Apache
/
hadoop
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

MAPREDUCE-4279. getClusterStatus() fails with null pointer exception when running jobs in local mode (Devaraj K via bobby) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1428482 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Joseph Evans 2013-01-03 17:09:18 +00:00
parent 8cd026d365
commit e229e25cc3
3 changed files with 51 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
hadoop-mapreduce-project/CHANGES.txt
View File

@ -656,6 +656,9 @@ Release 0.23.6 - UNRELEASED
MAPREDUCE-4813. AM timing out during job commit (jlowe via bobby)
MAPREDUCE-4279. getClusterStatus() fails with null pointer exception when
running jobs in local mode (Devaraj K via bobby)
Release 0.23.5 - UNRELEASED
INCOMPATIBLE CHANGES

5
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapred/LocalJobRunner.java
View File

@ -67,7 +67,6 @@ import com.google.common.util.concurrent.ThreadFactoryBuilder;
/** Implements MapReduce locally, in-process, for debugging. */
@InterfaceAudience.Private
@InterfaceStability.Unstable
@SuppressWarnings("deprecation")
public class LocalJobRunner implements ClientProtocol {
public static final Log LOG =
LogFactory.getLog(LocalJobRunner.class);
@ -686,7 +685,7 @@ public class LocalJobRunner implements ClientProtocol {
*/
public TaskTrackerInfo[] getActiveTrackers()
throws IOException, InterruptedException {
return null;
return new TaskTrackerInfo[0];
}
/**
@ -695,7 +694,7 @@ public class LocalJobRunner implements ClientProtocol {
*/
public TaskTrackerInfo[] getBlacklistedTrackers()
throws IOException, InterruptedException {
return null;
return new TaskTrackerInfo[0];
}
public TaskCompletionEvent[] getTaskCompletionEvents(

46
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/test/java/org/apache/hadoop/mapred/TestJobClient.java Normal file
View File

@ -0,0 +1,46 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.mapred;
import java.util.Collection;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapred.ClusterStatus.BlackListInfo;
import org.apache.hadoop.mapreduce.MRConfig;
import org.apache.hadoop.mapreduce.server.jobtracker.JTConfig;
import org.junit.Assert;
import org.junit.Test;
public class TestJobClient {
@Test
public void testGetClusterStatusWithLocalJobRunner() throws Exception {
Configuration conf = new Configuration();
conf.set(JTConfig.JT_IPC_ADDRESS, MRConfig.LOCAL_FRAMEWORK_NAME);
conf.set(MRConfig.FRAMEWORK_NAME, MRConfig.LOCAL_FRAMEWORK_NAME);
JobClient client = new JobClient(conf);
ClusterStatus clusterStatus = client.getClusterStatus(true);
Collection<String> activeTrackerNames = clusterStatus
.getActiveTrackerNames();
Assert.assertEquals(0, activeTrackerNames.size());
int blacklistedTrackers = clusterStatus.getBlacklistedTrackers();
Assert.assertEquals(0, blacklistedTrackers);
Collection<BlackListInfo> blackListedTrackersInfo = clusterStatus
.getBlackListedTrackersInfo();
Assert.assertEquals(0, blackListedTrackersInfo.size());
}
}