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From vino...@apache.org
Subject svn commit: r1179975 - in /hadoop/common/trunk/hadoop-mapreduce-project: CHANGES.txt hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
Date Fri, 07 Oct 2011 09:17:57 GMT
Author: vinodkv
Date: Fri Oct  7 09:17:57 2011
New Revision: 1179975

URL: http://svn.apache.org/viewvc?rev=1179975&view=rev
Log:
MAPREDUCE-2783. Fixing RM web-UI to show no tracking-URL when AM crashes. Contributed by Eric
Payne.

Modified:
    hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
    hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java

Modified: hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt?rev=1179975&r1=1179974&r2=1179975&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt Fri Oct  7 09:17:57 2011
@@ -1534,6 +1534,9 @@ Release 0.23.0 - Unreleased
     MAPREDUCE-2794. [MR-279] Incorrect metrics value for AvailableGB per 
     queue per user. (John George via mahadev)
 
+    MAPREDUCE-2783. Fixing RM web-UI to show no tracking-URL when AM
+    crashes. (Eric Payne via vinodkv)
+
 Release 0.22.0 - Unreleased
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java?rev=1179975&r1=1179974&r2=1179975&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
(original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
Fri Oct  7 09:17:57 2011
@@ -777,6 +777,15 @@ public class RMAppAttemptImpl implements
             " due to: " +  containerStatus.getDiagnostics() + "." +
             "Failing this attempt.");
 
+        /*
+         * In the case when the AM dies, the trackingUrl is left pointing to the AM's
+         * URL, which shows up in the scheduler UI as a broken link. Setting it here
+         * to empty string will prevent any link from being displayed.
+         * NOTE: don't set trackingUrl to 'null'. That will cause null-pointer exceptions
+         * in the generated proto code.
+         */
+        appAttempt.trackingUrl = "";
+
         new FinalTransition(RMAppAttemptState.FAILED).transition(
             appAttempt, containerFinishedEvent);
         return RMAppAttemptState.FAILED;



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