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https://issues.apache.org/jira/browse/CURATOR-106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15979303#comment-15979303
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ASF GitHub Bot commented on CURATOR-106:
----------------------------------------

GitHub user srdo opened a pull request:

    https://github.com/apache/curator/pull/215

     CURATOR-106: Ensure background operations happen in the background thread 
to avoid stack overflows when retrying guaranteed operations

    See 
https://issues.apache.org/jira/browse/CURATOR-106?focusedCommentId=15979112&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15979112
    
    Also a few tests in TestNamespaceFacade were not passing because they were 
using blank connect strings. I'd be happy to open a separate issue for that 
change if necessary, or remove it if I misunderstood the tests.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/srdo/curator CURATOR-106

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/curator/pull/215.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #215
    
----
commit 2422c2be094835e84161919b3fee5e4c872d4397
Author: Stig Rohde Døssing <[email protected]>
Date:   2017-04-21T20:03:27Z

    CURATOR-106: Ensure background operations happen in the background thread 
to avoid stack overflows when retrying guaranteed operations

commit e7bf733d91460117d19958221b4902f4b99efb2e
Author: Stig Rohde Døssing <[email protected]>
Date:   2017-04-21T20:03:58Z

    CURATOR-106: Fix flaky unit test

----


> Issuing a guaranteed delete can cause stack overflow if ZK is not reachable
> ---------------------------------------------------------------------------
>
>                 Key: CURATOR-106
>                 URL: https://issues.apache.org/jira/browse/CURATOR-106
>             Project: Apache Curator
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: 2.4.2
>            Reporter: Jasdeep Hundal
>             Fix For: awaiting-response
>
>
> For guaranteed deletes (eg. lock releases) that fail, the FailedDeleteManager 
> issues another guaranteed delete here:
> https://github.com/apache/curator/blob/master/curator-framework/src/main/java/org/apache/curator/framework/imps/FailedDeleteManager.java#L35
> In an environment where ZK has the potential to be down for an extended 
> period of time, this has the potential to recurse until there is a stack 
> overflow (particularly if the application is using multiple locks.)



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