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Posted to dev@hbase.apache.org by "takeshi.miao (JIRA)" <ji...@apache.org> on 2013/12/09 07:17:07 UTC
[jira] [Created] (HBASE-10108) NullPointerException thrown while
use Canary with '-regionserver' option
takeshi.miao created HBASE-10108:
------------------------------------
Summary: NullPointerException thrown while use Canary with '-regionserver' option
Key: HBASE-10108
URL: https://issues.apache.org/jira/browse/HBASE-10108
Project: HBase
Issue Type: Bug
Components: monitoring
Affects Versions: 0.99.0
Reporter: takeshi.miao
Priority: Minor
The NullPointerException will be thrown while using following command
{code}
HADOOP_CLASSPATH="`bin/hbase classpath`" hadoop org.apache.hadoop.hbase.tool.Canary -regionserver
{code}
The error msg as follows
{code}
...
13/12/09 05:17:02 INFO zookeeper.ClientCnxn: Session establishment complete on server scottm-hbase-1.lab/10.1.145.175:2181, sessionid = 0x142d5c52b030015, negotiated timeout = 90000
Exception in thread "Thread-1" java.lang.NullPointerException
at org.apache.hadoop.hbase.tool.Canary$RegionServerMonitor.checkNoTableNames(Canary.java:564)
at org.apache.hadoop.hbase.tool.Canary$RegionServerMonitor.run(Canary.java:545)
at java.lang.Thread.run(Thread.java:662)
{code}
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