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https://issues.apache.org/jira/browse/CASSANDRA-20664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17986972#comment-17986972
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Himanshu sahu commented on CASSANDRA-20664:
-------------------------------------------
[~christophschnepf]
Thank you for taking the time to check the PR. I understand if you're not
deeply familiar with the Cassandra code, I appreciate your note.
I've seen the comments and questions on the PR and will review and address them
accordingly. Please let me know if there's anything specific you'd like me to
clarify or update.
> Endless loop on reading commitlogs when it should ignore replay errors
> ----------------------------------------------------------------------
>
> Key: CASSANDRA-20664
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20664
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Local/Commit Log
> Reporter: Christoph Schnepf
> Assignee: Himanshu sahu
> Priority: Normal
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Hi,
> We're using Cassandra 4.1.8 and specify the option
> {_}-Dcassandra.commitlog.ignorereplayerrors=true{_}, however we see an
> endless loop on starting Cassandra when there are corrupt commit log files
> found.
> The stacktrace which is printed over and over again is:
> {code:java}
> INFO [main] 2025-05-19 19:25:22,658 UTC CommitLogReader.java:257 - Finished
> reading /data/cassandra/commitlog/CommitLog-7-1745459535901.log
> INFO [main] 2025-05-19 19:25:23,614 UTC CommitLogReader.java:257 - Finished
> reading /data/cassandra/commitlog/CommitLog-7-1745459535902.log
> ERROR [main] 2025-05-19 19:25:24,572 UTC CommitLogReplayer.java:501 -
> Ignoring commit log replay error
> org.apache.cassandra.db.commitlog.CommitLogReadHandler$CommitLogReadException:
> Mutation checksum failure at 60807439 in Next section at 60745241 in
> CommitLog-7-1745459535903.log
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readSection(CommitLogReader.java:387)
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readCommitLogSegment(CommitLogReader.java:244)
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readCommitLogSegment(CommitLogReader.java:147)
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.replayFiles(CommitLogReplayer.java:200)
> at
> org.apache.cassandra.db.commitlog.CommitLog.recoverFiles(CommitLog.java:223)
> at
> org.apache.cassandra.db.commitlog.CommitLog.recoverSegmentsOnDisk(CommitLog.java:204)
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:353)
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:744)
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:878)
> ERROR [main] 2025-05-19 19:25:24,572 UTC CommitLogReplayer.java:501 -
> Ignoring commit log replay error
> org.apache.cassandra.db.commitlog.CommitLogReadHandler$CommitLogReadException:
> Mutation size checksum failure at 60838538 in Next section at 60745241 in
> CommitLog-7-1745459535903.log
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readSection(CommitLogReader.java:356)
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readCommitLogSegment(CommitLogReader.java:244)
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readCommitLogSegment(CommitLogReader.java:147)
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.replayFiles(CommitLogReplayer.java:200)
> at
> org.apache.cassandra.db.commitlog.CommitLog.recoverFiles(CommitLog.java:223)
> at
> org.apache.cassandra.db.commitlog.CommitLog.recoverSegmentsOnDisk(CommitLog.java:204)
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:353)
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:744)
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:878)
> ERROR [main] 2025-05-19 19:25:24,573 UTC CommitLogReplayer.java:501 -
> Ignoring commit log replay error
> org.apache.cassandra.db.commitlog.CommitLogReadHandler$CommitLogReadException:
> Encountered bad header at position 60865611 of commit log
> /data/cassandra/commitlog/CommitLog-7-1745459535903.log, with invalid CRC.
> The end of segment marker should be zero.
> at
> org.apache.cassandra.db.commitlog.CommitLogSegmentReader$SegmentIterator.computeNext(CommitLogSegmentReader.java:127)
> at
> org.apache.cassandra.db.commitlog.CommitLogSegmentReader$SegmentIterator.computeNext(CommitLogSegmentReader.java:98)
> at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:141)
> at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:136)
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readCommitLogSegment(CommitLogReader.java:233)
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readCommitLogSegment(CommitLogReader.java:147)
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.replayFiles(CommitLogReplayer.java:200)
> at
> org.apache.cassandra.db.commitlog.CommitLog.recoverFiles(CommitLog.java:223)
> at
> org.apache.cassandra.db.commitlog.CommitLog.recoverSegmentsOnDisk(CommitLog.java:204)
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:353)
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:744)
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:878)
> ERROR [main] 2025-05-19 19:25:24,573 UTC CommitLogReplayer.java:501 -
> Ignoring commit log replay error
> org.apache.cassandra.db.commitlog.CommitLogReadHandler$CommitLogReadException:
> Encountered bad header at position 60865611 of commit log
> /data/cassandra/commitlog/CommitLog-7-1745459535903.log, with invalid CRC.
> The end of segment marker should be zero.
> at
> org.apache.cassandra.db.commitlog.CommitLogSegmentReader$SegmentIterator.computeNext(CommitLogSegmentReader.java:127)
> at
> org.apache.cassandra.db.commitlog.CommitLogSegmentReader$SegmentIterator.computeNext(CommitLogSegmentReader.java:98)
> at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:141)
> at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:136)
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readCommitLogSegment(CommitLogReader.java:233)
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readCommitLogSegment(CommitLogReader.java:147)
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.replayFiles(CommitLogReplayer.java:200)
> at
> org.apache.cassandra.db.commitlog.CommitLog.recoverFiles(CommitLog.java:223)
> at
> org.apache.cassandra.db.commitlog.CommitLog.recoverSegmentsOnDisk(CommitLog.java:204)
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:353)
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:744)
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:878)
> ERROR [main] 2025-05-19 19:25:24,573 UTC CommitLogReplayer.java:501 -
> Ignoring commit log replay error {code}
> This prevents the Cassandra startup on this node and it writes 50 MB to the
> _system.log_ in about 2 seconds.
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