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MAPREDUCE-4068. Jars in lib subdirectory of the submittable JAR are not added to the classpath (rkanter via tucu) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1376253 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Alejandro Abdelnur 2012-08-22 21:18:34 +00:00
parent d66223fd99
commit dc33a0765c
6 changed files with 95 additions and 14 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -173,6 +173,9 @@ Branch-2 ( Unreleased changes )
for compatibility reasons is creating incorrect counter name.
(Jarek Jarcec Cecho via tomwhite)
MAPREDUCE-4068. Jars in lib subdirectory of the submittable JAR are not added to the
classpath (rkanter via tucu)
Release 2.1.0-alpha - Unreleased
INCOMPATIBLE CHANGES

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TaskAttemptImpl.java
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@ -608,7 +608,7 @@ public abstract class TaskAttemptImpl implements
localResources.put(
MRJobConfig.JOB_JAR,
createLocalResource(remoteFS, remoteJobJar,
LocalResourceType.FILE, LocalResourceVisibility.APPLICATION));
LocalResourceType.ARCHIVE, LocalResourceVisibility.APPLICATION));
LOG.info("The job-jar file on the remote FS is "
+ remoteJobJar.toUri().toASCIIString());
} else {

10
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/util/MRApps.java
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@ -204,7 +204,15 @@ public class MRApps extends Apps {
Apps.addToEnvironment(
environment,
Environment.CLASSPATH.name(),
MRJobConfig.JOB_JAR);
MRJobConfig.JOB_JAR + Path.SEPARATOR);
Apps.addToEnvironment(
environment,
Environment.CLASSPATH.name(),
MRJobConfig.JOB_JAR + Path.SEPARATOR + "classes" + Path.SEPARATOR);
Apps.addToEnvironment(
environment,
Environment.CLASSPATH.name(),
MRJobConfig.JOB_JAR + Path.SEPARATOR + "lib" + Path.SEPARATOR + "*");
Apps.addToEnvironment(
environment,
Environment.CLASSPATH.name(),

8
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/test/java/org/apache/hadoop/mapreduce/v2/util/TestMRApps.java
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@ -158,7 +158,7 @@ public class TestMRApps {
}
String env_str = env.get("CLASSPATH");
assertSame("MAPREDUCE_JOB_USER_CLASSPATH_FIRST set, but not taking effect!",
env_str.indexOf("$PWD:job.jar"), 0);
env_str.indexOf("$PWD:job.jar/:job.jar/classes/:job.jar/lib/*:$PWD/*"), 0);
}
@Test public void testSetClasspathWithNoUserPrecendence() {
@ -171,8 +171,12 @@ public class TestMRApps {
fail("Got exception while setting classpath");
}
String env_str = env.get("CLASSPATH");
int index =
env_str.indexOf("job.jar/:job.jar/classes/:job.jar/lib/*:$PWD/*");
assertNotSame("MAPREDUCE_JOB_USER_CLASSPATH_FIRST false, and job.jar is not"
+ " in the classpath!", index, -1);
assertNotSame("MAPREDUCE_JOB_USER_CLASSPATH_FIRST false, but taking effect!",
env_str.indexOf("$PWD:job.jar"), 0);
index, 0);
}
@Test

11
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/YARNRunner.java
View File

@ -304,7 +304,7 @@ public class YARNRunner implements ClientProtocol {
return clientCache.getClient(jobId).getJobStatus(jobId);
}
private LocalResource createApplicationResource(FileContext fs, Path p)
private LocalResource createApplicationResource(FileContext fs, Path p, LocalResourceType type)
throws IOException {
LocalResource rsrc = recordFactory.newRecordInstance(LocalResource.class);
FileStatus rsrcStat = fs.getFileStatus(p);
@ -312,7 +312,7 @@ public class YARNRunner implements ClientProtocol {
.getDefaultFileSystem().resolvePath(rsrcStat.getPath())));
rsrc.setSize(rsrcStat.getLen());
rsrc.setTimestamp(rsrcStat.getModificationTime());
rsrc.setType(LocalResourceType.FILE);
rsrc.setType(type);
rsrc.setVisibility(LocalResourceVisibility.APPLICATION);
return rsrc;
}
@ -343,11 +343,12 @@ public class YARNRunner implements ClientProtocol {
localResources.put(MRJobConfig.JOB_CONF_FILE,
createApplicationResource(defaultFileContext,
jobConfPath));
jobConfPath, LocalResourceType.FILE));
if (jobConf.get(MRJobConfig.JAR) != null) {
localResources.put(MRJobConfig.JOB_JAR,
createApplicationResource(defaultFileContext,
new Path(jobSubmitDir, MRJobConfig.JOB_JAR)));
new Path(jobSubmitDir, MRJobConfig.JOB_JAR),
LocalResourceType.ARCHIVE));
} else {
// Job jar may be null. For e.g, for pipes, the job jar is the hadoop
// mapreduce jar itself which is already on the classpath.
@ -363,7 +364,7 @@ public class YARNRunner implements ClientProtocol {
localResources.put(
MRJobConfig.JOB_SUBMIT_DIR + "/" + s,
createApplicationResource(defaultFileContext,
new Path(jobSubmitDir, s)));
new Path(jobSubmitDir, s), LocalResourceType.FILE));
}
// Setup security tokens

