[CURATOR-654] DistributedBarrier watcher leak

[jira-importer]

The DistributedBarrier adds a zookeeper exists watcher in the waitOnBarrier() method. It appears as though the watcher is never removed. In a system where DistributedBarriers are used heavily this eventually results in the system running out of memory.

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Originally reported by sscott, imported from: DistributedBarrier watcher leak

• status: Open
• priority: Major
• resolution: Unresolved
• imported: 2025-01-21

[jira-importer]

tison:

Hi Stuart Scott! Thanks for your reporting. You can directly send a pull request against the GitHub repository https://github.com/apache/curator. And please add a test case to the patch.

[jira-importer]

JIRAUSER296525:

Hi Zili,

I have added tests and created a pull request.
https://github.com/apache/curator/pull/435

Stuart.

[jira-importer]

JIRAUSER296525:

Thanks. I've done that. https://github.com/apache/curator/pull/435

[jira-importer]

tison:

Thank you Stuart Scott! I may review this patch in this week. Sorry that I'm a bit busy on my $dayjob now