[jboss-dev] jaxen in AS

[Dimitris Andreadis]

Is quite simple actually: every component declares all it's direct dependencies and whatever 
tool is used can validate the whole graph.

Fernando Nasser wrote:
> Alejandro Guizar wrote:
>> dom4j also uses jaxen to provide xpath features. Don't know if any 
>> other component in AS uses xpath, tough.
>>
>> Re: declaring dependencies, how far a component should go? jbpm-bpel 
>> uses hibernate. In turn, hibernate uses cglib (among other stuff). 
>> jbpm-bpel does not use cglib directly, but will not run if cglib is 
>> not present. Should jbpm-bpel declare cglib?
>>
> 
> What I think Thomas is suggesting is that jbpm-bpel declare hibernate 
> and hibernate declare cglib.
> 
> This is how it works in the RPM world by the way.
> 
> Fernando
> 
> 
>> -Alejandro
>>
>> Steve Ebersole wrote:
>>> jdom also has a dependency on jaxen, although it depends on which 
>>> features of jdom you use (specifically jdom uses jaxen for xpath 
>>> stuff, although its a weird inter-dependency thing from what i 
>>> recall).  Anyway, Hibernate requires jdom; however, Hibernate itself 
>>> does not use any of the jaxen-related capabilities of jdom and thus 
>>> does not require jaxen be present on the classpath for its own use...
>>>
>>> Thomas Diesler wrote:
>>>> I see that jaxen.jar is not included in AS50. Therefore the current
>>>> jbpem-bpel.sar (1.1.0-Beta4) which also does not include jaxen anymore
>>>> but depends on it does not run in AS50
>>>>
>>>> What other component uses jaxen? If there is none, then jbpem-bpel.sar
>>>> should include jaxen.jar
>>>>
>>>> More generally, I suggest we radically remove all thirdparty jars that
>>>> are not referenced from component-info.xml and make it a requirement
>>>> that a component declares its dependencies. This should avoid the
>>>> problem of carrying over stale thirdparty jars that nobody knows what
>>>> they are used for.
>>>>
>>>> In other words, to answer the question: What component uses jar X? I
>>>> only need to scan the component-info.xml(s) for X
>>>>
>>>> cheers
>>>> -thomas
>>>>
>>>>   
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