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Posted to issues@hbase.apache.org by "takeshi.miao (JIRA)" <ji...@apache.org> on 2013/12/09 07:23:13 UTC
[jira] [Updated] (HBASE-10108) NullPointerException thrown while
use Canary with '-regionserver' option
[ https://issues.apache.org/jira/browse/HBASE-10108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
takeshi.miao updated HBASE-10108:
---------------------------------
Attachment: HBASE-10108-trunk-01.patch
add patch-v1 for trunk
> 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
> Attachments: HBASE-10108-trunk-01.patch
>
>
> 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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