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Posted to dev@hbase.apache.org by "Jim Kellerman (JIRA)" <ji...@apache.org> on 2008/02/19 00:40:37 UTC
[jira] Assigned: (HBASE-236) [hbase] NPE on failed open of region
[ https://issues.apache.org/jira/browse/HBASE-236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jim Kellerman reassigned HBASE-236:
-----------------------------------
Assignee: Jim Kellerman
> [hbase] NPE on failed open of region
> ------------------------------------
>
> Key: HBASE-236
> URL: https://issues.apache.org/jira/browse/HBASE-236
> Project: Hadoop HBase
> Issue Type: Bug
> Components: regionserver
> Reporter: stack
> Assignee: Jim Kellerman
> Fix For: 0.2.0
>
>
> From Bryan Duxbury supplied log:
> {code}
> 1044 2007-12-15 04:37:56,052 INFO org.apache.hadoop.hbase.HRegionServer: MSG_REGION_OPEN : spider_pages,7_202623541,1197662034823
> 1045 2007-12-15 04:37:56,060 ERROR org.apache.hadoop.hbase.HRegionServer: error opening region spider_pages,7_202623541,1197662034823
> 1046 java.io.EOFException
> 1047 at java.io.DataInputStream.readByte(DataInputStream.java:250)
> 1048 at org.apache.hadoop.hbase.HStoreFile.loadInfo(HStoreFile.java:594)
> 1049 at org.apache.hadoop.hbase.HStore.<init>(HStore.java:613)
> 1050 at org.apache.hadoop.hbase.HRegion.<init>(HRegion.java:287)
> 1051 at org.apache.hadoop.hbase.HRegionServer.openRegion(HRegionServer.java:1182)
> 1052 at org.apache.hadoop.hbase.HRegionServer$Worker.run(HRegionServer.java:1133)
> 1053 at java.lang.Thread.run(Thread.java:619)
> 1054 2007-12-15 04:37:56,061 FATAL org.apache.hadoop.hbase.HRegionServer: Unhandled exception 1055 java.lang.NullPointerException
> 1056 at org.apache.hadoop.hbase.HRegionServer.reportClose(HRegionServer.java:1066)
> 1057 at org.apache.hadoop.hbase.HRegionServer.openRegion(HRegionServer.java:1188)
> 1058 at org.apache.hadoop.hbase.HRegionServer$Worker.run(HRegionServer.java:1133)
> 1059 at java.lang.Thread.run(Thread.java:619)
> 1060 2007-12-15 04:37:56,061 INFO org.apache.hadoop.hbase.HRegionServer: worker thread exiting
> {code}
> I see same exception when we try to deploy same region on another server; the info file must be horked (Seems like something we could recover from reading through looking for highest sequence number; would be expensive but alternative is lost region).
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