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https://issues.apache.org/jira/browse/LUCENE-3150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13040791#comment-13040791
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Shai Erera commented on LUCENE-3150:
------------------------------------

We can fix IOUtils to do that -- now that we call it from many places in the 
code, it will catch a lot of instances. Also, perhaps we could have an 
Abortable interface and then call IOUtils from all places that impl abort() 
today.

> Wherever we catch & suppress Throwable we should not suppress 
> ThreadInterruptedException
> ----------------------------------------------------------------------------------------
>
>                 Key: LUCENE-3150
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3150
>             Project: Lucene - Java
>          Issue Type: Bug
>            Reporter: Michael McCandless
>            Priority: Minor
>             Fix For: 3.3, 4.0
>
>
> In various places we catch Throwable and suppress it, usually in exception 
> handlers where we want to just throw the first exc we had hit.
> But this is dangerous for a thread interrupt since it means we can swallow & 
> ignore the interrupt.
> We should at least catch the interrupt & restore the interrupt bit, if we 
> can't rethrow it.
> One example is in SegmentInfos where we write the segments.gen file... there 
> are many other examples in SegmentInfos too.

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