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https://issues.apache.org/jira/browse/ZOOKEEPER-2249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16300677#comment-16300677
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Hadoop QA commented on ZOOKEEPER-2249:
--------------------------------------
+1 overall. GitHub Pull Request Build
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 4 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs (version 3.0.1)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1388//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1388//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1388//console
This message is automatically generated.
> CRC check failed when preAllocSize smaller than node data
> ---------------------------------------------------------
>
> Key: ZOOKEEPER-2249
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2249
> Project: ZooKeeper
> Issue Type: Bug
> Affects Versions: 3.5.3, 3.4.11, 3.6.0
> Reporter: Benjamin Jaton
> Assignee: Abraham Fine
> Labels: server
>
> Unexpected exception, exiting abnormally
> java.io.IOException: CRC check failed
> org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.next(FileTxnLog.java:612)
>
> org.apache.zookeeper.server.persistence.FileTxnSnapLog.restore(FileTxnSnapLog.java:157)
>
> org.apache.zookeeper.server.ZKDatabase.loadDataBase(ZKDatabase.java:223)
> org.apache.zookeeper.server.ZooKeeperServer.loadData(ZooKeeperServer.java:272)
>
> org.apache.zookeeper.server.ZooKeeperServer.startdata(ZooKeeperServer.java:399)
> To reproduce, set the preAllocSize to 8MB, the jute.maxbuffer to 20MB and try
> saving a 15MB node several times.
> In my case the erroneous CRC appears after the second save. I use the
> LogFormatter class to detect it.
> I suspect that the CRC error happens when the new transaction log is created,
> the code probably expects to have enough room to save the transaction when
> creating a new file, but it's too small.
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