75
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobs.java
View File

@ -19,6 +19,7 @@
package org.apache.hadoop.mapreduce.v2;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
@ -26,6 +27,7 @@ import java.net.URI;
import java.security.PrivilegedExceptionAction;
import java.util.jar.JarOutputStream;
import java.util.zip.ZipEntry;
import org.apache.commons.io.FileUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@ -66,6 +68,7 @@ import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenIdentifier;
import org.apache.hadoop.util.JarFinder;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.junit.AfterClass;
import org.junit.Assert;
@ -402,13 +405,14 @@ public class TestMRJobs {
Path[] archives = context.getLocalCacheArchives();
FileSystem fs = LocalFileSystem.get(conf);
// Check that 3(2+ appjar) files and 2 archives are present
Assert.assertEquals(3, files.length);
// Check that 4 (2 + appjar + DistrubutedCacheChecker jar) files
// and 2 archives are present
Assert.assertEquals(4, files.length);
Assert.assertEquals(2, archives.length);
// Check lengths of the files
Assert.assertEquals(1, fs.getFileStatus(files[0]).getLen());
Assert.assertTrue(fs.getFileStatus(files[1]).getLen() > 1);
Assert.assertEquals(1, fs.getFileStatus(files[1]).getLen());
Assert.assertTrue(fs.getFileStatus(files[2]).getLen() > 1);
// Check extraction of the archive
Assert.assertTrue(fs.exists(new Path(archives[0],
@ -424,11 +428,23 @@ public class TestMRJobs {
Assert.assertNotNull(cl.getResource("distributed.jar.inside2"));
Assert.assertNotNull(cl.getResource("distributed.jar.inside3"));
Assert.assertNotNull(cl.getResource("distributed.jar.inside4"));
// The Job Jar should have been extracted to a folder named "job.jar" and
// added to the classpath; the two jar files in the lib folder in the Job
// Jar should have also been added to the classpath
Assert.assertNotNull(cl.getResource("job.jar/"));
Assert.assertNotNull(cl.getResource("job.jar/lib/lib1.jar"));
Assert.assertNotNull(cl.getResource("job.jar/lib/lib2.jar"));
// Check that the symlink for the renaming was created in the cwd;
File symlinkFile = new File("distributed.first.symlink");
Assert.assertTrue(symlinkFile.exists());
Assert.assertEquals(1, symlinkFile.length());
// Check that the symlink for the Job Jar was created in the cwd and
// points to the extracted directory
File jobJarDir = new File("job.jar");
Assert.assertTrue(FileUtils.isSymlink(jobJarDir));
Assert.assertTrue(jobJarDir.isDirectory());
}
}
@ -451,7 +467,15 @@ public class TestMRJobs {
makeJar(new Path(TEST_ROOT_DIR, "distributed.fourth.jar"), 4);
Job job = Job.getInstance(mrCluster.getConfig());
job.setJarByClass(DistributedCacheChecker.class);
// Set the job jar to a new "dummy" jar so we can check that its extracted
// properly
job.setJar(makeJobJarWithLib(TEST_ROOT_DIR.toUri().toString()));
// Because the job jar is a "dummy" jar, we need to include the jar with
// DistributedCacheChecker or it won't be able to find it
job.addFileToClassPath(new Path(
JarFinder.getJar(DistributedCacheChecker.class)));
job.setMapperClass(DistributedCacheChecker.class);
job.setOutputFormatClass(NullOutputFormat.class);
@ -497,4 +521,45 @@ public class TestMRJobs {
localFs.setPermission(p, new FsPermission("700"));
return p;
}
private String makeJobJarWithLib(String testDir) throws FileNotFoundException,
IOException{
Path jobJarPath = new Path(testDir, "thejob.jar");
FileOutputStream fos =
new FileOutputStream(new File(jobJarPath.toUri().getPath()));
JarOutputStream jos = new JarOutputStream(fos);
// Have to put in real jar files or it will complain
createAndAddJarToJar(jos, new File(
new Path(testDir, "lib1.jar").toUri().getPath()));
createAndAddJarToJar(jos, new File(
new Path(testDir, "lib2.jar").toUri().getPath()));
jos.close();
localFs.setPermission(jobJarPath, new FsPermission("700"));
return jobJarPath.toUri().toString();
}
private void createAndAddJarToJar(JarOutputStream jos, File jarFile)
throws FileNotFoundException, IOException {
FileOutputStream fos2 = new FileOutputStream(jarFile);
JarOutputStream jos2 = new JarOutputStream(fos2);
// Have to have at least one entry or it will complain
ZipEntry ze = new ZipEntry("lib1.inside");
jos2.putNextEntry(ze);
jos2.closeEntry();
jos2.close();
ze = new ZipEntry("lib/" + jarFile.getName());
jos.putNextEntry(ze);
FileInputStream in = new FileInputStream(jarFile);
byte buf[] = new byte[1024];
int numRead;
do {
numRead = in.read(buf);
if (numRead >= 0) {
jos.write(buf, 0, numRead);
}
} while (numRead != -1);
in.close();
jos.closeEntry();
jarFile.delete();
}
}