svn commit: r604451 - in /lucene/hadoop/trunk: CHANGES.txt src/java/org/apache/hadoop/mapred/JobTracker.java

[dd...@apache.org]

Author: ddas
Date: Sat Dec 15 08:45:03 2007
New Revision: 604451

URL: http://svn.apache.org/viewvc?rev=604451&view=rev
Log:
HADOOP-2228.  Checks whether a job with a certain jobId is already running and then tries to create the JobInProgress object. Contributed by Johan Oskarsson.

Modified:
    lucene/hadoop/trunk/CHANGES.txt
    lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java

Modified: lucene/hadoop/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/CHANGES.txt?rev=604451&r1=604450&r2=604451&view=diff
==============================================================================
--- lucene/hadoop/trunk/CHANGES.txt (original)
+++ lucene/hadoop/trunk/CHANGES.txt Sat Dec 15 08:45:03 2007
@@ -263,6 +263,10 @@
     HADOOP-2378.  Fixes a problem where the last task completion event would
     get created after the job completes. (Alejandro Abdelnur via ddas)
 
+    HADOOP-2228.  Checks whether a job with a certain jobId is already running
+    and then tries to create the JobInProgress object. 
+    (Johan Oskarsson via ddas)
+
   IMPROVEMENTS
 
     HADOOP-2160.  Remove project-level, non-user documentation from

Modified: lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java?rev=604451&r1=604450&r2=604451&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 Sat Dec 15 08:45:03 2007
@@ -1531,10 +1531,15 @@
    * asynchronously to handle split-computation and build up
    * the right TaskTracker/Block mapping.
    */
-  public synchronized JobStatus submitJob(String jobFile) throws IOException {
+  public synchronized JobStatus submitJob(String jobId) throws IOException {
     ensureRunning();
+    if(jobs.containsKey(jobId)) {
+      //job already running, don't start twice
+      return jobs.get(jobId).getStatus();
+    }
+    
     totalSubmissions++;
-    JobInProgress job = new JobInProgress(jobFile, this, this.conf);
+    JobInProgress job = new JobInProgress(jobId, this, this.conf);
     synchronized (jobs) {
       synchronized (jobsByPriority) {
         synchronized (jobInitQueue) {