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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1107) NPE in HStoreScanner.updateReaders
Date Sun, 25 Jan 2009 06:55:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12667050#action_12667050
] 

stack commented on HBASE-1107:
------------------------------

Thats crazy!  I must be digging the hole in the wrong spot?

> NPE in HStoreScanner.updateReaders
> ----------------------------------
>
>                 Key: HBASE-1107
>                 URL: https://issues.apache.org/jira/browse/HBASE-1107
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: Andrew Purtell
>            Priority: Critical
>             Fix For: 0.19.1
>
>         Attachments: 1107-1.patch
>
>
> 2009-01-01 23:55:41,629 FATAL org.apache.hadoop.hbase.regionserver.MemcacheFlusher: Replay
of hlog required. Forcing server shutdown
> org.apache.hadoop.hbase.DroppedSnapshotException: region: content,cff13605e2ea6ce0b221ac864687bf08,1230777531253
>         at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:880)
>         at org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:773)
>         at org.apache.hadoop.hbase.regionserver.MemcacheFlusher.flushRegion(MemcacheFlusher.java:227)
>         at org.apache.hadoop.hbase.regionserver.MemcacheFlusher.run(MemcacheFlusher.java:137)
> Caused by: java.lang.NullPointerException
>         at org.apache.hadoop.hbase.regionserver.HStoreScanner.updateReaders(HStoreScanner.java:322)
>         at org.apache.hadoop.hbase.regionserver.HStore.notifyChangedReadersObservers(HStore.java:737)
>         at org.apache.hadoop.hbase.regionserver.HStore.updateReaders(HStore.java:725)
>         at org.apache.hadoop.hbase.regionserver.HStore.internalFlushCache(HStore.java:694)
>         at org.apache.hadoop.hbase.regionserver.HStore.flushCache(HStore.java:630)
>         at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:865)
>         ... 3 more

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