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MAPREDUCE-5001. LocalJobRunner has race condition resulting in job failures. Contributed by Sandy Ryza 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1515863 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jason Darrell Lowe 2013-08-20 16:41:16 +00:00
parent f6a1f4d1e0
commit f7ca7ec4c9
2 changed files with 19 additions and 1 deletions
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6
hadoop-mapreduce-project/CHANGES.txt
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@ -223,6 +223,9 @@ Release 2.1.1-beta - UNRELEASED
MAPREDUCE-5454. TestDFSIO fails intermittently on JDK7 (Karthik Kambatla
via Sandy Ryza)
MAPREDUCE-5001. LocalJobRunner has race condition resulting in job
failures (Sandy Ryza via jlowe)
Release 2.1.0-beta - 2013-08-22
INCOMPATIBLE CHANGES
@ -1298,6 +1301,9 @@ Release 0.23.10 - UNRELEASED
MAPREDUCE-5440. TestCopyCommitter Fails on JDK7 (Robert Parker via jlowe)
MAPREDUCE-5001. LocalJobRunner has race condition resulting in job
failures (Sandy Ryza via jlowe)
Release 0.23.9 - 2013-07-08
INCOMPATIBLE CHANGES

14
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/Cluster.java
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@ -18,6 +18,7 @@
package org.apache.hadoop.mapreduce;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.security.PrivilegedExceptionAction;
@ -181,7 +182,18 @@ public class Cluster {
public Job getJob(JobID jobId) throws IOException, InterruptedException {
JobStatus status = client.getJobStatus(jobId);
if (status != null) {
return Job.getInstance(this, status, new JobConf(status.getJobFile()));
JobConf conf;
try {
conf = new JobConf(status.getJobFile());
} catch (RuntimeException ex) {
// If job file doesn't exist it means we can't find the job
if (ex.getCause() instanceof FileNotFoundException) {
return null;
} else {
throw ex;
}
}
return Job.getInstance(this, status, conf);
}
return null;
}