Ben Sidhom created BEAM-4149:
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Summary: Java SDK Harness should populate worker id in control
plane headers
Key: BEAM-4149
URL: https://issues.apache.org/jira/browse/BEAM-4149
Project: Beam
Issue Type: Bug
Components: sdk-java-harness
Reporter: Ben Sidhom
Assignee: Luke Cwik
The Java SDK harness currently does nothing to populate control plane headers
with the harness worker id. This id is necessary in order to identify harnesses
when multiple are run from the same runner control server.
Note that this affects the _Java_ harness specifically (e.g., when running a
local process or in-memory harness). When the harness launched within the
docker container, the go boot code takes care of setting this:
https://github.com/apache/beam/blob/dffe50924f34d3cc994008703f01e802c99913d2/sdks/java/container/boot.go#L70
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