Intermittent failure in
AutomaticIndexStatisticsTest.testShutdownWhileScanningThenDelete on Windows
---------------------------------------------------------------------------------------------------
Key: DERBY-5108
URL: https://issues.apache.org/jira/browse/DERBY-5108
Project: Derby
Issue Type: Bug
Components: Test
Affects Versions: 10.8.0.0
Environment: Windows platforms.
Reporter: Kristian Waagan
The test AutomaticIndexStatisticsTest.testShutdownWhileScanningThenDelete fails
intermittently on Windows platforms because the test is unable to delete a
database directory.
Even after several retries and sleeps (the formula should be (attempt -1) *
2000, resulting in a total sleep time of 12 seconds), the conglomerate
system\singleUse\copyShutdown\seg0\c481.dat cannot be deleted.
For instance from
http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.6/testing/testlog/w2003/1078855-suitesAll_diff.txt
:
(truncated paths)
testShutdownWhileScanningThenDelete <assertDirectoryDeleted> attempt 1 left 3
files/dirs behind: 0=system\singleUse\copyShutdown\seg0\c481.dat
1=system\singleUse\copyShutdown\seg0 2=system\singleUse\copyShutdown
<assertDirectoryDeleted> attempt 2 left 3 files/dirs behind:
0=system\singleUse\copyShutdown\seg0\c481.dat
1=system\singleUse\copyShutdown\seg0 2=system\singleUse\copyShutdown
<assertDirectoryDeleted> attempt 3 left 3 files/dirs behind:
0=system\singleUse\copyShutdown\seg0\c481.dat
1=system\singleUse\copyShutdown\seg0 2=system\singleUse\copyShutdown
<assertDirectoryDeleted> attempt 4 left 3 files/dirs behind:
0=system\singleUse\copyShutdown\seg0\c481.dat
1=system\singleUse\copyShutdown\seg0 2=system\singleUse\copyShutdown
used 205814 ms F.
Maybe the database isn't shut down, or some specific timing of events causes a
file to be reopened when it shouldn't have been (i.e. after the database
shutdown has been initiated).
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