bq. Caused by: java.io.FileNotFoundException: File does not exist: /hbase/TableName/55b13dd9eb08790e8e93757910209c21/WPA/ ba8ae96c466f4559901127ca24378020
Can you check in region server / namenode logs how the above file got deleted ? On Thu, Jul 11, 2013 at 6:24 AM, Sandeep L <[email protected]>wrote: > Anoop, > Following is stack trace > ERROR org.apache.hadoop.hbase.executor.EventHandler: Caught throwable > while processing event M_RS_CLOSE_REGIONjava.lang.RuntimeException: > org.apache.hadoop.hbase.DroppedSnapshotException: region: > TableName,better,1372421736221.55b13dd9eb08790e8e93757910209c21. at > org.apache.hadoop.hbase.regionserver.handler.CloseRegionHandler.process(CloseRegionHandler.java:133) > at > org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:169) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:722)Caused by: > org.apache.hadoop.hbase.DroppedSnapshotException: region: > TableName,better,1372421736221.55b13dd9eb08790e8e93757910209c21. at > org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1474) > at > org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1353) > at > org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:905) > at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:845) > at > org.apache.hadoop.hbase.regionserver.handler.CloseRegionHandler.process(CloseRegionHandler.java:119) > ... 4 moreCaused by: java.io.FileNotFoundException: File does not > exist: > /hbase/TableName/55b13dd9eb08790e8e93757910209c21/WPA/ba8ae96c466f4559901127ca24378020 > at > org.apache.hadoop.hdfs.DFSClient$DFSInputStream.openInfo(DFSClient.java:1843) > at > org.apache.hadoop.hdfs.DFSClient$DFSInputStream.<init>(DFSClient.java:1834) > at org.apache.hadoop.hdfs.DFSClient.open(DFSClient.java:578) > at > org.apache.hadoop.hdfs.DistributedFileSystem.open(DistributedFileSystem.java:154) > at > org.apache.hadoop.fs.FilterFileSystem.open(FilterFileSystem.java:108) > at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:427) at > org.apache.hadoop.hbase.io.hfile.HFile.createReaderWithEncoding(HFile.java:547) > at > org.apache.hadoop.hbase.regionserver.StoreFile$Reader.<init>(StoreFile.java:1245) > at > org.apache.hadoop.hbase.regionserver.StoreFile.open(StoreFile.java:512) > at > org.apache.hadoop.hbase.regionserver.StoreFile.createReader(StoreFile.java:602) > at > org.apache.hadoop.hbase.regionserver.Store.commitFile(Store.java:791) > at org.apache.hadoop.hbase.regionserver.Store.access$500(Store.java:108) > at > org.apache.hadoop.hbase.regionserver.Store$StoreFlusherImpl.commit(Store.java:2256) > at > org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1455) > ... 8 more > INFO org.apache.hadoop.ipc.HBaseServer: Stopping server on 60020 > Thanks,Sandeep. > > > Date: Thu, 11 Jul 2013 18:47:17 +0530 > > Subject: Re: Region server going down when deleting a table from HBase > > From: [email protected] > > To: [email protected] > > > > What is the full trace for DroppedSnapshotException ? The caused by > trace? > > > > -Anoop- > > > > On Thu, Jul 11, 2013 at 6:38 PM, Sandeep L <[email protected] > >wrote: > > > > > Hi, > > > We are using hbase-0.94.1 with hadoop-1.0.2. > > > Recently couple of time we faced a strange issue while deleting a > table. > > > Whenever we are deleting a table from HBase shell using disable and > drop > > > command at least one or two region servers are going down suddenly. > > > I observed following error message in region server log: > > > INFO org.apache.hadoop.hbase.regionserver.HRegionServer: STOPPED: > > > Unrecoverable exception while closing region > > > REGION_NAMEjava.lang.RuntimeException: > > > org.apache.hadoop.hbase.DroppedSnapshotException: region: REGION_NAME > > > Previously also we used to disable and drop tables, but we never seen > this > > > kind of issue. > > > > > > Thanks,Sandeep. > >
