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https://issues.apache.org/jira/browse/CASSANDRA-17928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17624337#comment-17624337
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Berenguer Blasi edited comment on CASSANDRA-17928 at 10/26/22 11:08 AM:
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Ohhhh we're accessing CommitLog init in a multi-threaded way mixing static and
non-static monitors. Hence data visibility and reordering are not warrantied. I
pushed a proposal to see if that theory is right
[here|https://github.com/bereng/cassandra/commit/718f831e6de0b0b88802018d5112fb7d3fe2cf40]
with [10K
CI|https://app.circleci.com/pipelines/github/bereng/cassandra/800/workflows/5dd074e9-051a-4cd0-bf28-00d84257cb67]
running.
[~adelapena] it might be my fault or me being an idiot but
- I run generate.sh and it barfs all tests. We don't seem to have a simple way
to bring up the help/usage instructions
- I run it with -m and it barfs all tests
- I run {{./generate.sh -m -e REPEATED_ANT_TEST_TARGET=test -e
REPEATED_ANT_TEST_CLASS=CommitLogInitWithExceptionTest -e
REPEATED_ANT_TEST_COUNT=10000 -e REPEATED_TESTS_STOP_ON_FAILURE=true}} and the
config went empty but for the header of comments
was (Author: bereng):
Ohhhh we're accessing CommitLog init in a multi-threaded way mixing static and
non-static monitors. Hence data visibility and reordering are not warrantied. I
pushed a proposal to see if that theory is right
[here|https://github.com/bereng/cassandra/commit/718f831e6de0b0b88802018d5112fb7d3fe2cf40]
with
[CI|https://app.circleci.com/pipelines/github/bereng/cassandra/800/workflows/5dd074e9-051a-4cd0-bf28-00d84257cb67]
running.
[~adelapena] it might be my fault or me being an idiot but
- I run generate.sh and it barfs all tests. We don't seem to have a simple way
to bring up the help/usage instructions
- I run it with -m and it barfs all tests
- I run {{./generate.sh -m -e REPEATED_ANT_TEST_TARGET=test -e
REPEATED_ANT_TEST_CLASS=CommitLogInitWithExceptionTest -e
REPEATED_ANT_TEST_COUNT=10000 -e REPEATED_TESTS_STOP_ON_FAILURE=true}} and the
config went empty but for the header of comments
> Test Failure:
> org.apache.cassandra.db.commitlog.CommitLogInitWithExceptionTest.testCommitLogInitWithException-compression
> -------------------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-17928
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17928
> Project: Cassandra
> Issue Type: Bug
> Components: Test/unit
> Reporter: Josh McKenzie
> Assignee: Brandon Williams
> Priority: Normal
> Fix For: 4.1-rc
>
>
> [Link|https://ci-cassandra.apache.org/job/Cassandra-4.1/169/testReport/org.apache.cassandra.db.commitlog/CommitLogInitWithExceptionTest/testCommitLogInitWithException_compression/]
> Failed 1 times in the last 14 runs. Flakiness: 7%, Stability: 92%
> Stacktrace
> {code:java}
> java.lang.NullPointerException
> at
> org.apache.cassandra.db.commitlog.CommitLogInitWithExceptionTest.testCommitLogInitWithException(CommitLogInitWithExceptionTest.java:93)
> at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
> at java.base/java.lang.Thread.run(Thread.java:829)
> {code}
> {code:java}
> Standard Output
> INFO [main] 2022-09-25 11:43:16,512 Reflections.java:219 - Reflections took
> 1221 ms to scan 8 urls, producing 1756 keys and 6922 values
> INFO [main] 2022-09-25 11:43:17,480 Reflections.java:219 - Reflections took
> 907 ms to scan 8 urls, producing 1756 keys and 6922 values
> INFO [main] 2022-09-25 11:43:17,573 YamlConfigurationLoader.java:104 -
> Configuration location:
> file:////home/cassandra/cassandra/build/test/cassandra.compressed.yaml
> DEBUG [main] 2022-09-25 11:43:17,574 YamlConfigurationLoader
> ...[truncated 35568 chars]...
> .apache.cassandra.db.commitlog.CommitLogInitWithExceptionTest$MockCommitLogSegmentMgr.createSegment(CommitLogInitWithExceptionTest.java:106)
> at
> org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager$AllocatorRunnable.run(AbstractCommitLogSegmentManager.java:155)
> at
> org.apache.cassandra.concurrent.InfiniteLoopExecutor.loop(InfiniteLoopExecutor.java:121)
> at
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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