Job tracker's ExpireTackers thread gets NullPointerException if a tasktracker
is lost.
--------------------------------------------------------------------------------------
Key: HADOOP-3403
URL: https://issues.apache.org/jira/browse/HADOOP-3403
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Affects Versions: 0.18.0
Reporter: Amareshwari Sriramadasu
Assignee: Amareshwari Sriramadasu
Fix For: 0.18.0
JobTracker's ExpireTrackers gets NullPOinterException, if a tasktracker is lost.
JobTracker's log shows the following:
2008-05-16 04:48:08,170 INFO org.apache.hadoop.mapred.JobTracker: Lost tracker
'tracker_XXXXX.com:XXXXX.com/98.136.100.125:58462'
2008-05-16 04:48:08,170 INFO org.apache.hadoop.mapred.TaskInProgress: Error
from attempt_200805160431_0001_m_000001_0: Lost task tracker:
tracker_XXXXX.com:XXXXX.com/98.136.100.125:58462
2008-05-16 04:48:08,171 ERROR org.apache.hadoop.mapred.JobTracker: Tracker
Expiry Thread got exception: java.lang.NullPointerException
at
org.apache.hadoop.mapred.JobInProgress.failedTask(JobInProgress.java:1489)
at
org.apache.hadoop.mapred.JobInProgress.updateTaskStatus(JobInProgress.java:537)
at
org.apache.hadoop.mapred.JobInProgress.failedTask(JobInProgress.java:1595)
at
org.apache.hadoop.mapred.JobTracker.lostTaskTracker(JobTracker.java:2079)
at
org.apache.hadoop.mapred.JobTracker$ExpireTrackers.run(JobTracker.java:301)
at java.lang.Thread.run(Thread.java:619)
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
