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HDFS-5251. Race between the initialization of NameNode and the http server. Contributed by Haohui Mai. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1525787 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Suresh Srinivas 2013-09-24 05:31:02 +00:00
parent e3088e4aef
commit b838ac89a6
3 changed files with 19 additions and 2 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -327,6 +327,9 @@ Release 2.2.0 - UNRELEASED
HDFS-5139. Remove redundant -R option from setrep.
HDFS-5251. Race between the initialization of NameNode and the http
server. (Haohui Mai via suresh)
Release 2.1.1-beta - 2013-09-23
INCOMPATIBLE CHANGES

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeJspHelper.java
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@ -101,6 +101,10 @@ class NamenodeJspHelper {
}
static String getRollingUpgradeText(FSNamesystem fsn) {
if (fsn == null) {
return "";
}
DatanodeManager dm = fsn.getBlockManager().getDatanodeManager();
Map<String, Integer> list = dm.getDatanodesSoftwareVersions();
if(list.size() > 1) {

14
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeJspHelper.java
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@ -18,8 +18,13 @@
package org.apache.hadoop.hdfs.server.namenode;
import static org.apache.hadoop.hdfs.server.namenode.startupprogress.Phase.*;
import static org.mockito.Mockito.*;
import static org.apache.hadoop.hdfs.server.namenode.startupprogress.Phase.LOADING_EDITS;
import static org.apache.hadoop.hdfs.server.namenode.startupprogress.Phase.LOADING_FSIMAGE;
import static org.apache.hadoop.hdfs.server.namenode.startupprogress.Phase.SAFEMODE;
import static org.apache.hadoop.hdfs.server.namenode.startupprogress.Phase.SAVING_CHECKPOINT;
import static org.mockito.Mockito.atLeastOnce;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import java.io.IOException;
import java.util.List;
@ -107,6 +112,11 @@ public class TestNameNodeJspHelper {
Assert.assertTrue(containsMatch(contents, SAFEMODE.getDescription()));
}
@Test
public void testGetRollingUpgradeText() {
Assert.assertEquals("", NamenodeJspHelper.getRollingUpgradeText(null));
}
/**
* Checks if the list contains any string that partially matches the regex.
*