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https://issues.apache.org/jira/browse/CASSANDRA-1756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Dusbabek updated CASSANDRA-1756:
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Attachment:
v0-0001-StorageService.initClient-unit-test-that-never-finishe.txt
> DatabaseDescriptor static initialization circular reference when initialized
> through call to StorageService.instance.initClient
> --------------------------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-1756
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1756
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.7.0
> Reporter: Erik Onnen
> Assignee: Gary Dusbabek
> Priority: Minor
> Fix For: 0.7.0
>
> Attachments: CS-1756,
> v0-0001-StorageService.initClient-unit-test-that-never-finishe.txt
>
>
> In trunk, attempting to invoke StorageService.instance.initClient results in
> an NPE due to static definition field ordering in StorageService and a
> circular reference from DatabaseDescriptor back into an uninitialized field
> (scheduledTasks). Changing the ordering of the static fields such that
> scheduledTasks is defined before the static partitioner fixes the issue.
> I've also marked the scheduledTasks executor as final as it doesn't seem to
> make sense changing it.
> All tests pass with this change locally.
> I suspect this hasn't surfaced in tests as calling initServer first in the
> same JVM will allow later calls to initClient to see the correctly defined
> scheduledTasks fields.
> I'm following the recommended way to do this from ClientOnlyExample, if this
> isn't the right way to initialize things let me know.
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