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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-10751) TestHRegion testWritesWhileScanning occasional fail since HBASE-10514 went in
Date Fri, 14 Mar 2014 18:06:52 GMT
stack created HBASE-10751:
-----------------------------

             Summary: TestHRegion testWritesWhileScanning occasional fail since HBASE-10514
went in
                 Key: HBASE-10751
                 URL: https://issues.apache.org/jira/browse/HBASE-10751
             Project: HBase
          Issue Type: Bug
            Reporter: stack
            Assignee: stack


I saw this here https://builds.apache.org/job/HBase-0.98-on-Hadoop-1.1/213/testReport/junit/org.apache.hadoop.hbase.regionserver/TestHRegion/testWritesWhileScanning/

This patch looks to have exposed a problem in our HStore commit logic.  We are supposed to
crash out if we fail to write but we keep going here.  I am having trouble figuring why. 
Let me write a little test:

{code}
2014-03-14 01:58:48,647 DEBUG [Thread-3] regionserver.HRegionFileSystem(339): Committing store
file /home/jenkins/jenkins-slave/workspace/HBase-0.98-on-Hadoop-1.1/0.98-hadoop1.1/hbase-server/target/test-data/f7999012-e166-4619-ab3c-5014e0f65007/data/default/testWritesWhileScanning/306ea000673d780f06daf2469e7f9bab/.tmp/a0e6579af25f463ebb7eebe3c043b8a0
as /home/jenkins/jenkins-slave/workspace/HBase-0.98-on-Hadoop-1.1/0.98-hadoop1.1/hbase-server/target/test-data/f7999012-e166-4619-ab3c-5014e0f65007/data/default/testWritesWhileScanning/306ea000673d780f06daf2469e7f9bab/family7/a0e6579af25f463ebb7eebe3c043b8a0
2014-03-14 01:58:48,647 INFO  [Thread-2] regionserver.HRegion(5779): writing data to region
testWritesWhileScanning,,1394762315120.306ea000673d780f06daf2469e7f9bab. with WAL disabled.
Data may be lost in the event of a crash.
2014-03-14 01:58:48,648 ERROR [Thread-3] regionserver.HStore$StoreFlusherImpl(1964): Failed
to commit store file /home/jenkins/jenkins-slave/workspace/HBase-0.98-on-Hadoop-1.1/0.98-hadoop1.1/hbase-server/target/test-data/f7999012-e166-4619-ab3c-5014e0f65007/data/default/testWritesWhileScanning/306ea000673d780f06daf2469e7f9bab/.tmp/a0e6579af25f463ebb7eebe3c043b8a0
org.apache.hadoop.hbase.io.hfile.CorruptHFileException: Problem reading HFile Trailer from
file file:/home/jenkins/jenkins-slave/workspace/HBase-0.98-on-Hadoop-1.1/0.98-hadoop1.1/hbase-server/target/test-data/f7999012-e166-4619-ab3c-5014e0f65007/data/default/testWritesWhileScanning/306ea000673d780f06daf2469e7f9bab/family7/a0e6579af25f463ebb7eebe3c043b8a0
	at org.apache.hadoop.hbase.io.hfile.HFile.pickReaderVersion(HFile.java:552)
	at org.apache.hadoop.hbase.io.hfile.HFile.createReader(HFile.java:580)
	at org.apache.hadoop.hbase.regionserver.StoreFile$Reader.<init>(StoreFile.java:1019)
	at org.apache.hadoop.hbase.regionserver.StoreFileInfo.open(StoreFileInfo.java:211)
	at org.apache.hadoop.hbase.regionserver.StoreFile.open(StoreFile.java:350)
	at org.apache.hadoop.hbase.regionserver.StoreFile.createReader(StoreFile.java:445)
	at org.apache.hadoop.hbase.regionserver.HStore.createStoreFileAndReader(HStore.java:551)
	at org.apache.hadoop.hbase.regionserver.HStore.commitFile(HStore.java:842)
	at org.apache.hadoop.hbase.regionserver.HStore.access$200(HStore.java:118)
	at org.apache.hadoop.hbase.regionserver.HStore$StoreFlusherImpl.commit(HStore.java:1961)
	at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1706)
	at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1583)
	at org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:1498)
	at org.apache.hadoop.hbase.regionserver.TestHRegion$FlushThread.run(TestHRegion.java:3034)
Caused by: java.nio.channels.ClosedByInterruptException
	at java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:184)
	at sun.nio.ch.FileChannelImpl.position(FileChannelImpl.java:282)
	at org.apache.hadoop.fs.RawLocalFileSystem$LocalFSFileInputStream.seek(RawLocalFileSystem.java:111)
	at org.apache.hadoop.fs.BufferedFSInputStream.seek(BufferedFSInputStream.java:78)
	at org.apache.hadoop.fs.FSDataInputStream.seek(FSDataInputStream.java:37)
	at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.readChunk(ChecksumFileSystem.java:206)
	at org.apache.hadoop.fs.FSInputChecker.readChecksumChunk(FSInputChecker.java:237)
	at org.apache.hadoop.fs.FSInputChecker.fill(FSInputChecker.java:176)
	at org.apache.hadoop.fs.FSInputChecker.read1(FSInputChecker.java:193)
	at org.apache.hadoop.fs.FSInputChecker.read(FSInputChecker.java:158)
	at org.apache.hadoop.fs.FSInputChecker.readFully(FSInputChecker.java:384)
	at org.apache.hadoop.fs.FSInputChecker.seek(FSInputChecker.java:365)
	at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.seek(ChecksumFileSystem.java:271)
	at org.apache.hadoop.fs.FSDataInputStream.seek(FSDataInputStream.java:37)
	at org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.readFromStream(FixedFileTrailer.java:389)
	at org.apache.hadoop.hbase.io.hfile.HFile.pickReaderVersion(HFile.java:537)
	... 13 more
2014-03-14 01:58:48,657 DEBUG [pool-1-thread-1] regionserver.HRegion(1037): Closing testWritesWhileScanning,,1394762315120.306ea000673d780f06daf2469e7f9bab.:
disabling compactions & flushes
2014-03-14 01:58:48,657 INFO  [pool-1-thread-1] regionserver.HRegion(1045): Running close
preflush of testWritesWhileScanning,,1394762315120.306ea000673d780f06daf2469e7f9bab.
{code}



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