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HDFS-5830. WebHdfsFileSystem.getFileBlockLocations throws IllegalArgumentException when accessing another cluster. (Yongjun Zhang via Colin Patrick McCabe) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1561885 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Colin McCabe 2014-01-27 22:19:30 +00:00
parent 6016d7d4da
commit 07c004db06
3 changed files with 20 additions and 3 deletions
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4
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -1151,6 +1151,10 @@ Release 2.3.0 - UNRELEASED
HDFS-5297. Fix dead links in HDFS site documents. (Akira Ajisaka via
Arpit Agarwal)
HDFS-5830. WebHdfsFileSystem.getFileBlockLocations throws
IllegalArgumentException when accessing another cluster. (Yongjun Zhang via
Colin Patrick McCabe)
Release 2.2.0 - 2013-10-13
INCOMPATIBLE CHANGES

5
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/LocatedBlock.java
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@ -98,9 +98,8 @@ public class LocatedBlock {
}
this.storageIDs = storageIDs;
this.storageTypes = storageTypes;
Preconditions.checkArgument(cachedLocs != null,
"cachedLocs should not be null, use a different constructor");
if (cachedLocs.length == 0) {
if (cachedLocs == null || cachedLocs.length == 0) {
this.cachedLocs = EMPTY_LOCS;
} else {
this.cachedLocs = cachedLocs;

14
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUtil.java
View File

@ -118,6 +118,20 @@ public class TestDFSUtil {
assertEquals(0, bs.length);
}
/**
* Test constructing LocatedBlock with null cachedLocs
*/
@Test
public void testLocatedBlockConstructorWithNullCachedLocs() {
DatanodeInfo d = DFSTestUtil.getLocalDatanodeInfo();
DatanodeInfo[] ds = new DatanodeInfo[1];
ds[0] = d;
ExtendedBlock b1 = new ExtendedBlock("bpid", 1, 1, 1);
LocatedBlock l1 = new LocatedBlock(b1, ds, null, null, 0, false, null);
final DatanodeInfo[] cachedLocs = l1.getCachedLocations();
assertTrue(cachedLocs.length == 0);
}
private Configuration setupAddress(String key) {
HdfsConfiguration conf = new HdfsConfiguration();