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From Sebastian Bauer <ad...@ugame.net.pl>
Subject Re: NPE after restarting
Date Sat, 23 Oct 2010 21:20:11 GMT
../hadoop/bin/hadoop fs -cat /hbase/hbase.version
7

hbase revision:
1026606

W dniu 23.10.2010 23:12, Sebastian Bauer pisze:
> This happen again, i cannot start hbase so any log data need to be get
> from hadoop
>
> W dniu 23.10.2010 22:17, Stack pisze:
>> If you restart master again, still NPE?  What version of hbase?  So,
>> your meta has an empty info:regioninfo cell.  When you do ./bin/hbase,
>> is there an hbck to run?  If so, run it and what does it report?
>> StAck
>>
>> On Sat, Oct 23, 2010 at 11:21 AM, Sebastian Bauer <admin@ugame.net.pl> wrote:
>>> Today i found this problem after restarting hbase:
>>>
>>>
>>> 2010-10-23 20:16:17,882 DEBUG
>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation:
>>> Lookedup root region location,
>>> connection=org.apache.hadoop.hbase.client.HConnectionManager$HConnectionIm
>>> 2010-10-23 20:16:17,890 DEBUG
>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation:
>>> Cached location for .META.,,1.1028785192 is
>>> db2a.goldenline.pl:60020
>>> 2010-10-23 20:16:18,432 FATAL org.apache.hadoop.hbase.master.HMaster:
>>> Unhandled exception. Starting
>>> shutdown.
>>>
>>> java.lang.NullPointerException
>>>
>>>        at
>>> org.apache.hadoop.hbase.util.Writables.getWritable(Writables.java:75)
>>>
>>>        at
>>> org.apache.hadoop.hbase.util.Writables.getHRegionInfo(Writables.java:119)
>>>
>>>        at
>>> org.apache.hadoop.hbase.client.MetaScanner$1.processRow(MetaScanner.java:188)
>>>
>>>        at
>>> org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:157)
>>>
>>>        at
>>> org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:69)
>>>
>>>        at
>>> org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:54)
>>>
>>>        at
>>> org.apache.hadoop.hbase.client.MetaScanner.listAllRegions(MetaScanner.java:195)
>>>
>>>        at
>>> org.apache.hadoop.hbase.master.AssignmentManager.assignAllUserRegions(AssignmentManager.java:1048)
>>>
>>>        at
>>> org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:379)
>>>
>>>        at
>>> org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:265)
>>>
>>> 2010-10-23 20:16:18,433 INFO org.apache.hadoop.hbase.master.HMaster:
>>> Aborting
>>>
>>> 2010-10-23 20:16:18,433 DEBUG org.apache.hadoop.hbase.master.HMaster:
>>> Stopping service threads
>>>
>


-- 

Pozdrawiam
Sebastian Bauer
-----------------------------------------------------
http://tikecik.pl


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