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https://issues.apache.org/jira/browse/CASSANDRA-8308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14211250#comment-14211250
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Joshua McKenzie commented on CASSANDRA-8308:
--------------------------------------------
This looks like a test-only artifact from schemaloader attempting to delete
files that are opened as RAF in Windows which causes the error. As done in
CASSANDRA-4050, converting the CommitLogSegment to nio would resolve this
deletion sharing issue, however we rely on having an integer FD for
trySkipCache calls; I'm not seeing an immediate method to get a FileDescriptor
for a FileChannel. If I can track something down in that vein I'll pursue
converting CommitLogSegment to nio so we can avoid potential future access
violations. If not, refactoring the AbstractCommitLogService to allow stopping
and restarting (rather than relying on the ctor only for functionality) should
allow us to better test that component.
> Windows: Commitlog access violations on unit tests
> --------------------------------------------------
>
> Key: CASSANDRA-8308
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8308
> Project: Cassandra
> Issue Type: Bug
> Reporter: Joshua McKenzie
> Assignee: Joshua McKenzie
> Priority: Minor
> Labels: Windows
> Fix For: 3.0
>
>
> We have four unit tests failing on trunk on Windows, all with
> FileSystemException's related to the SchemaLoader:
> {noformat}
> [junit] Test
> org.apache.cassandra.db.compaction.DateTieredCompactionStrategyTest FAILED
> [junit] Test org.apache.cassandra.cql3.ThriftCompatibilityTest FAILED
> [junit] Test org.apache.cassandra.io.sstable.SSTableRewriterTest FAILED
> [junit] Test org.apache.cassandra.repair.LocalSyncTaskTest FAILED
> {noformat}
> Example error:
> {noformat}
> [junit] Caused by: java.nio.file.FileSystemException:
> build\test\cassandra\commitlog;0\CommitLog-5-1415908745965.log: The process
> cannot access the file because it is being used by another process.
> [junit]
> [junit] at
> sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:86)
> [junit] at
> sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:97)
> [junit] at
> sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:102)
> [junit] at
> sun.nio.fs.WindowsFileSystemProvider.implDelete(WindowsFileSystemProvider.java:269)
> [junit] at
> sun.nio.fs.AbstractFileSystemProvider.delete(AbstractFileSystemProvider.java:103)
> [junit] at java.nio.file.Files.delete(Files.java:1079)
> [junit] at
> org.apache.cassandra.io.util.FileUtils.deleteWithConfirm(FileUtils.java:125)
> {noformat}
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