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From "Tilman Hausherr (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PDFBOX-3155) org.apache.pdfbox.util.PDFTextStripper class initialization throws NumberFormatException with recent Verona-enabled Java 9 JVMs
Date Tue, 08 Dec 2015 21:45:11 GMT

    [ https://issues.apache.org/jira/browse/PDFBOX-3155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15047516#comment-15047516
] 

Tilman Hausherr commented on PDFBOX-3155:
-----------------------------------------

But then all we have to do is to replace {{java.version}} with {{java.specification.version}},
right? I.e. this will return something beginning with "1.9" and not "9", correct?

> org.apache.pdfbox.util.PDFTextStripper class initialization throws NumberFormatException
with recent Verona-enabled Java 9 JVMs
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: PDFBOX-3155
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3155
>             Project: PDFBox
>          Issue Type: Bug
>    Affects Versions: 1.8.8, 1.8.10
>            Reporter: Uwe Schindler
>            Priority: Critical
>
> Lucene/Solr runs its whole testsuite also with Java 9 EA releases to trigger bugs early.
In our tests (Solr + TIKA) we found out that org.apache.pdfbox.util.PDFTextStripper throws
a NumberFormatException in its static initializer when parsing the "java.version" system property.
The reason for failure is a change in Java 9, where version numbers got a new format.
> There are 3 problems:
> - It should not assume that all components are really a number. So it should try/catch
NumberFormatException and assign some "unknown" version
> - The code should really use "java.specification.version". This is standardized and only
contains digits.
> - The code should also be prepared to handle version numbers without minor version! E.g.
Java 9 only has "9" instead of "1.9" as its main version number.
> For the use case I would nuke this check and find a better workaround.
> Relying on String parsing for non-standardized system properties in a static class initializer
is the reason why this bug is raised to level "Critical".



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