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takeshi.miao commented on HBASE-10108: -------------------------------------- bq.-1 findbugs. The patch appears to introduce 2 new Findbugs (version 1.3.9) warnings not for this patch > 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 > Fix For: 0.99.0 > > 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} -- This message was sent by Atlassian JIRA (v6.1.4#6159)