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https://issues.apache.org/jira/browse/HBASE-5049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13170634#comment-13170634
]
Jonathan Hsieh commented on HBASE-5049:
---------------------------------------
So the old code had an error in semantics (see
http://docs.oracle.com/javase/6/docs/api/java/lang/Throwable.html#initCause(java.lang.Throwable)
).
Specifically the initCause can only be used once. When an exception is passed
in at the constructor, the subsequent initCause call will *always* fail.
We encountered this exception when backporting parts of HBASE-5006 for a
HBASE-2312/HADOOP-6840 bug fix series a 0.90 based-branch. This hadoop branch
has some fixes related to HADOOP-6840 currently only on the 1.1.0 branch.
> TestHLogSplit.testLogRollAfterSplitStart not working due to HBASE-5006
> ----------------------------------------------------------------------
>
> Key: HBASE-5049
> URL: https://issues.apache.org/jira/browse/HBASE-5049
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.92.0, 0.94.0
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Priority: Trivial
> Attachments:
> 0001-HBASE-5049-TestHLogSplit.testLogRollAfterSplitStart-.patch
>
>
> java.lang.IllegalStateException: Can't overwrite cause
> at java.lang.Throwable.initCause(Throwable.java:320)
> at
> org.apache.hadoop.hbase.regionserver.wal.HLog.createWriter(HLog.java:624)
> at
> org.apache.hadoop.hbase.regionserver.wal.HLog.createWriterInstance(HLog.java:570)
> at
> org.apache.hadoop.hbase.regionserver.wal.HLog.rollWriter(HLog.java:504)
> at
> org.apache.hadoop.hbase.regionserver.wal.TestHLogSplit.testLogRollAfterSplitStart(TestHLogSplit.java:880)
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