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https://issues.apache.org/jira/browse/SOLR-5065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13718459#comment-13718459
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Robert Muir commented on SOLR-5065:
-----------------------------------
{quote}
I'd be willing to chalk this up to a bug/limitation in NumberFormat
{quote}
This isn't the case at all. see my previous comment on this issue.
The purpose of this class is entirely different, and the instance being used is
not geared at parsing scientific or programming language formats, instead
localized ones. This is clear from the javadocs.
> ParseDoubleFieldUpdateProcessorFactory is unable to parse "+" in exponent
> -------------------------------------------------------------------------
>
> Key: SOLR-5065
> URL: https://issues.apache.org/jira/browse/SOLR-5065
> Project: Solr
> Issue Type: Bug
> Components: update
> Affects Versions: 4.4
> Reporter: Jack Krupansky
>
> The ParseDoubleFieldUpdateProcessorFactory is unable to parse the full syntax
> of Java/JSON scientific notation. Parse fails for "4.5E+10", but does succeed
> for "4.5E10" and "4.5E-10".
> Using the schema and config from example-schemaless, I added this data:
> {code}
> curl "http://localhost:8983/solr/update?commit=true"; \
> -H 'Content-type:application/json' -d '
> [{"id": "doc-1",
> "a1": "Hello World",
> "a2": 123,
> "a3": 123.0,
> "a4": 1.23,
> "a5": 4.5E+10,
> "a6": "123",
> "a7": true,
> "a8": false,
> "a9": "true",
> "a10": "2013-07-22",
> "a11": 4.5E10,
> "a12": 4.5E-10,
> "a13": "4.5E+10",
> "a14": "4.5E10",
> "a15": "4.5E-10"}]'
> {code}
> A query returns:
> {code}
> <doc>
> <str name="id">doc-1</str>
> <arr name="a1">
> <str>Hello World</str>
> </arr>
> <arr name="a2">
> <long>123</long>
> </arr>
> <arr name="a3">
> <double>123.0</double>
> </arr>
> <arr name="a4">
> <double>1.23</double>
> </arr>
> <arr name="a5">
> <double>4.5E10</double>
> </arr>
> <arr name="a6">
> <long>123</long>
> </arr>
> <arr name="a7">
> <bool>true</bool>
> </arr>
> <arr name="a8">
> <bool>false</bool>
> </arr>
> <arr name="a9">
> <bool>true</bool>
> </arr>
> <arr name="a10">
> <date>2013-07-22T00:00:00Z</date>
> </arr>
> <arr name="a11">
> <double>4.5E10</double>
> </arr>
> <arr name="a12">
> <double>4.5E-10</double>
> </arr>
> <arr name="a13">
> <str>4.5E+10</str>
> </arr>
> <arr name="a14">
> <double>4.5E10</double>
> </arr>
> <arr name="a15">
> <double>4.5E-10</double>
> </arr>
> <long name="_version_">1441308941516537856</long></doc>
> {code}
> The input value of a13 was the same as a5, but was treated as a string,
> rather than parsed as a double. So, JSON/Java was able to parse "4.5E+10",
> but this update processor was not.
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