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https://issues.apache.org/jira/browse/DERBY-5222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13032918#comment-13032918
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Kristian Waagan commented on DERBY-5222:
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If that's how the test works, the theory sounds very reasonable.
Regarding improvements, I'd opt for fixing the test logic and keeping
BaseTestCase.removeDirectory as it is, exactly for the reason you mention, even
though the method has actually succeeded in removing the directory.
> Compatibility tests fail to delete database directory
> -----------------------------------------------------
>
> Key: DERBY-5222
> URL: https://issues.apache.org/jira/browse/DERBY-5222
> Project: Derby
> Issue Type: Bug
> Components: Test
> Affects Versions: 10.9.0.0
> Reporter: Knut Anders Hatlen
> Attachments: d5222-1a-logging.diff
>
>
> The compatibility tests fail frequently on one platform (Solaris 10, x86
> (32-bit), Java 7 ea b131). For example here:
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.7/testing/testlog/sol32/1100759-compatibility_diff.txt
> From what's printed to the console, it looks like it fails to delete the
> database directory:
> > Failed deleting database dir
> > '/export/home/tmp/jagtmp/autoderbyN_regression/compatibility_3/log/wombat'
> And then, when running the actual test, it fails to create the log directory
> on that location (presumably because one already exists):
> Exception in thread "main" java.sql.SQLException: Failed to start database
> 'wombat' with class loader sun.misc.Launcher$AppClassLoader@53c015, see the
> next exception for details.
> (...)
> Caused by: java.sql.SQLException: cannot create log file at directory
> /export/home/tmp/jagtmp/autoderbyN_regression/compatibility_3/log/wombat/log.
> (...)
> Caused by: ERROR XSLAQ: cannot create log file at directory
> /export/home/tmp/jagtmp/autoderbyN_regression/compatibility_3/log/wombat/log.
> at org.apache.derby.iapi.error.StandardException.newException(Unknown
> Source)
> at
> org.apache.derby.impl.store.raw.log.LogToFile.getLogDirectory(Unknown Source)
> at
> org.apache.derby.impl.store.raw.log.LogToFile.getControlFileName(Unknown
> Source)
> at org.apache.derby.impl.store.raw.log.LogToFile.boot(Unknown Source)
> at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown
> Source)
> at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown
> Source)
> at
> org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
> at
> org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown
> Source)
> at
> org.apache.derby.impl.store.raw.data.BaseDataFileFactory.bootLogFactory(Unknown
> Source)
> at
> org.apache.derby.impl.store.raw.data.BaseDataFileFactory.setRawStoreFactory(Unknown
> Source)
> at org.apache.derby.impl.store.raw.RawStore.boot(Unknown Source)
> (...)
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