Ted Yu created MAPREDUCE-4940:
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Summary: division by zero in getLocalPathForWrite()
Key: MAPREDUCE-4940
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4940
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Ted Yu
see
https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0/345/testReport/org.apache.hadoop.hbase.mapreduce/TestImportExport/testSimpleCase/
{code}
2013-01-12 11:53:52,809 WARN [AsyncDispatcher event handler]
resourcemanager.RMAuditLogger(255): USER=jenkins OPERATION=Application
Finished - Failed TARGET=RMAppManager RESULT=FAILURE DESCRIPTION=App
failed with state: FAILED PERMISSIONS=Application
application_1357991604658_0002 failed 1 times due to AM Container for
appattempt_1357991604658_0002_000001 exited with exitCode: -1000 due to:
java.lang.ArithmeticException: / by zero
at
org.apache.hadoop.fs.LocalDirAllocator$AllocatorPerContext.getLocalPathForWrite(LocalDirAllocator.java:368)
at
org.apache.hadoop.fs.LocalDirAllocator.getLocalPathForWrite(LocalDirAllocator.java:150)
at
org.apache.hadoop.fs.LocalDirAllocator.getLocalPathForWrite(LocalDirAllocator.java:131)
at
org.apache.hadoop.fs.LocalDirAllocator.getLocalPathForWrite(LocalDirAllocator.java:115)
at
org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService.getLocalPathForWrite(LocalDirsHandlerService.java:279)
at
org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$LocalizerRunner.run(ResourceLocalizationService.java:851)
.Failing this attempt.. Failing the application.
APPID=application_1357991604658_0002
{code}
Here is related code:
{code}
// Keep rolling the wheel till we get a valid path
Random r = new java.util.Random();
while (numDirsSearched < numDirs && returnPath == null) {
long randomPosition = Math.abs(r.nextLong()) % totalAvailable;
{code}
My guess is that totalAvailable was 0, meaning dirDF was empty.
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