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HDFS-5666. Fix inconsistent synchronization in BPOfferService (jxiang via cmccabe) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1551301 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Colin McCabe 2013-12-16 18:35:40 +00:00
parent 89a374afcb
commit 8e32e6aff1
2 changed files with 4 additions and 2 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -969,6 +969,8 @@ Release 2.3.0 - UNRELEASED
HDFS-4201. NPE in BPServiceActor#sendHeartBeat. (jxiang via cmccabe) HDFS-4201. NPE in BPServiceActor#sendHeartBeat. (jxiang via cmccabe)
HDFS-5666. Fix inconsistent synchronization in BPOfferService (jxiang via cmccabe)
Release 2.2.0 - 2013-10-13 Release 2.2.0 - 2013-10-13
INCOMPATIBLE CHANGES INCOMPATIBLE CHANGES

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPOfferService.java
View File

@ -148,7 +148,7 @@ class BPOfferService {
return false; return false;
} }
String getBlockPoolId() { synchronized String getBlockPoolId() {
if (bpNSInfo != null) { if (bpNSInfo != null) {
return bpNSInfo.getBlockPoolID(); return bpNSInfo.getBlockPoolID();
} else { } else {
@ -163,7 +163,7 @@ class BPOfferService {
} }
@Override @Override
public String toString() { public synchronized String toString() {
if (bpNSInfo == null) { if (bpNSInfo == null) {
// If we haven't yet connected to our NN, we don't yet know our // If we haven't yet connected to our NN, we don't yet know our
// own block pool ID. // own block pool ID.