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Posted to mapreduce-issues@hadoop.apache.org by "Vinod Kumar Vavilapalli (Assigned) (JIRA)" <ji...@apache.org> on 2012/02/04 01:43:53 UTC
[jira] [Assigned] (MAPREDUCE-3770) [Rumen] Zombie.getJobConf()
results into NPE
[ https://issues.apache.org/jira/browse/MAPREDUCE-3770?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vinod Kumar Vavilapalli reassigned MAPREDUCE-3770:
--------------------------------------------------
Assignee: Amar Kamat
Amar, this should be simple enough fix, can you please take this to completion including any tests you may want to add? Thanks.
> [Rumen] Zombie.getJobConf() results into NPE
> --------------------------------------------
>
> Key: MAPREDUCE-3770
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3770
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tools/rumen
> Affects Versions: 0.23.0, 0.24.0
> Reporter: Amar Kamat
> Assignee: Amar Kamat
> Labels: job-name, rumen
> Fix For: 0.23.1, 0.24.0
>
>
> The error trace is as follows
> {code}
> java.lang.NullPointerException
> at java.util.Hashtable.put(Hashtable.java:394)
> at java.util.Properties.setProperty(Properties.java:143)
> at org.apache.hadoop.conf.Configuration.set(Configuration.java:623)
> at org.apache.hadoop.mapred.JobConf.setJobName(JobConf.java:1322)
> at org.apache.hadoop.tools.rumen.ZombieJob.getJobConf(ZombieJob.java:139)
> at org.apache.hadoop.mapred.gridmix.DistributedCacheEmulator.updateHDFSDistCacheFilesList(DistributedCacheEmulator.java:315)
> at org.apache.hadoop.mapred.gridmix.DistributedCacheEmulator.buildDistCacheFilesList(DistributedCacheEmulator.java:280)
> at org.apache.hadoop.mapred.gridmix.DistributedCacheEmulator.setupGenerateDistCacheData(DistributedCacheEmulator.java:253)
> at org.apache.hadoop.mapred.gridmix.Gridmix.setupDistCacheEmulation(Gridmix.java:528)
> at org.apache.hadoop.mapred.gridmix.Gridmix.setupEmulation(Gridmix.java:501)
> at org.apache.hadoop.mapred.gridmix.Gridmix.start(Gridmix.java:433)
> at org.apache.hadoop.mapred.gridmix.Gridmix.runJob(Gridmix.java:380)
> at org.apache.hadoop.mapred.gridmix.Gridmix.access$000(Gridmix.java:56)
> at org.apache.hadoop.mapred.gridmix.Gridmix$1.run(Gridmix.java:313)
> at org.apache.hadoop.mapred.gridmix.Gridmix$1.run(Gridmix.java:311)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1157)
> at org.apache.hadoop.mapred.gridmix.Gridmix.run(Gridmix.java:311)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:69)
> at org.apache.hadoop.mapred.gridmix.Gridmix.main(Gridmix.java:606)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:200)
> {code}
> The bug seems to be in {{ZombieJob#getName()}} where a not-null check for jobName.getValue() is missing.
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