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https://issues.apache.org/jira/browse/CASSANDRA-14791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16641314#comment-16641314
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Jay Zhuang commented on CASSANDRA-14791:
----------------------------------------
The root cause of this test failure is not because {{/tmp/}} directory is not
writable. But because the unittest generated tmp files
{{/tmp/na-1-big-Data.db}} and {{/tmp/na-1-big-CompressionInfo.db}} are not
deleted after the test. So I guess on these nodes, the test was run by other
user, which left the tmp files that the current user cannot override. I'm able
to reproduce the same error message by:
{noformat}
sudo chown root:root /tmp/na-1-big-Data.db
{noformat}
Here is a patch for trunk:
| Branch | uTest |
| [14791|https://github.com/cooldoger/cassandra/tree/14791] |
[!https://circleci.com/gh/cooldoger/cassandra/tree/14791.svg?style=svg!|https://circleci.com/gh/cooldoger/cassandra/tree/14791]
|
Passed the tests in Jenkins:
https://builds.apache.org/view/A-D/view/Cassandra/job/Cassandra-devbranch-testall/36/testReport/org.apache.cassandra.streaming.compression/CompressedInputStreamTest/
> [utest] tests unable to write system tmp directory
> --------------------------------------------------
>
> Key: CASSANDRA-14791
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14791
> Project: Cassandra
> Issue Type: Task
> Components: Testing
> Reporter: Jay Zhuang
> Priority: Minor
>
> Some tests are failing from time to time because it cannot write to directory
> {{/tmp/}}:
> https://builds.apache.org/view/A-D/view/Cassandra/job/Cassandra-trunk-test/lastCompletedBuild/testReport/org.apache.cassandra.streaming.compression/CompressedInputStreamTest/testException/
> {noformat}
> java.lang.RuntimeException: java.nio.file.AccessDeniedException:
> /tmp/na-1-big-Data.db
> at
> org.apache.cassandra.io.util.SequentialWriter.openChannel(SequentialWriter.java:119)
> at
> org.apache.cassandra.io.util.SequentialWriter.<init>(SequentialWriter.java:152)
> at
> org.apache.cassandra.io.util.SequentialWriter.<init>(SequentialWriter.java:141)
> at
> org.apache.cassandra.io.compress.CompressedSequentialWriter.<init>(CompressedSequentialWriter.java:82)
> at
> org.apache.cassandra.streaming.compression.CompressedInputStreamTest.testCompressedReadWith(CompressedInputStreamTest.java:119)
> at
> org.apache.cassandra.streaming.compression.CompressedInputStreamTest.testException(CompressedInputStreamTest.java:78)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.nio.file.AccessDeniedException: /tmp/na-1-big-Data.db
> at
> sun.nio.fs.UnixException.translateToIOException(UnixException.java:84)
> at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
> at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
> at
> sun.nio.fs.UnixFileSystemProvider.newFileChannel(UnixFileSystemProvider.java:177)
> at java.nio.channels.FileChannel.open(FileChannel.java:287)
> at java.nio.channels.FileChannel.open(FileChannel.java:335)
> at
> org.apache.cassandra.io.util.SequentialWriter.openChannel(SequentialWriter.java:100)
> {noformat}
> I guess it's because some Jenkins slaves don't have proper permission set.
> For slave {{cassandra16}}, the tests are fine:
> https://builds.apache.org/view/A-D/view/Cassandra/job/Cassandra-trunk-test/723/testReport/junit/org.apache.cassandra.streaming.compression/CompressedInputStreamTest/testException/history/
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