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Posted to common-commits@hadoop.apache.org by cu...@apache.org on 2006/03/06 20:09:46 UTC
svn commit: r383626 -
/lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java
Author: cutting
Date: Mon Mar 6 11:09:44 2006
New Revision: 383626
URL: http://svn.apache.org/viewcvs?rev=383626&view=rev
Log:
Replace an NPE with an informative warning.
Modified:
lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java
Modified: lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java
URL: http://svn.apache.org/viewcvs/lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java?rev=383626&r1=383625&r2=383626&view=diff
==============================================================================
--- lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java (original)
+++ lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java Mon Mar 6 11:09:44 2006
@@ -551,6 +551,11 @@
// Get map + reduce counts for the current tracker.
//
TaskTrackerStatus tts = (TaskTrackerStatus) taskTrackers.get(taskTracker);
+ if (tts == null) {
+ LOG.warning("Unknown task tracker polling; ignoring: " + taskTracker);
+ return null;
+ }
+
int numMaps = tts.countMapTasks();
int numReduces = tts.countReduceTasks();