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https://issues.apache.org/jira/browse/CASSANDRA-17593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17534004#comment-17534004
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David Capwell commented on CASSANDRA-17593:
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[~bereng] fixed the tests; it is a init issue where HintService init happens on
shutdown, and touches a thread pool that was halted.
> StorageService read threshold get methods throw NullPointerException due to
> not handling null configs
> -----------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-17593
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17593
> Project: Cassandra
> Issue Type: Bug
> Components: Observability/JMX
> Reporter: David Capwell
> Assignee: David Capwell
> Priority: Normal
> Fix For: 4.1
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> org.apache.cassandra.service.StorageService#getCoordinatorLargeReadWarnThreshold
> and other similar get methods touch the following null configs
> {code}
> public volatile DataStorageSpec coordinator_read_size_warn_threshold = null;
> public volatile DataStorageSpec coordinator_read_size_fail_threshold = null;
> public volatile DataStorageSpec local_read_size_warn_threshold = null;
> public volatile DataStorageSpec local_read_size_fail_threshold = null;
> public volatile DataStorageSpec row_index_read_size_warn_threshold = null;
> public volatile DataStorageSpec row_index_read_size_fail_threshold = null
> {code}
> Null is a valid state for these configs, so null must be handled in the get
> methods; they currently are not and throw NullPointerException when accessed
> via JMX
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