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https://issues.apache.org/jira/browse/CALCITE-3739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Feng Zhu resolved CALCITE-3739.
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Fix Version/s: 1.22.0
Resolution: Fixed
> Remove failed snapshot track file in Windows OS for Cassandra adapter
> ---------------------------------------------------------------------
>
> Key: CALCITE-3739
> URL: https://issues.apache.org/jira/browse/CALCITE-3739
> Project: Calcite
> Issue Type: Bug
> Components: cassandra-adapter
> Reporter: Feng Zhu
> Priority: Major
> Fix For: 1.22.0
>
> Attachments: screen.png
>
>
> In Windows OS, CassandraUnit leaves an extra "cassandra/.toDelete" snapshot
> track file.
> After migrating to Gradle, it is flagged as "unapproved license" and fails
> on "rat" task.
> It is annoying to manually delete this file every time.
> !screen.png!
> The issue is also mentioned in CALCITE-2442. But I found the snapshot file
> still exists with the fix.
> {code:java}
> @AfterClass
> public static void tearDown() {
> if (RULE instanceof CassandraCQLUnit) {
> CassandraCQLUnit rule = (CassandraCQLUnit) RULE;
> rule.getSession().close();
> rule.getCluster().close();
> // see https://issues.apache.org/jira/browse/CALCITE-2442
> // see https://issues.apache.org/jira/browse/CASSANDRA-13085
> // Is it done by cluster.close() already ?
> if (FBUtilities.isWindows) {
> WindowsFailedSnapshotTracker.deleteOldSnapshots();
> }
> }
> }
> {code}
> I make some profling work. It seems that the snapshot track file is locked by
> other threads.
> "The process cannot access the file because it is being used by another
> process."
> Any ideas?
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