>Reporter: Peter Bacsko
>Assignee: Peter Bacsko
>Priority: Major
> Fix For: 3.1.0, 3.0.1, 2.10.0, 2.9.1, 2.8.4, 2.7.6
>
> Attachments: MAPREDUCE-7048-001.patch, MAPREDUCE-7048-002.patch,
> MAPREDUCE-7048-003.patch, MAPREDUCE-7048-branch-2.01.patch,
> MAPREDUCE-7048-branch-2.7.01.patch, MAPREDUCE-7048-branch-2.7.01.patch,
> MAPREDUCE-7048-branch-2.8.01.patch, MAPREDUCE-7048-branch-2.9.01.patch
>
>
> The testcase TestUberAM#testThreadDumpOnTaskTimeout was supposed to be fixed
> by MAPREDUCE-7020. However, it still fails, see:
> https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7325/testReport/junit/org.apache.hadoop.mapreduce.v2/TestMRJobs/testThreadDumpOnTaskTimeout/
> (note: other tests failed as well, but those look unrelated).
> When I tried to reproduce it locally, it failed again, although with a
> slightly different error message (it was actually the same as before):
> {noformat}
> [INFO] ---
> [INFO] T E S T S
> [INFO] ---
> [INFO] Running org.apache.hadoop.mapreduce.v2.TestUberAM
> [ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed:
> 128.192 s <<< FAILURE! - in org.apache.hadoop.mapreduce.v2.TestUberAM
> [ERROR]
> testThreadDumpOnTaskTimeout(org.apache.hadoop.mapreduce.v2.TestUberAM) Time
> elapsed: 79.539 s <<< FAILURE!
> java.lang.AssertionError: No AppMaster log found! expected:<1> but was:<2>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:555)
> at
> org.apache.hadoop.mapreduce.v2.TestMRJobs.testThreadDumpOnTaskTimeout(TestMRJobs.java:1228)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
> {noformat}
> *Root cause:* {{System.exit()}} is still invoked at {{Task.statusUpdate()}}
> {noformat}
> public void statusUpdate(TaskUmbilicalProtocol umbilical)
> throws IOException {
> int retries = MAX_RETRIES;
> while (true) {
> try {
> if (!umbilical.statusUpdate(getTaskID(), taskStatus).getTaskFound()) {
> LOG.warn("Parent died. Exiting "+taskId);
> System.exit(66);
> }
> taskStatus.clearStatus();
> return;
> ...
> {noformat}
> At this point, the task was not found and return value of
> {{umbilical.statusUpdate()}} is false. Checking whether we run in uber mode
> seems to solve the problem.
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[jira] [Updated] (MAPREDUCE-7048) Uber AM can crash due to unknown task in statusUpdate
[
https://issues.apache.org/jira/browse/MAPREDUCE-7048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jason Lowe updated MAPREDUCE-7048:
--
Summary: Uber AM can crash due to unknown task in statusUpdate (was: AM
can still crash after MAPREDUCE-7020)
> Uber AM can crash due to unknown task in statusUpdate
> -
>
> Key: MAPREDUCE-7048
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7048
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mr-am
>Affects Versions: 3.1.0, 3.0.1, 2.10.0, 2.9.1, 2.8.4, 2.7.6
>Reporter: Peter Bacsko
>Assignee: Peter Bacsko
>Priority: Major
> Attachments: MAPREDUCE-7048-001.patch, MAPREDUCE-7048-002.patch,
> MAPREDUCE-7048-003.patch, MAPREDUCE-7048-branch-2.01.patch,
> MAPREDUCE-7048-branch-2.7.01.patch, MAPREDUCE-7048-branch-2.7.01.patch,
> MAPREDUCE-7048-branch-2.8.01.patch, MAPREDUCE-7048-branch-2.9.01.patch
>
>
> The testcase TestUberAM#testThreadDumpOnTaskTimeout was supposed to be fixed
> by MAPREDUCE-7020. However, it still fails, see:
> https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7325/testReport/junit/org.apache.hadoop.mapreduce.v2/TestMRJobs/testThreadDumpOnTaskTimeout/
> (note: other tests failed as well, but those look unrelated).
> When I tried to reproduce it locally, it failed again, although with a
> slightly different error message (it was actually the same as before):
> {noformat}
> [INFO] ---
> [INFO] T E S T S
> [INFO] ---
> [INFO] Running org.apache.hadoop.mapreduce.v2.TestUberAM
> [ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed:
> 128.192 s <<< FAILURE! - in org.apache.hadoop.mapreduce.v2.TestUberAM
> [ERROR]
> testThreadDumpOnTaskTimeout(org.apache.hadoop.mapreduce.v2.TestUberAM) Time
> elapsed: 79.539 s <<< FAILURE!
> java.lang.AssertionError: No AppMaster log found! expected:<1> but was:<2>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:555)
> at
> org.apache.hadoop.mapreduce.v2.TestMRJobs.testThreadDumpOnTaskTimeout(TestMRJobs.java:1228)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
> {noformat}
> *Root cause:* {{System.exit()}} is still invoked at {{Task.statusUpdate()}}
> {noformat}
> public void statusUpdate(TaskUmbilicalProtocol umbilical)
> throws IOException {
> int retries = MAX_RETRIES;
> while (true) {
> try {
> if (!umbilical.statusUpdate(getTaskID(), taskStatus).getTaskFound()) {
> LOG.warn("Parent died. Exiting "+taskId);
> System.exit(66);
> }
> taskStatus.clearStatus();
> return;
> ...
> {noformat}
> At this point, the task was not found and return value of
> {{umbilical.statusUpdate()}} is false. Checking whether we run in uber mode
> seems to solve the problem.
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