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https://issues.apache.org/jira/browse/MAPREDUCE-2297?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Devaraj K reassigned MAPREDUCE-2297:
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Assignee: Devaraj K
> All map reduce tasks are failing if we give invalid path jar file for Job
> -------------------------------------------------------------------------
>
> Key: MAPREDUCE-2297
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2297
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.20.2
> Reporter: Devaraj K
> Assignee: Devaraj K
> Priority: Minor
> Attachments: MAPREDUCE-2297.patch
>
>
> This can be reproduced by giving the invalid jar file for the Job or it can
> be reproduced from hive.
> In hive-default.xml
> <property>
> <name>hive.aux.jars.path</name>
> <value></value>
> <description>Provided for adding auxillaryjarsPath</description>
> </property>
> If we configure an invalid path for jar file, It is making all map reduce
> tasks to fail even those jobs are not depending on this jar file and it is
> giving the below exception.
> {code:xml}
> hive> select * from a join b on(a.b=b.c);
> Total MapReduce jobs = 1
> Launching Job 1 out of 1
> Number of reduce tasks not specified. Estimated from input data size: 1
> In order to change the average load for a reducer (in bytes):
> set hive.exec.reducers.bytes.per.reducer=<number>
> In order to limit the maximum number of reducers:
> set hive.exec.reducers.max=<number>
> In order to set a constant number of reducers:
> set mapred.reduce.tasks=<number>
> java.io.FileNotFoundException: File does not exist: /user/root/grade.jar
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:495)
> at
> org.apache.hadoop.filecache.DistributedCache.getTimestamp(DistributedCache.java:509)
> at
> org.apache.hadoop.mapred.JobClient.configureCommandLineOptions(JobClient.java:651)
> at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:783)
> at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:752)
> at org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:698)
> at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:107)
> at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:64)
> {code}
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