Kyle Weaver created BEAM-8293:
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Summary: Document or log file system issues with docker
Key: BEAM-8293
URL: https://issues.apache.org/jira/browse/BEAM-8293
Project: Beam
Issue Type: Improvement
Components: java-fn-execution
Reporter: Kyle Weaver
Assignee: Kyle Weaver
A frequently asked question about portability in the mailing list is, "Why am I
getting IOExceptions in my job?" where the answer is often, because the SDK
harness is using docker, which does not have access to the local filesystem by
default, so when users try to read/write via transforms or don't set a
artifact_staging_location, they get errors. We should at least document this on
the website. Even better would be to log something, especially for
artifact_staging_location, which is implicit and users might not be aware of.
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