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https://issues.apache.org/jira/browse/BEAM-6513?focusedWorklogId=190326&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-190326
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ASF GitHub Bot logged work on BEAM-6513:
----------------------------------------
Author: ASF GitHub Bot
Created on: 26/Jan/19 06:07
Start Date: 26/Jan/19 06:07
Worklog Time Spent: 10m
Work Description: amaliujia commented on pull request #7636: [BEAM-6513]
Fix NPE in BeamEnumerableConverter.
URL: https://github.com/apache/beam/pull/7636
`ConcurrentLinkedQueue` that is used during collecting does not permit
`null` as value. In fact, I find typical Java concurrent Queue/Array data
structures do not permit `null` as value, including blocking queue/array.
There are two ways to walk around it. One way is what is implemented in this
PR. Another way is to use a normal LinkedList but does a synchronization in
ParDo.
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Post-Commit Tests Status (on master branch)
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Lang | SDK | Apex | Dataflow | Flink | Gearpump | Samza | Spark
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Go | [](https://builds.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/)
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Java | [](https://builds.apache.org/job/beam_PostCommit_Java/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Java_PVR_Flink_Batch/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Java_PVR_Flink_Streaming/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Gearpump/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Samza/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/lastCompletedBuild/)
Python | [](https://builds.apache.org/job/beam_PostCommit_Python_Verify/lastCompletedBuild/)
| --- | [](https://builds.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/)
</br> [](https://builds.apache.org/job/beam_PostCommit_Py_ValCont/lastCompletedBuild/)
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Issue Time Tracking
-------------------
Worklog Id: (was: 190326)
Time Spent: 10m
Remaining Estimate: 0h
> BeamEnumerableConverter doest not handle Null during collecting values
> ----------------------------------------------------------------------
>
> Key: BEAM-6513
> URL: https://issues.apache.org/jira/browse/BEAM-6513
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql
> Reporter: Rui Wang
> Assignee: Rui Wang
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
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