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https://issues.apache.org/jira/browse/CALCITE-4727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17397741#comment-17397741
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John Bodley commented on CALCITE-4727:
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[~elserj] sorry I can't provide an encapsulated example. The error above was
provided from running Tableau Desktop communicating to a custom local Avatica
server.
Is the second link I provided which refers to the following line
{code}
@JsonSubTypes.Type(value = RpcMetadataResponse.class, name = "rpcMetadata")
{code}
maybe the culprit from the JSON serialization path?
> Possible incorrect RpcMetadata JSON reference
> ---------------------------------------------
>
> Key: CALCITE-4727
> URL: https://issues.apache.org/jira/browse/CALCITE-4727
> Project: Calcite
> Issue Type: Bug
> Components: avatica
> Reporter: John Bodley
> Priority: Trivial
>
> Per [CALCITE-4367|https://issues.apache.org/jira/browse/CALCITE-4367] the
> RpMetadata JSON reference is missing the required `response` field. As
> discussed in the issue and per
> [here|https://github.com/apache/calcite-avatica/blob/89e0deb510311b85b8c8bacde6d2ff70c309930e/core/src/main/java/org/apache/calcite/avatica/remote/Service.java#L2668-L2678],
> though this isn't an actual response is does seem to expect a response type
> signature.
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