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Posted to issues@cxf.apache.org by "Colm O hEigeartaigh (JIRA)" <ji...@apache.org> on 2018/06/25 14:28:00 UTC
[jira] [Commented] (CXF-7765) URITemplate.compareTemplates returns
inconsistent results
[ https://issues.apache.org/jira/browse/CXF-7765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16522338#comment-16522338 ]
Colm O hEigeartaigh commented on CXF-7765:
------------------------------------------
[~svella], could you submit a PR or a patch (and ideally a unit test in URITemplateTest)?
> URITemplate.compareTemplates returns inconsistent results
> ---------------------------------------------------------
>
> Key: CXF-7765
> URL: https://issues.apache.org/jira/browse/CXF-7765
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 3.1.15
> Reporter: Shon Vella
> Priority: Major
>
> When org.apache.cxf.jaxrs.model.URITemplate.compareTemplates() is passed two templates with the same number of literal characters, it returns -1 regardless of the order the templates a passed in. I suppose this may be on purpose, but the result is that if compareTemplates() is used as the basis of a Comparator<URITemplate> that is used by java.util.Collections.sort() it can result in:
> {{java.lang.IllegalArgumentException: Comparison method violates its general contract!}}
> I would also expect that this would result in some degree of unpredictability of the prioritization of when selecting the appropriate JAX-RS method to call for a given request.
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