Ted Yu created HBASE-9827:
-----------------------------
Summary: Intermittent
TestLogRollingNoCluster#testContendedLogRolling failure
Key: HBASE-9827
URL: https://issues.apache.org/jira/browse/HBASE-9827
Project: HBase
Issue Type: Test
Reporter: Ted Yu
>From
>https://builds.apache.org/job/HBase-TRUNK/lastCompletedBuild/testReport/org.apache.hadoop.hbase.regionserver.wal/TestLogRollingNoCluster/testContendedLogRolling/
> :
{code}
java.lang.AssertionError
at org.junit.Assert.fail(Assert.java:86)
at org.junit.Assert.assertTrue(Assert.java:41)
at org.junit.Assert.assertFalse(Assert.java:64)
at org.junit.Assert.assertFalse(Assert.java:74)
at
org.apache.hadoop.hbase.regionserver.wal.TestLogRollingNoCluster.testContendedLogRolling(TestLogRollingNoCluster.java:79)
...
2013-10-23 00:20:36,872 INFO [18] wal.FSHLog(527): Rolled WAL
/home/jenkins/jenkins-slave/workspace/HBase-TRUNK/trunk/hbase-server/target/test-data/39875b32-a156-48ac-875f-9f67689d3a2e/logs/hlog.1382487636870
with entries=28, filesize=30.0k; new WAL
/home/jenkins/jenkins-slave/workspace/HBase-TRUNK/trunk/hbase-server/target/test-data/39875b32-a156-48ac-875f-9f67689d3a2e/logs/hlog.1382487636872
2013-10-23 00:20:36,873 INFO [51] wal.TestLogRollingNoCluster$Appender(135):
Caught exception from Appender:51
java.io.IOException: cannot get log writer
at
org.apache.hadoop.hbase.regionserver.wal.HLogFactory.createWriter(HLogFactory.java:197)
at
org.apache.hadoop.hbase.regionserver.wal.HLogFactory.createWALWriter(HLogFactory.java:177)
at
org.apache.hadoop.hbase.regionserver.wal.FSHLog.createWriterInstance(FSHLog.java:566)
at
org.apache.hadoop.hbase.regionserver.wal.FSHLog.rollWriter(FSHLog.java:509)
at
org.apache.hadoop.hbase.regionserver.wal.FSHLog.rollWriter(FSHLog.java:470)
at
org.apache.hadoop.hbase.regionserver.wal.TestLogRollingNoCluster$Appender.run(TestLogRollingNoCluster.java:118)
Caused by: java.io.IOException: File already
exists:/home/jenkins/jenkins-slave/workspace/HBase-TRUNK/trunk/hbase-server/target/test-data/39875b32-a156-48ac-875f-9f67689d3a2e/logs/hlog.1382487636872
at
org.apache.hadoop.fs.RawLocalFileSystem.create(RawLocalFileSystem.java:249)
at
org.apache.hadoop.fs.RawLocalFileSystem.create(RawLocalFileSystem.java:241)
at
org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSOutputSummer.<init>(ChecksumFileSystem.java:335)
at
org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:381)
at
org.apache.hadoop.fs.ChecksumFileSystem.createNonRecursive(ChecksumFileSystem.java:395)
at
org.apache.hadoop.fs.FileSystem.createNonRecursive(FileSystem.java:610)
at
org.apache.hadoop.hbase.regionserver.wal.ProtobufLogWriter.init(ProtobufLogWriter.java:68)
at
org.apache.hadoop.hbase.regionserver.wal.HLogFactory.createWriter(HLogFactory.java:194)
{code}
Looks like
target/test-data/39875b32-a156-48ac-875f-9f67689d3a2e/logs/hlog.1382487636872
was created already and the second FileSystem.createNonRecursive() call failed.
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