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https://issues.apache.org/jira/browse/CASSANDRA-15688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17077585#comment-17077585
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Jon Meredith commented on CASSANDRA-15688:
------------------------------------------
Rebased since original submission and rerun due to lots of unrelated test
issues.
Updated CircleCI
[Java8|https://circleci.com/workflow-run/4648ff9c-fa8d-4506-8052-80a6d68037f4]
[Java11|https://circleci.com/workflow-run/b8002437-eb82-4738-8b01-0f0351e28949]
> Invalid cdc_raw_directory prevents server startup
> -------------------------------------------------
>
> Key: CASSANDRA-15688
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15688
> Project: Cassandra
> Issue Type: Bug
> Components: Feature/Change Data Capture
> Reporter: Jon Meredith
> Assignee: Jon Meredith
> Priority: Normal
> Labels: pull-request-available
> Fix For: 4.0-rc
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> If {{cdc_raw_directory}} is set to an invalid directory it prevents startup
> of the server even when cdc_enabled is set false.
> The directory can either be set directly by the {{cdc_raw_directory}} setting
> in configuration YAML or indirectly via the {{cassandra.storage_dir}} system
> property, which is how I encountered it.
> Easy to reproduce by setting {{cdc_raw_directory}} to {{notadir/notasubdir}}
> Additionally while investigating, discovered that
> {{DatabaseDescriptor.guessFileStore}} can cause a {{NullPointerException}} if
> it runs out of parent elements
> before it can get a FileStore. It should provide a more useful
> ConfigurationException providing details on the problematic path.
> {{guessFileStore}} is used for checks on {{commitlog_directory}},
> {{cdc_raw_directory}} and {{data_file_directories}}.
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