[jboss-dev] VFS3 (in AS trunk) - Non .jar file handling

Jaikiran Pai jpai at redhat.com
Wed Mar 10 06:24:00 EST 2010


Ales Justin wrote:
> <snip/>
>
> that mounts your .bak archive -- since "*" was used to filter the contents of jboss-service'xml' classpath.
>
> Putting "*.jar" there should fix your problem -- dunno if this should be the proper fix?
Tried that after Dimitris mentioned it. But only a * wildcard is 
supported in that attribute. It can't handle *.jar. The alternative is 
to explicitly mention the entire list of archives (which isn't 
practical). The documentation of "archives" attribute states:

<!-- The archives attribute specifies either the '*' wildcard to 
indicate all contents of the
codebase should be included, or a comma seperated list of the jars to 
include.
-->
<!ATTLIST classpath archives CDATA #IMPLIED>

regards,
-Jaikiran

>
> On Mar 10, 2010, at 11:46 AM, Dimitris Andreadis wrote:
>
>> I suppose you could control that from conf/jboss-service.xml?
>>
>> Still it's a different behavior, as you suggest
>>
>>
>> <server>
>>
>>    <!-- Load all jars from the JBOSS_HOME/server/<config>/lib directory and
>>         the shared JBOSS_HOME/common/lib directory. This can be restricted to
>>         specific jars by specifying them in the archives attribute.
>>         TODO: Move this configuration elsewhere
>>    -->
>>    <classpath codebase="${jboss.server.lib.url}" archives="*"/>
>>    <classpath codebase="${jboss.common.lib.url}" archives="*"/>
>>
>>
>> Jaikiran Pai wrote:
>>> I see a new behaviour with VFS3 in JBoss AS. Earlier in AS-5/6 (with 
>>> VFS2) and AS-4 (without any VFS), to try out some quick fixes, i used to 
>>> rename existing jar files to end with .bak name and replace them with 
>>> the new patched jar file. So for example, if i had a fix in 
>>> jboss-ejb3-core.jar, i would:
>>>
>>> 1) Rename the JBOSS_HOME/common/lib/jboss-ejb3-core.jar to 
>>> JBOSS_HOME/common/lib/jboss-ejb3-core.jar.orig.bak
>>> 2) Place a patched jboss-ejb3-core.jar in JBOSS_HOME/common/lib
>>> 3) Restart the server
>>>
>>> The server would then pickup the new patched jar file and ignore the 
>>> .bak file. After testing the fix, i would then revert back to the 
>>> original jar file by renaming it back to its original name.
>>>
>>> However, with the recent upgrade to VFS3 in AS trunk, i notice that even 
>>> the .bak is used for classloading (following is the output from 
>>> -verbose:class JVM argument):
>>>
>>> [Loaded org.jboss.ejb3.EJBContainer from 
>>> file:/NotBackedUp/jpai/business/jboss/wc/jbossas/trunk/build/target/jboss-6.0.0-SNAPSHOT/common/lib/jboss-ejb3-core.jar.orig.bak/]
>>>
>>> Looks like VFS3 picks up this non .jar suffix file for classloading. Is 
>>> this expected? Shouldn't it be looking for only .jar files (atleast in 
>>> this context)?
>>>
>>>
>>>
>>> regards,
>>> -Jaikiran
>>> _______________________________________________
>>> jboss-development mailing list
>>> jboss-development at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/jboss-development
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