NPE in JobClient querying an (empty) queue ------------------------------------------
Key: MAPREDUCE-1587 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1587 Project: Hadoop Map/Reduce Issue Type: Bug Components: client Affects Versions: 0.22.0 Environment: Suse Linux Java 6u15 Reporter: Steve Loughran Priority: Minor Getting a stack trace on a VM-hosted cluster with an empty queue. Thought maybe it was the -verbose option, but no, remove that and I still see it. {code} java org.apache.hadoop.mapred.JobQueueClient -list -showjobs -verbose [sshexec] 10/03/10 13:56:21 INFO security.Groups: Group mapping impl=org.apache.hadoop.security.ShellBasedUnixGroupsMapping; cacheTimeout=300000 [sshexec] 10/03/10 13:56:21 INFO jvm.JvmMetrics: Initializing JVM Metrics with processName=JobTracker, sessionId= [sshexec] Exception in thread "main" [sshexec] java.lang.NullPointerException [sshexec] at org.apache.hadoop.mapred.JobClient.getJobQueueInfoArray(JobClient.java:921) [sshexec] at org.apache.hadoop.mapred.JobClient.getRootQueues(JobClient.java:937) [sshexec] at org.apache.hadoop.mapred.JobQueueClient.displayQueueList(JobQueueClient.java:142) [sshexec] at org.apache.hadoop.mapred.JobQueueClient.run(JobQueueClient.java:96) [sshexec] at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) [sshexec] at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) [sshexec] at org.apache.hadoop.mapred.JobQueueClient.main(JobQueueClient.java:232) {code} -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.