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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-624) NoClassDefFoundError Failed Dataflow Streaming Job
Date Fri, 09 Sep 2016 17:44:22 GMT


ASF GitHub Bot commented on BEAM-624:

GitHub user markflyhigh opened a pull request:

    [BEAM-624] Revert Backoff Classes to Fix NoClassDefFoundError in Dataflow Streaming Job

    Be sure to do all of the following to help us incorporate your contribution
    quickly and easily:
     - [x] Make sure the PR title is formatted like:
       `[BEAM-<Jira issue #>] Description of pull request`
     - [x] Make sure tests pass via `mvn clean verify`. (Even better, enable
           Travis-CI on your fork and ensure the whole test matrix passes).
     - [x] Replace `<Jira issue #>` in the title with the actual Jira issue
           number, if there is one.
     - [ ] If this contribution is large, please file an Apache
           [Individual Contributor License Agreement](
     - Restore AttemptBounded/AttemptAndTimeBounded backoff classes which are removed from
in order to fix NoClassDefFoundError. No code changes.
     - Add @Deprecated to classes and @SuppressWarnings("deprecation") to tests.

You can merge this pull request into a Git repository by running:

    $ git pull revert-backoff-class-to-fix-dataflow-streaming

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #938
commit 51c73a29f53f0be621bcd42c2b2845cff0ef960d
Author: Mark Liu <>
Date:   2016-09-09T17:25:12Z

    Revert Backoff Classes to Fix Worker Dependency Error


> NoClassDefFoundError Failed Dataflow Streaming Job
> --------------------------------------------------
>                 Key: BEAM-624
>                 URL:
>             Project: Beam
>          Issue Type: Bug
>            Reporter: Mark Liu
>            Assignee: Mark Liu
> NoClassDefFoundError when running streaming job on Dataflow service.
> Full stacktrace here when :
> {code}
> (bb04a33113307d77): Exception: java.lang.NoClassDefFoundError: org/apache/beam/sdk/util/AttemptBoundedExponentialBackOff$UnboundedReaderIterator.advance($SynchronizedReaderIterator.advance($500($
java.util.concurrent.ThreadPoolExecutor.runWorker( java.util.concurrent.ThreadPoolExecutor$
> {code}
> Retore AttemptBounded/AttemptAndTimeBounded backoff classes which are removed in this
commit[1] in order to pass Dataflow streaming job against at HEAD.
> [1]

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