Niranjan Jayakar created SPARK-46265:
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Summary: New assertions in AddArtifact RPC make the connect client
incompatible with older clusters
Key: SPARK-46265
URL: https://issues.apache.org/jira/browse/SPARK-46265
Project: Spark
Issue Type: Bug
Components: Connect
Affects Versions: 4.0.0
Reporter: Niranjan Jayakar
We added new assertions to the AddArtifact RPC -
[https://github.com/apache/spark/commit/d9c5f9d6#diff-d4744c7abd099c57d04746140aba3c20b93f1ac011f5915f963e0a3e0758690e]
As part of this change, we have also updated the RPC implementation to return
session id as part of its response.
Since the assertion depends on the session id to be present, it makes the
protocol incompatible such that newer Connect clients that apply this assertion
are incompatible with older clusters that don't have the corresponding service
side changes.
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