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https://issues.apache.org/jira/browse/ARROW-1817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16271757#comment-16271757
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ASF GitHub Bot commented on ARROW-1817:
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BryanCutler commented on issue #1375: ARROW-1817: [Java] Configure JsonReader
to read floating point NaN values
URL: https://github.com/apache/arrow/pull/1375#issuecomment-348029682
Given that the issue was only on the Java side and it's not standard JSON, I
would say not to bother with the C++ reader and integration tests for now.
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> Configure JsonFileReader to read NaN for floats
> -----------------------------------------------
>
> Key: ARROW-1817
> URL: https://issues.apache.org/jira/browse/ARROW-1817
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Java - Vectors
> Reporter: Bryan Cutler
> Assignee: Bryan Cutler
> Labels: pull-request-available
> Fix For: 0.8.0
>
>
> There is a Spark unit test that includes reading JSON floating point values
> that are NaN's (validity bit is set). The Jackson parser in Arrow version
> 0.4 allowed for these by default, but looks like the updated version requires
> the conf {{ALLOW_NON_NUMERIC_NUMBERS}} to allow this.
> https://fasterxml.github.io/jackson-core/javadoc/2.2.0/com/fasterxml/jackson/core/JsonParser.Feature.html#ALLOW_NON_NUMERIC_NUMBERS
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