Feng Zhu created CALCITE-3739:
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Summary: 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
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.
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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