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From Jeff Whiting <je...@qualtrics.com>
Subject NPE in log cleaner
Date Tue, 26 Mar 2013 16:57:34 GMT
We are seeing a lot of these NPE once we enabled replication.

HBase Version:
0.92.1-cdh4.0.1

2013-03-25 15:29:25,027 ERROR org.apache.hadoop.hbase.master.LogCleaner:
Caught exception
java.lang.NullPointerException
    at
org.apache.hadoop.hbase.replication.ReplicationZookeeper.getListOfReplicators(ReplicationZookeeper.java:503)
    at
org.apache.hadoop.hbase.replication.master.ReplicationLogCleaner.refreshHLogsAndSearch(ReplicationLogCleaner.java:96)
    at
org.apache.hadoop.hbase.replication.master.ReplicationLogCleaner.isLogDeletable(ReplicationLogCleaner.java:83)
    at org.apache.hadoop.hbase.master.LogCleaner.chore(LogCleaner.java:133)
    at org.apache.hadoop.hbase.Chore.run(Chore.java:67)
    at org.apache.hadoop.hbase.master.LogCleaner.run(LogCleaner.java:155)
    at java.lang.Thread.run(Thread.java:662)

Any ideas as to what is going on?  Seems like we should never be getting a
NPE.

~Jeff


-- 
Jeff Whiting
Qualtrics Senior Software Engineer
jeffw@qualtrics.com

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