Author: jlowe
Date: Thu Sep 26 21:25:49 2013
New Revision: 1526707

URL: http://svn.apache.org/r1526707
Log:
svn merge -c 1526688 FIXES: MAPREDUCE-5513. ConcurrentModificationException in 
JobControl. Contributed by Robert Parker

Modified:
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
    
hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/jobcontrol/JobControl.java

Modified: 
hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt?rev=1526707&r1=1526706&r2=1526707&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt 
(original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt Thu 
Sep 26 21:25:49 2013
@@ -46,6 +46,9 @@ Release 0.23.10 - UNRELEASED
     MAPREDUCE-5543. In-memory map outputs can be leaked after shuffle completes
     in 0.23 (Jason Lowe via jeagles)
 
+    MAPREDUCE-5513. ConcurrentModificationException in JobControl (Robert
+    Parker via jlowe)
+
 Release 0.23.9 - 2013-07-08
 
   INCOMPATIBLE CHANGES

Modified: 
hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/jobcontrol/JobControl.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/jobcontrol/JobControl.java?rev=1526707&r1=1526706&r2=1526707&view=diff
==============================================================================
--- 
hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/jobcontrol/JobControl.java
 (original)
+++ 
hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/jobcontrol/JobControl.java
 Thu Sep 26 21:25:49 2013
@@ -76,13 +76,11 @@ public class JobControl implements Runna
     this.runnerState = ThreadState.READY;
   }
        
-  private static List<ControlledJob> toList(
+  synchronized private static List<ControlledJob> toList(
                    LinkedList<ControlledJob> jobs) {
     ArrayList<ControlledJob> retv = new ArrayList<ControlledJob>();
-    synchronized (jobs) {
-      for (ControlledJob job : jobs) {
-        retv.add(job);
-      }
+    for (ControlledJob job : jobs) {
+      retv.add(job);
     }
     return retv;
   }


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