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Posted to common-commits@hadoop.apache.org by ka...@apache.org on 2014/12/03 22:48:48 UTC
hadoop git commit: YARN-2874. Dead lock in DelegationTokenRenewer
which blocks RM to execute any further apps. (Naganarasimha G R via kasha)
(cherry picked from commit 799353e2c7db5af6e40e3521439b5c8a3c5c6a51)
Repository: hadoop
Updated Branches:
refs/heads/branch-2 97b3e2b79 -> 25be97808
YARN-2874. Dead lock in DelegationTokenRenewer which blocks RM to execute any further apps. (Naganarasimha G R via kasha)
(cherry picked from commit 799353e2c7db5af6e40e3521439b5c8a3c5c6a51)
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/25be9780
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/25be9780
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/25be9780
Branch: refs/heads/branch-2
Commit: 25be97808b99148412c0efd4d87fc750db4d6607
Parents: 97b3e2b
Author: Karthik Kambatla <ka...@apache.org>
Authored: Wed Dec 3 13:44:41 2014 -0800
Committer: Karthik Kambatla <ka...@apache.org>
Committed: Wed Dec 3 13:45:03 2014 -0800
----------------------------------------------------------------------
hadoop-yarn-project/CHANGES.txt | 3 +++
.../security/DelegationTokenRenewer.java | 12 ++++++------
2 files changed, 9 insertions(+), 6 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/hadoop/blob/25be9780/hadoop-yarn-project/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index 8d66507..b67af7f 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -145,6 +145,9 @@ Release 2.7.0 - UNRELEASED
YARN-2894. Fixed a bug regarding application view acl when RM fails over.
(Rohith Sharmaks via jianhe)
+ YARN-2874. Dead lock in "DelegationTokenRenewer" which blocks RM to execute
+ any further apps. (Naganarasimha G R via kasha)
+
Release 2.6.0 - 2014-11-18
INCOMPATIBLE CHANGES
http://git-wip-us.apache.org/repos/asf/hadoop/blob/25be9780/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java
index 2dc331e..cca6e8d 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java
@@ -20,7 +20,6 @@ package org.apache.hadoop.yarn.server.resourcemanager.security;
import java.io.IOException;
import java.nio.ByteBuffer;
-import java.security.PrivilegedAction;
import java.security.PrivilegedExceptionAction;
import java.util.ArrayList;
import java.util.Collection;
@@ -39,6 +38,7 @@ import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
@@ -445,15 +445,15 @@ public class DelegationTokenRenewer extends AbstractService {
*/
private class RenewalTimerTask extends TimerTask {
private DelegationTokenToRenew dttr;
- private boolean cancelled = false;
+ private AtomicBoolean cancelled = new AtomicBoolean(false);
RenewalTimerTask(DelegationTokenToRenew t) {
dttr = t;
}
@Override
- public synchronized void run() {
- if (cancelled) {
+ public void run() {
+ if (cancelled.get()) {
return;
}
@@ -475,8 +475,8 @@ public class DelegationTokenRenewer extends AbstractService {
}
@Override
- public synchronized boolean cancel() {
- cancelled = true;
+ public boolean cancel() {
+ cancelled.set(true);
return super.cancel();
}
}