[MAPREDUCE-2686] NPE while requesting info for a non-existing job

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Duplicate
• Affects Version/s: 0.23.0
• Fix Version/s: 0.23.0
• Component/s: mrv2
• Assignee: Siddharth Seth
• Reporter: Ramya Sunil
• Created: 14/Jul/11 17:46
• Updated: 15/Nov/11 00:50
• Resolved: 19/Sep/11 08:14

Description

While performing job related operations such as job -kill, -status, -events etc for an unknown job, the following NPE is seen:

Exception in thread "main" java.lang.NullPointerException
at org.apache.hadoop.mapred.ClientServiceDelegate.refreshProxy(ClientServiceDelegate.java:112)
at org.apache.hadoop.mapred.ClientServiceDelegate.getProxy(ClientServiceDelegate.java:100)
at org.apache.hadoop.mapred.ClientServiceDelegate.getRefreshedProxy(ClientServiceDelegate.java:93)
at org.apache.hadoop.mapred.ClientServiceDelegate.getJobStatus(ClientServiceDelegate.java:383)
at org.apache.hadoop.mapred.YARNRunner.getJobStatus(YARNRunner.java:515)
at org.apache.hadoop.mapreduce.Cluster.getJob(Cluster.java:154)
at org.apache.hadoop.mapreduce.tools.CLI.run(CLI.java:254)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:69)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:83)
at org.apache.hadoop.mapred.JobClient.main(JobClient.java:1074)

Issue Links

• is duplicated by: MAPREDUCE-2925 job -status <JOB_ID> is giving continuously info message for completed jobs on the console