WARN org.apache.hadoop.hbase.regionserver.Store: Not in set (double-remove?)
org.apache.hadoop.hbase.regionserver.storescan...@76607d3d
---------------------------------------------------------------------------------------------------------------------------------------
Key: HBASE-3294
URL: https://issues.apache.org/jira/browse/HBASE-3294
Project: HBase
Issue Type: Bug
Reporter: stack
Fix For: 0.90.0
We see this ugly message in running hbase. Its a little disorientating. I
added stack traces around the call to close. Here are the two I see (The WARN
message is the bad one... the INFO is the good case). Looks like compaction is
the one that triggers the WARN.
{code}
2010-12-01 18:20:28,307 WARN org.apache.hadoop.hbase.regionserver.Store: Not in
set (double-remove?) org.apache.hadoop.hbase.regionserver.storescan...@68faedc7
java.io.IOException: WHY
at
org.apache.hadoop.hbase.regionserver.Store.deleteChangedReaderObserver(Store.java:583)
at
org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:204)
at
org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:242)
at
org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:326)
at org.apache.hadoop.hbase.regionserver.Store.compact(Store.java:939)
at org.apache.hadoop.hbase.regionserver.Store.compact(Store.java:748)
at
org.apache.hadoop.hbase.regionserver.HRegion.compactStores(HRegion.java:753)
at
org.apache.hadoop.hbase.regionserver.HRegion.compactStores(HRegion.java:698)
at
org.apache.hadoop.hbase.regionserver.CompactSplitThread.run(CompactSplitThread.java:81)
2010-12-01 18:21:18,103 INFO org.apache.hadoop.hbase.regionserver.Store: CLOSE
org.apache.hadoop.hbase.regionserver.storescan...@3dca256e
java.io.IOException: WHY
at
org.apache.hadoop.hbase.regionserver.Store.deleteChangedReaderObserver(Store.java:592)
at
org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:204)
at
org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:192)
at
org.apache.hadoop.hbase.regionserver.HRegion$RegionScanner.close(HRegion.java:2361)
at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:2945)
at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:2844)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:1566)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:570)
at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1036)
{code}
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