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From "ryan rawson (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1686) major compaction can create empty store files, causing AIOOB when trying to read
Date Thu, 23 Jul 2009 00:41:14 GMT
major compaction can create empty store files, causing AIOOB when trying to read
--------------------------------------------------------------------------------

                 Key: HBASE-1686
                 URL: https://issues.apache.org/jira/browse/HBASE-1686
             Project: Hadoop HBase
          Issue Type: Bug
    Affects Versions: 0.20.0
            Reporter: ryan rawson
            Priority: Blocker
             Fix For: 0.20.0


here is the backtrace:

Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
        at org.apache.hadoop.hbase.io.hfile.HFile$Reader.getFirstKey(HFile.java:991)
        at org.apache.hadoop.hbase.regionserver.StoreFileGetScan.getStoreFile(StoreFileGetScan.java:84)
        at org.apache.hadoop.hbase.regionserver.StoreFileGetScan.get(StoreFileGetScan.java:65)
        at org.apache.hadoop.hbase.regionserver.Store.get(Store.java:1548)
        at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:2263)
        at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:2252)
        at org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:1739)

This can happen if your table only has deletes, and everything evaporates during a major compaction.

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