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Posted to mapreduce-commits@hadoop.apache.org by bo...@apache.org on 2012/05/04 17:04:08 UTC

svn commit: r1334014 - in /hadoop/common/branches/branch-2/hadoop-mapreduce-project: ./ hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/ hadoop-mapreduce-client/hadoop-mapreduce-client-app/src...

Author: bobby
Date: Fri May  4 15:04:08 2012
New Revision: 1334014

URL: http://svn.apache.org/viewvc?rev=1334014&view=rev
Log:
svn merge -c 1334013 FIXES: MAPREDUCE-4048. NullPointerException exception while accessing the Application Master UI (Devaraj K via bobby)

Added:
    hadoop/common/branches/branch-2/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/webapp/TestAppController.java
      - copied unchanged from r1334013, hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/webapp/TestAppController.java
Modified:
    hadoop/common/branches/branch-2/hadoop-mapreduce-project/CHANGES.txt
    hadoop/common/branches/branch-2/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/AppController.java

Modified: hadoop/common/branches/branch-2/hadoop-mapreduce-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-mapreduce-project/CHANGES.txt?rev=1334014&r1=1334013&r2=1334014&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-mapreduce-project/CHANGES.txt (original)
+++ hadoop/common/branches/branch-2/hadoop-mapreduce-project/CHANGES.txt Fri May  4 15:04:08 2012
@@ -343,6 +343,9 @@ Release 0.23.3 - UNRELEASED
 
     MAPREDUCE-4163. consistently set the bind address (Daryn Sharp via bobby)
 
+    MAPREDUCE-4048. NullPointerException exception while accessing the
+    Application Master UI (Devaraj K via bobby)
+
 Release 0.23.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/branches/branch-2/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/AppController.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/AppController.java?rev=1334014&r1=1334013&r2=1334014&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/AppController.java (original)
+++ hadoop/common/branches/branch-2/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/AppController.java Fri May  4 15:04:08 2012
@@ -27,6 +27,8 @@ import java.util.Locale;
 import javax.servlet.http.HttpServletResponse;
 
 import org.apache.commons.lang.StringUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.mapreduce.JobACL;
 import org.apache.hadoop.mapreduce.v2.api.records.JobId;
@@ -47,6 +49,8 @@ import com.google.inject.Inject;
  * This class renders the various pages that the web app supports.
  */
 public class AppController extends Controller implements AMParams {
+  private static final Log LOG = LogFactory.getLog(AppController.class);
+  
   protected final App app;
   
   protected AppController(App app, Configuration conf, RequestContext ctx,
@@ -220,6 +224,8 @@ public class AppController extends Contr
             toString().toLowerCase(Locale.US));
         setTitle(join(tt, " Tasks for ", $(JOB_ID)));
       } catch (Exception e) {
+        LOG.error("Failed to render tasks page with task type : "
+            + $(TASK_TYPE) + " for job id : " + $(JOB_ID), e);
         badRequest(e.getMessage());
       }
     }
@@ -283,6 +289,8 @@ public class AppController extends Contr
 
         render(attemptsPage());
       } catch (Exception e) {
+        LOG.error("Failed to render attempts page with task type : "
+            + $(TASK_TYPE) + " for job id : " + $(JOB_ID), e);
         badRequest(e.getMessage());
       }
     }
@@ -316,7 +324,8 @@ public class AppController extends Contr
    */
   void badRequest(String s) {
     setStatus(HttpServletResponse.SC_BAD_REQUEST);
-    setTitle(join("Bad request: ", s));
+    String title = "Bad request: ";
+    setTitle((s != null) ? join(title, s) : title);
   }
 
   /**