[MAPREDUCE-1082] Command line UI for queues' information is broken with hierarchical queues.

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Duplicate
• Affects Version/s: 0.21.0
• Fix Version/s: 0.21.0
• Component/s: client, jobtracker
• Assignee: V.V.Chaitanya Krishna
• Reporter: Vinod Kumar Vavilapalli
• Created: 08/Oct/09 07:55
• Updated: 24/Aug/10 21:18
• Resolved: 08/Dec/09 05:44

Description

When the command "./bin/mapred --config ~/tmp/conf/ queue -list" is run, it just hangs. I can see the following in the JT logs:

2009-10-08 13:19:26,762 INFO org.apache.hadoop.ipc.Server: IPC Server handler 1 on 55555 caught: java.lang.NullPointerException
        at org.apache.hadoop.mapreduce.QueueInfo.write(QueueInfo.java:217)
        at org.apache.hadoop.mapreduce.QueueInfo.write(QueueInfo.java:223)
        at org.apache.hadoop.io.ObjectWritable.writeObject(ObjectWritable.java:159)
        at org.apache.hadoop.io.ObjectWritable.writeObject(ObjectWritable.java:126)
        at org.apache.hadoop.io.ObjectWritable.write(ObjectWritable.java:70)
        at org.apache.hadoop.ipc.Server.setupResponse(Server.java:1074)
        at org.apache.hadoop.ipc.Server.access$2400(Server.java:77)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:983)

Same is the case with "./bin/mapred --config ~/tmp/conf/ queue -info <any-container-queue>"

Issue Links

• blocks: MAPREDUCE-1110 Currently QueueManager API's return JobQueueInfo , instead it should return QueueInfo, similarly wher ever we are using JobQueueInfo as view , we should use QueueInfo
• is blocked by: MAPREDUCE-1007 MAPREDUCE-777 breaks the UI for hierarchial Queues.
• is part of: MAPREDUCE-1110 Currently QueueManager API's return JobQueueInfo , instead it should return QueueInfo, similarly wher ever we are using JobQueueInfo as view , we should use QueueInfo