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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2013/05/21 02:21:16 UTC
[jira] [Created] (HBASE-8582) Possible NullPointerException in
ZKInterProcessLockBase#visitLocks
Ted Yu created HBASE-8582:
-----------------------------
Summary: Possible NullPointerException in ZKInterProcessLockBase#visitLocks
Key: HBASE-8582
URL: https://issues.apache.org/jira/browse/HBASE-8582
Project: HBase
Issue Type: Bug
Reporter: Ted Yu
Attachments: 8582-v1.txt
Running test suite on hadoop 2.0 I saw the following test failure:
{code}
testErrorReporter(org.apache.hadoop.hbase.util.TestHBaseFsck) Time elapsed: 0.003 sec <<< ERROR!
java.lang.NullPointerException
at org.apache.hadoop.hbase.zookeeper.lock.ZKInterProcessLockBase.visitLocks(ZKInterProcessLockBase.java:426)
at org.apache.hadoop.hbase.master.TableLockManager$ZKTableLockManager.visitAllLocks(TableLockManager.java:386)
at org.apache.hadoop.hbase.util.hbck.TableLockChecker.checkTableLocks(TableLockChecker.java:76)
at org.apache.hadoop.hbase.util.HBaseFsck.checkAndFixTableLocks(HBaseFsck.java:2480)
at org.apache.hadoop.hbase.util.HBaseFsck.onlineHbck(HBaseFsck.java:460)
at org.apache.hadoop.hbase.util.hbck.HbckTestingUtil.doFsck(HbckTestingUtil.java:65)
at org.apache.hadoop.hbase.util.hbck.HbckTestingUtil.doFsck(HbckTestingUtil.java:41)
at org.apache.hadoop.hbase.util.hbck.HbckTestingUtil.doFsck(HbckTestingUtil.java:36)
at org.apache.hadoop.hbase.util.TestHBaseFsck.testErrorReporter(TestHBaseFsck.java:1868)
{code}
Here is related code:
{code}
public void visitLocks(MetadataHandler handler) throws IOException {
List<String> children;
try {
children = ZKUtil.listChildrenNoWatch(zkWatcher, parentLockNode);
{code}
Looks like children was null.
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