[jira] [Updated] (SPARK-18772) Unnecessary conversion try and some missing cases for special floats in JSON

["Hyukjin Kwon (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-18772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon updated SPARK-18772:
---------------------------------
    Summary: Unnecessary conversion try and some missing cases for special floats in JSON  (was: Parsing JSON with some NaN and Infinity values throws NumberFormatException)

> Unnecessary conversion try and some missing cases for special floats in JSON
> ----------------------------------------------------------------------------
>
>                 Key: SPARK-18772
>                 URL: https://issues.apache.org/jira/browse/SPARK-18772
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.0.2
>            Reporter: Nathan Howell
>            Priority: Minor
>
> JacksonParser tests for infinite and NaN values in a way that is not supported by the underlying float/double parser. For example, the input string is always lowercased to check for {{-Infinity}} but the parser only supports titlecased values. So a {{-infinitY}} will pass the test but fail with a {{NumberFormatException}} when parsing. This exception is not caught anywhere and the task ends up failing.
> A related issue is that the code checks for {{Inf}} but the parser only supports the long form of {{Infinity}}.



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