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https://issues.apache.org/jira/browse/ARROW-1948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16302686#comment-16302686
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ASF GitHub Bot commented on ARROW-1948:
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BryanCutler opened a new pull request #1447: ARROW-1948: [Java] Load ListVector
validity buffer with BitVectorHelper to handle all non-null
URL: https://github.com/apache/arrow/pull/1447
Need to properly set the ListVector validity buffer for the case when the
field has all non-nulls. This is done already in
`BitVectorHelper.loadValidityBuffer`, so just need to build the buffer with a
call to that function.
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> [Java] ListVector does not handle ipc with all non-null values with none set
> ----------------------------------------------------------------------------
>
> Key: ARROW-1948
> URL: https://issues.apache.org/jira/browse/ARROW-1948
> Project: Apache Arrow
> Issue Type: Bug
> Components: Java - Vectors
> Affects Versions: 0.8.0
> Reporter: Bryan Cutler
> Assignee: Bryan Cutler
> Labels: pull-request-available
>
> It is valid for ipc to send a validity buffer with no values set that
> indicate all values are non-null. This is already handled by all vectors
> except ListVector, which will throw an invalid index exception when this is
> the case because it does not build the validity buffer with all elements set.
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