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HDFS-5513. CacheAdmin commands fail when using . as the path. Contributed by Andrew Wang. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1543670 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andrew Wang 2013-11-20 00:29:59 +00:00
parent 587f68b160
commit 00d9b8eedb
3 changed files with 14 additions and 9 deletions
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4
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -379,7 +379,9 @@ Trunk (Unreleased)
nextEntryId (cmccabe)
HDFS-5512. CacheAdmin -listPools fails with NPE when user lacks permissions
to view all pools (awang via cmccabe)
to view all pools (wang via cmccabe)
HDFS-5513. CacheAdmin commands fail when using . as the path. (wang)
Release 2.3.0 - UNRELEASED

6
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/PathBasedCacheDirective.java
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@ -17,8 +17,6 @@
*/
package org.apache.hadoop.hdfs.protocol;
import java.net.URI;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.hadoop.classification.InterfaceAudience;
@ -61,9 +59,7 @@ public class PathBasedCacheDirective {
*/
public Builder(PathBasedCacheDirective directive) {
this.id = directive.getId();
// deep-copy URI
URI uri = directive.getPath().toUri();
this.path = new Path(uri.getScheme(), uri.getAuthority(), uri.getPath());
this.path = directive.getPath();
this.replication = directive.getReplication();
this.pool = directive.getPool();
}

13
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestPathBasedCacheRequests.java
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@ -31,9 +31,8 @@ import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.nio.MappedByteBuffer;
import java.security.PrivilegedExceptionAction;
import java.nio.ByteBuffer;
import java.security.PrivilegedExceptionAction;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedList;
@ -59,7 +58,6 @@ import org.apache.hadoop.hdfs.protocol.CachePoolInfo;
import org.apache.hadoop.hdfs.protocol.PathBasedCacheDirective;
import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.CachedBlocksList.Type;
import org.apache.hadoop.hdfs.server.namenode.EditLogFileOutputStream;
import org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.MappableBlock;
import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols;
import org.apache.hadoop.io.nativeio.NativeIO;
import org.apache.hadoop.io.nativeio.NativeIO.POSIX.CacheManipulator;
@ -482,6 +480,15 @@ public class TestPathBasedCacheRequests {
dfs.removePathBasedCacheDirective(relativeId);
iter = dfs.listPathBasedCacheDirectives(null);
assertFalse(iter.hasNext());
// Verify that PBCDs with path "." work correctly
PathBasedCacheDirective directive =
new PathBasedCacheDirective.Builder().setPath(new Path("."))
.setPool("pool1").build();
long id = dfs.addPathBasedCacheDirective(directive);
dfs.modifyPathBasedCacheDirective(new PathBasedCacheDirective.Builder(
directive).setId(id).setReplication((short)2).build());
dfs.removePathBasedCacheDirective(id);
}
@Test(timeout=60000)