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https://issues.apache.org/jira/browse/CASSANDRA-14066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16261725#comment-16261725
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Jay Zhuang edited comment on CASSANDRA-14066 at 11/22/17 12:12 AM:
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It's a real issue with
[{{CommitLogReplayer.replayFiles()}}|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/db/commitlog/CommitLogReplayer.java#L145].
For the CDC data, it's handling the wrong file (the right one + 1, and in the
wrong list:
[{{CommitLogReplayer.java:151}}|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/db/commitlog/CommitLogReplayer.java#L151]).
Sometimes, it's causing the following exception:
{noformat}
java.lang.ArrayIndexOutOfBoundsException: 4
at
org.apache.cassandra.db.commitlog.CommitLogReplayer.replayFiles(CommittLogReplayer.java:155)
at
org.apache.cassandra.db.commitlog.CDCCTestReplayer.examineCommitLog(CDCTestReplayer.java:48)
at
org.apache.cassandra.db.commitlog.CommitLogSegmentManagerCDDCTest.testReplayLogic(CommitLogSegmentManagerCDCTest.java:318)
{noformat}
Here is the fix, please review (it's only impacting trunk, 3.11 branch is fine):
| Branch | uTest |
| [14066-trunk|https://github.com/cooldoger/cassandra/tree/14066-trunk] |
[!https://circleci.com/gh/cooldoger/cassandra/tree/14066-trunk.svg?style=svg!|https://circleci.com/gh/cooldoger/cassandra/tree/14066-trunk]
|
was (Author: jay.zhuang):
It's a real issue with
[{{CommitLogReplayer.replayFiles()}}|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/db/commitlog/CommitLogReplayer.java#L145].
For the CDC data, it's handling the wrong file (the right one + 1, and in the
wrong list:
[{{CommitLogReplayer.java:151}}|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/db/commitlog/CommitLogReplayer.java#L151]).
Sometimes, it's causing the following exception:
{noformat}
java.lang.ArrayIndexOutOfBoundsException: 4
at
org.apache.cassandra.db.commitlog.CommitLogReplayer.replayFiles(CommittLogReplayer.java:155)
at
org.apache.cassandra.db.commitlog.CDCCTestReplayer.examineCommitLog(CDCTestReplayer.java:48)
at
org.apache.cassandra.db.commitlog.CommitLogSegmentManagerCDDCTest.testReplayLogic(CommitLogSegmentManagerCDCTest.java:318)
{noformat}
Here is the fix, please review:
| Branch | uTest |
| [14066-trunk|https://github.com/cooldoger/cassandra/tree/14066-trunk] |
[!https://circleci.com/gh/cooldoger/cassandra/tree/14066-trunk.svg?style=svg!|https://circleci.com/gh/cooldoger/cassandra/tree/14066-trunk]
|
> unittest failed: CommitLogSegmentManagerCDCTest.testReplayLogic
> ---------------------------------------------------------------
>
> Key: CASSANDRA-14066
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14066
> Project: Cassandra
> Issue Type: Bug
> Components: Testing
> Reporter: Jay Zhuang
> Assignee: Jay Zhuang
>
> To reproduce:
> {noformat}
> $ ant test-cdc -Dtest.name=CommitLogSegmentManagerCDCTest
> {noformat}
> Error:
> {noformat}
> [junit] Testcase:
> testReplayLogic(org.apache.cassandra.db.commitlog.CommitLogSegmentManagerCDCTest)-cdc:
> FAILED
> [junit] Missing old CDCIndexData in new set after replay:
> CommitLog-7-1511301220821_cdc.idx,3497190
> [junit] List of CDCIndexData in new set of indexes after replay:
> [junit] CommitLog-7-1511301220822_cdc.idx,3509214
> [junit] CommitLog-7-1511301220823_cdc.idx,100
> [junit]
> [junit] junit.framework.AssertionFailedError: Missing old CDCIndexData in
> new set after replay: CommitLog-7-1511301220821_cdc.idx,3497190
> [junit] List of CDCIndexData in new set of indexes after replay:
> [junit] CommitLog-7-1511301220822_cdc.idx,3509214
> [junit] CommitLog-7-1511301220823_cdc.idx,100
> [junit]
> [junit] at
> org.apache.cassandra.db.commitlog.CommitLogSegmentManagerCDCTest.testReplayLogic(CommitLogSegmentManagerCDCTest.java:345)
> [junit]
> [junit]
> [junit] Test
> org.apache.cassandra.db.commitlog.CommitLogSegmentManagerCDCTest FAILED
> {noformat}
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