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https://issues.apache.org/jira/browse/CASSANDRA-15683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Petrov updated CASSANDRA-15683:
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Component/s: (was: Test/dtest/python)
Test/dtest/java
> Fix NPE in SimpleReadWriteTest after test framework behavior change
> -------------------------------------------------------------------
>
> Key: CASSANDRA-15683
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15683
> Project: Cassandra
> Issue Type: Bug
> Components: Test/dtest/java
> Reporter: Kevin Gallardo
> Assignee: Kevin Gallardo
> Priority: Normal
> Fix For: 4.0, 4.0-alpha4
>
>
> In JVM dtests, all exceptions thrown in a request execution used to be always
> wrapped in a RuntimeException.
> After CASSANDRA-15650 changes, the behavior has been changed to: If the
> exception is a RuntimeException, just rethrow it, otherwise wrap in
> RuntimeException, as you can see in:
> [https://github.com/apache/cassandra/commit/dfc279a22a5563ac7a832a586914d5410426e9b7#diff-0b019281b7e97248577c82af0e663ef4R211]
> This causes the tests that were always extracting the cause from the wrapping
> RuntimeException before, to check the root cause of the error, to throw a NPE
> when they call {{getCause()}}, tests such as
> {{SimpleReadWriteTest#readWithSchemaDisagreement}} and
> {{SimpleReadWriteTest#writeWithSchemaDisagreement}}.
> Can be fixed by simply not unwrapping the cause in those tests, use the
> thrown exception directly, if the behavior of "not always wrapping in
> RuntimeException" is agreed to be correct.
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