Jon Meredith created CASSANDRA-16385:
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Summary: Correctly serialize all request responses -
CASSANDRA-15946 followup
Key: CASSANDRA-16385
URL: https://issues.apache.org/jira/browse/CASSANDRA-16385
Project: Cassandra
Issue Type: Improvement
Components: Test/dtest/java
Reporter: Jon Meredith
Assignee: Jon Meredith
When receiving a message, a 4.0 dtest instance reserializes messages to pass
them through the dtest message filtering.
The 4.0 internode messaging refactor does not expect to have to re-serialize
response
messages, so the workaround in CASSANDRA-15946 was just to register the
ReadResponse serializer for all REQUEST_RESPONSE messages, however request
response is used for other responses too.
I'm attaching a patch that demonstrates the issue by adding a simple Paxos
upgrade test to generate a PrepareResponse message that crashes the
ReadResponse serializer, then reverts CASSANDRA-15946 and re-users the
messaging service serialization method that checks the request callback if a
serializer is not defined.
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