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HBASE-8582 Possible NullPointerException in ZKInterProcessLockBase#visitLocks (Ted Yu) 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1484643 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Zhihong Yu 2013-05-21 01:59:44 +00:00
parent 21735dde20
commit 634f63ef3c
1 changed files with 1 additions and 1 deletions
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2
hbase-server/src/main/java/org/apache/hadoop/hbase/zookeeper/lock/ZKInterProcessLockBase.java
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@ -423,7 +423,7 @@ public abstract class ZKInterProcessLockBase implements InterProcessLock {
LOG.error("Unexpected ZooKeeper error when listing children", e); LOG.error("Unexpected ZooKeeper error when listing children", e);
throw new IOException("Unexpected ZooKeeper exception", e); throw new IOException("Unexpected ZooKeeper exception", e);
} }
if (children.size() > 0) { if (children != null && children.size() > 0) {
for (String child : children) { for (String child : children) {
if (isChildOfSameType(child)) { if (isChildOfSameType(child)) {
String znode = ZKUtil.joinZNode(parentLockNode, child); String znode = ZKUtil.joinZNode(parentLockNode, child);