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Aaron Kimball commented on MAPREDUCE-862: ----------------------------------------- -1. My jobtracker now fails to start with a NullPointerException: {code} 2009-09-17 10:45:46,121 INFO org.apache.hadoop.util.HostsFileReader: Refreshing hosts (include/exclude) list 2009-09-17 10:45:46,124 FATAL org.apache.hadoop.mapred.JobTracker: java.lang.NullPointerException »- at org.apache.hadoop.mapred.QueueManager.getQueueConfigurationParser(QueueManager.java:117) »- at org.apache.hadoop.mapred.QueueManager.<init>(QueueManager.java:137) »- at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:1315) »- at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:212) »- at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:204) »- at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:199) »- at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:3584) 2009-09-17 10:45:46,125 INFO org.apache.hadoop.mapred.JobTracker: SHUTDOWN_MSG: {code} This happens if {{conf/mapred-queues.xml}} does not exist. > Modify UI to support a hierarchy of queues > ------------------------------------------ > > Key: MAPREDUCE-862 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-862 > Project: Hadoop Map/Reduce > Issue Type: Sub-task > Reporter: Hemanth Yamijala > Assignee: V.V.Chaitanya Krishna > Fix For: 0.21.0 > > Attachments: clustersummarymodification.png, detailspage.png, > initialscreen.png, MAPREDUCE-862-1.patch, MAPREDUCE-862-2.patch, > MAPREDUCE-862-3.patch, MAPREDUCE-862-4.patch, MAPREDUCE-862-5.patch, > MAPREDUCE-862-6.patch, MAPREDUCE-862-7.patch, subqueue.png > > > MAPREDUCE-853 proposes to introduce a hierarchy of queues into the Map/Reduce > framework. This JIRA is for defining changes to the UI related to queues. > This includes the hadoop queue CLI and the web UI on the JobTracker. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.