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https://issues.apache.org/jira/browse/XERCESJ-1431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12849828#action_12849828
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Marco Tulio Valente commented on XERCESJ-1431:
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Dear Michael,
For the purpose of my study, I just want to confirm if you have considered the
four mentioned warnings relevant?
Regards,
Marco Tulio.
> Findbugs Warnings
> -----------------
>
> Key: XERCESJ-1431
> URL: https://issues.apache.org/jira/browse/XERCESJ-1431
> Project: Xerces2-J
> Issue Type: Bug
> Components: Other
> Affects Versions: 2.8.1
> Reporter: Marco Tulio Valente
>
> Dear all,
> We are conducting an study about the relevance of the warnings reported by
> the FindBugs tool when executed over several open-source systems.
> Particularly, in the case of Xerces, we would like to confirm the relevance
> of the following warnings reported by the tool (for Xerces
> 2.8.1):
> Location: org.apache.xerces.impl.xpath.regex.RangeToken dumpRanges - Line 481
> Warning: Possible null pointer dereference. There is a branch of statement
> that, if executed, guarantees that a null value will be dereferenced
> Location: org.apache.xerces.impl.xpath.regex.RangeToken intersectRanges -
> Line 351
> Warning: Self comparison of value with itself. This method compares a local
> variable with itself, and may indicate a typo or a logic error.
> Location: org.apache.xerces.util.DOMUtil copyInto - Line 119
> Warning: Null pointer dereference. A null pointer is dereferenced here. This
> will lead to a NullPointerException when the code is executed.
> Location: org.apache.xerces.xinclude.XIncludeTextReader getReader - Line 181
> Warning: Null value is guaranteed to be dereferenced. There is a statement or
> branch that if executed guarantees that a value is null at this point, and
> that value that is guaranteed to be dereferenced
> Since these warnings seemed relevant to us, we would like to confirm our
> classification with Xerces's developers.
> Best regards,
> Marco Tulio Valente
> Brazil
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