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https://issues.apache.org/jira/browse/LUCENE-4245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler updated LUCENE-4245:
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Attachment: LUCENE-4245.patch
Unfortunately more methods in CMS can throw ThreadInterruptedException, so
handle all cases and try hardest to clean up all running merge threads on close.
This example shows why it is better to let InterruptedException be handled as
checked Exception. With the original InterruptedException declared everywhere
and not converted to a RuntimeException, the need for cleanup in close() [which
is not allowed to throw InterrupotedException because Closeable interface] is
obvious and we are enforced to do it.
We should rethink about InterruptedException!
> IndexWriter#close(true) should either not be interruptible or should abort
> background merge threads before returning
> --------------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-4245
> URL: https://issues.apache.org/jira/browse/LUCENE-4245
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/index
> Reporter: Mark Miller
> Assignee: Uwe Schindler
> Priority: Minor
> Attachments: LUCENE-4245.patch, LUCENE-4245.patch
>
>
> Currently, there is no safe way to close a directory after closing the writer
> without causing an exception in a merge thread if the #close call is
> interrupted.
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