Cameron Zemek created CASSANDRA-17955:
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Summary: Race condition on repair snapshots
Key: CASSANDRA-17955
URL: https://issues.apache.org/jira/browse/CASSANDRA-17955
Project: Cassandra
Issue Type: Bug
Reporter: Cameron Zemek
If an endpoint is convicted and that endpoint is a coordinator then
ActiveRepairService::
removeParentRepairSession is called.
The issue is that this occurs on clearSnapshotExecutor and can happen while
RepairMessageVerbHandler is in process of taking a snapshot. So then you get a
race condition and clearSnapshot will throw a
java.nio.file.DirectoryNotEmptyException
{code:java}
public static void deleteRecursiveWithThrottle(File dir, RateLimiter
rateLimiter)
{
if (dir.isDirectory())
{
String[] children = dir.list();
for (String child : children)
deleteRecursiveWithThrottle(new File(dir, child), rateLimiter);
}
// The directory is now empty so now it can be smoked
deleteWithConfirmWithThrottle(dir, rateLimiter);
} {code}
Due to the directory not being empty when it goes to remove the directory at
the end.
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