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https://issues.apache.org/jira/browse/BEAM-10231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17184210#comment-17184210
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Beam JIRA Bot commented on BEAM-10231:
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This issue was marked "stale-P2" and has not received a public comment in 14
days. It is now automatically moved to P3. If you are still affected by it, you
can comment and move it back to P2.
> Connecting data channel blocks getting ProcessBundleResponse
> ------------------------------------------------------------
>
> Key: BEAM-10231
> URL: https://issues.apache.org/jira/browse/BEAM-10231
> Project: Beam
> Issue Type: Bug
> Components: java-fn-execution
> Reporter: Boyuan Zhang
> Priority: P3
>
> In Java runner harness shared library code, the ActivateBundle is returned
> only when data channel is connected:
> https://github.com/apache/beam/blob/master/runners/java-fn-execution/src/main/java/org/apache/beam/runners/fnexecution/control/SdkHarnessClient.java#L268-L283.
> But the SDK can fail the bundle and sent the ProcessBundleResponse with
> error before registering data channel, e.g, throwing exceptions when creating
> FnApiDoFnRunner. This results in the runner gets timeout
> error(https://github.com/apache/beam/blob/master/runners/java-fn-execution/src/main/java/org/apache/beam/runners/fnexecution/data/GrpcDataService.java#L182)
> and doesn't populate possible error in ProcessBundleResponse. We need to
> find a way to abort sooner and populate correct error message.
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