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https://issues.apache.org/jira/browse/ARROW-6040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Micah Kornfield resolved ARROW-6040.
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Fix Version/s: 0.15.0
Resolution: Fixed
Issue resolved by pull request 4960
[https://github.com/apache/arrow/pull/4960]
> [Java] Dictionary entries are required in IPC streams even when empty
> ---------------------------------------------------------------------
>
> Key: ARROW-6040
> URL: https://issues.apache.org/jira/browse/ARROW-6040
> Project: Apache Arrow
> Issue Type: Bug
> Components: Java
> Reporter: Steven Fackler
> Assignee: Ji Liu
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.15.0
>
> Time Spent: 5h 40m
> Remaining Estimate: 0h
>
> Java's ArrowReader requires that dictionaries are sent in an IPC stream:
> [https://github.com/apache/arrow/blob/master/java/vector/src/main/java/org/apache/arrow/vector/ipc/ArrowReader.java#L196-L200].
> However, as noted in ARROW-6006, that is not required if the stream contains
> no values.
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