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Guanghao Zhang updated HBASE-16012: ----------------------------------- Attachment: HBASE-16012.patch Add try...catch to handle this. > Major compaction can't work because left scanner read point in RegionServer > --------------------------------------------------------------------------- > > Key: HBASE-16012 > URL: https://issues.apache.org/jira/browse/HBASE-16012 > Project: HBase > Issue Type: Bug > Components: Compaction, Scanners > Affects Versions: 2.0.0, 0.94.27 > Reporter: Guanghao Zhang > Attachments: HBASE-16012.patch > > > When new RegionScanner, it will add a scanner read point in > scannerReadPoints. But if we got a exception after add read point, the read > point will keep in regions server and the delete after this mvcc number will > never be compacted. > Our hbase version is base 0.94. If it throws other exception when initialize > RegionScanner, the master branch has this bug, too. > ERROR org.apache.hadoop.hbase.regionserver.HRegionServer: Failed openScanner > java.io.IOException: Could not seek StoreFileScanner > at > org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:160) > at > org.apache.hadoop.hbase.regionserver.StoreScanner.seekScanners(StoreScanner.java:268) > at > org.apache.hadoop.hbase.regionserver.StoreScanner.<init>(StoreScanner.java:168) > at org.apache.hadoop.hbase.regionserver.Store.getScanner(Store.java:2232) > at > org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.<init>(HRegion.java:4026) > at > org.apache.hadoop.hbase.regionserver.HRegion.instantiateRegionScanner(HRegion.java:1895) > at > org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1879) > at > org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1854) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.internalOpenScanner(HRegionServer.java:3032) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:2995) > at sun.reflect.GeneratedMethodAccessor67.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > org.apache.hadoop.hbase.ipc.SecureRpcEngine$Server.call(SecureRpcEngine.java:338) > at > org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1595) > Caused by: org.apache.hadoop.hbase.ipc.CallerDisconnectedException: Aborting > call openScanner, since caller disconnected > at > org.apache.hadoop.hbase.ipc.HBaseServer$Call.throwExceptionIfCallerDisconnected(HBaseServer.java:475) > at > org.apache.hadoop.hbase.io.hfile.HFileBlock$AbstractFSReader.readAtOffset(HFileBlock.java:1443) > at > org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockDataInternal(HFileBlock.java:1902) > at > org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockData(HFileBlock.java:1766) > at > org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:345) > at > org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:254) > at > org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:499) > at > org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:520) > at > org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:235) > at > org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:148) > ... 14 more -- This message was sent by Atlassian JIRA (v6.3.4#6332)