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MAPREDUCE-5355. MiniMRYarnCluster with localFs does not work on Windows. Contributed by Chuan Liu.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1499148 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Chris Nauroth 2013-07-02 23:19:36 +00:00
parent a52d85834d
commit f047f9cac6
2 changed files with 19 additions and 0 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -600,6 +600,9 @@ Release 2.1.0-beta - 2013-07-02
MAPREDUCE-5177. Use common utils FileUtil#setReadable/Writable/Executable &
FileUtil#canRead/Write/Execute. (Ivan Mitic via suresh)
MAPREDUCE-5355. MiniMRYarnCluster with localFs does not work on Windows.
(Chuan Liu via cnauroth)
MAPREDUCE-5291. Change MR App to use updated property names in
container-log4j.properties. (Zhijie Shen via sseth)

16
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/MiniMRYarnCluster.java
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@ -26,6 +26,7 @@
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.fs.FileContext;
import org.apache.hadoop.fs.LocalFileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapred.LocalContainerLauncher;
import org.apache.hadoop.mapred.ShuffleHandler;
@ -87,6 +88,21 @@ public void serviceInit(Configuration conf) throws Exception {
try {
Path stagingPath = FileContext.getFileContext(conf).makeQualified(
new Path(conf.get(MRJobConfig.MR_AM_STAGING_DIR)));
/*
* Re-configure the staging path on Windows if the file system is localFs.
* We need to use a absolute path that contains the drive letter. The unit
* test could run on a different drive than the AM. We can run into the
* issue that job files are localized to the drive where the test runs on,
* while the AM starts on a different drive and fails to find the job
* metafiles. Using absolute path can avoid this ambiguity.
*/
if (Path.WINDOWS) {
if (LocalFileSystem.class.isInstance(stagingPath.getFileSystem(conf))) {
conf.set(MRJobConfig.MR_AM_STAGING_DIR,
new File(conf.get(MRJobConfig.MR_AM_STAGING_DIR))
.getAbsolutePath());
}
}
FileContext fc=FileContext.getFileContext(stagingPath.toUri(), conf);
if (fc.util().exists(stagingPath)) {
LOG.info(stagingPath + " exists! deleting...");