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https://issues.apache.org/jira/browse/CASSANDRA-15269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17409352#comment-17409352
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Benjamin Lerer commented on CASSANDRA-15269:
--------------------------------------------
Sorry, I realize that my commit description was confusing. The
{{ClassCastException}} is happening on the server NOT on the driver side but it
is occuring while the sever serialize the message to the driver. The new unit
test check exactly the code path that was leading to the
{{ClassCastException}} .
> Cassandra fails to process OperationExecutionException which causes
> ClassCastException
> --------------------------------------------------------------------------------------
>
> Key: CASSANDRA-15269
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15269
> Project: Cassandra
> Issue Type: Bug
> Components: CQL/Interpreter
> Reporter: Liudmila Kornilova
> Assignee: Berenguer Blasi
> Priority: Normal
> Fix For: 4.0.x
>
>
> While working on CASSANDRA-15232 I noticed that OperationExecutionException
> is not processed correctly.
> How to reproduce the issue:
> 1. {{create table d (numerator decimal primary key, denominator decimal);}}
> 2. {{insert into d (numerator, denominator) values
> (123456789112345678921234567893123456, 2);}}
> 3. {{select numerator % denominator from d;}}
> What happens:
> 1. remainder operation throws ArithmeticException (BigDecimal:1854)
> 2. The exception is wrapped in OperationExecutionException
> 3. ClassCastException appears (OperationExecutionException cannot be cast to
> FunctionExecutionException at ErrorMessage.java:280)
> What should happen:
> OperationExecutionException with message "the operation 'decimal % decimal'
> failed: Division impossible" should be delivered to user
> Note that after fixing CASSANDRA-15232 {{select numerator % denominator from
> d;}} will produce correct result of remainder operation.
> Currently I am not aware of other cases when OperationExecutionException may
> be treated as FunctionExecutionException
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