GitHub user jkff opened a pull request:
https://github.com/apache/beam/pull/3693
[BEAM-2734] Unbreaks some Dataflow ValidatesRunner tests
This is a partial revert of https://github.com/apache/beam/pull/3649,
changing UnboundedReadFromBoundedSource to be identical to the version before
that PR.
The Source is serialized in the pipeline and deserialized on the worker
using the worker's different (fixed per-worker) version of
runners-core-construction so the serialVersionUID has to match.
This Source does not declare a serialVersionUID, so one is computed by the
JVM automatically, and in practice that means the class needs to be completely
identical.
The current PR is a quick emergency fix. The right solution is I suppose to
declare a serialVersionUID for everything serializable in
runners-core-construction, or to make the worker not contain a fixed version of
runners-core-construction (not sure if it's feasible) - but it's outside the
scope of this PR.
R: @tgroh
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jkff/incubator-beam unbreak-serialization
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/3693.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3693
----
commit fc0c3c00613ab6524d621353ea44b5fb0646bcfa
Author: Eugene Kirpichov <[email protected]>
Date: 2017-08-04T23:46:42Z
[BEAM-2734] Unbreaks some Dataflow ValidatesRunner tests
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