ajamato commented on a change in pull request #15597:
URL: https://github.com/apache/beam/pull/15597#discussion_r716935118
##########
File path:
sdks/java/harness/src/main/java/org/apache/beam/fn/harness/control/BeamFnControlClient.java
##########
@@ -102,18 +103,26 @@ public BeamFnControlClient(
}
@Override
- public void onNext(BeamFnApi.InstructionRequest value) {
- LOG.debug("Received InstructionRequest {}", value);
- executor.execute(
- () -> {
- try {
- BeamFnApi.InstructionResponse response =
delegateOnInstructionRequestType(value);
- sendInstructionResponse(response);
- } catch (Error e) {
- sendErrorResponse(e);
- throw e;
- }
- });
+ public void onNext(BeamFnApi.InstructionRequest request) {
+ try {
+ BeamFnLoggingMDC.setInstructionId(request.getInstructionId());
+ LOG.debug("Received InstructionRequest {}", request);
+ executor.execute(
+ () -> {
+ try {
+ BeamFnLoggingMDC.setInstructionId(request.getInstructionId());
Review comment:
nit: Maybe add a comment stating that the callback runs on a separate
thread, which is why we need to set the instruction id here as well, might not
be obvious to every reader.
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