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[xwiki-users] injecting logger causes cryptic errors

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Edward Knyshov

3 Sep 2016 3 Sep '16

1:45 p.m.

I'm trying to inject xwiki logger using @Inject Logger logger; But when I start xwiki I get totally broken app and following errors in my logs: https://gist.github.com/edvorg/f6d5205b51ae32b71faf527d9a80302c Has anybody met this before? Thanks, Edward.

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Thomas Mortagne

3 Sep 3 Sep

7:35 p.m.

This is a Sisu error. For some reason your component is found as a Plexus component (in which injected Logger does not make any sense since that's a XWiki component thing). Need to understand why now. The way org.xwiki.extension.repository.aether.internal.components.PlexusContainerProvideris configured (1) it's supposed to search for plexus index files. 1: https://github.com/xwiki/xwiki-commons/blob/master/xwiki-commons-core/xwiki… On Sat, Sep 3, 2016 at 1:45 PM, Edward Knyshov <edvorg(a)gmail.com> wrote:

I'm trying to inject xwiki logger using @Inject Logger logger; But when I start xwiki I get totally broken app and following errors in my logs: https://gist.github.com/edvorg/f6d5205b51ae32b71faf527d9a80302c Has anybody met this before? Thanks, Edward. _______________________________________________ users mailing list users(a)xwiki.org http://lists.xwiki.org/mailman/listinfo/users

-- Thomas Mortagne

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Vincent Massol

4 Sep 4 Sep

7:26 p.m.

Hi Edward,

On 03 Sep 2016, at 13:45, Edward Knyshov <edvorg(a)gmail.com> wrote: I'm trying to inject xwiki logger using @Inject Logger logger; But when I start xwiki I get totally broken app and following errors in my logs: https://gist.github.com/edvorg/f6d5205b51ae32b71faf527d9a80302c Has anybody met this before? Thanks, Edward.

This could be a classloading issue. JBoss/Wildfly has been to know to be quite bad in the past at isolating classloaders by default. What could happen is that some plexus version and configuration is done by Wildfly that interferes with the XWiki webapp. I’ve tried to reproduce the issue by downloading and starting xwiki in Wildfly 10.1.0.Final (servlet only) and hit another classloader problem: https://gist.github.com/vmassol/2f0d9014858cd8f73892a7166382f416 From what I could see the problem is that the javax.xml.bind JAR is not present in Wildfly 10.1.0.Final (servlet only). So I downloaded and installed the full JavaEE one and it went further (note to self: find and document how to make the servlet only version work) but I still got an error: https://gist.github.com/vmassol/8f176418af6bfbae173e06d45dcab34a I was able to solve this by telling Wildfly to disable implicit bean archives, see https://docs.jboss.org/author/display/WFLY10/CDI+Reference I added a META-INF/jboss-all.xml with the following content: <jboss xmlns="urn:jboss:1.0"> <weld xmlns="urn:jboss:weld:1.0" require-bean-descriptor="true"/> </jboss> Note to self: open a jira issue and commit this to make the XWiki WAR ready for wildfly deployment. Then it worked :) There are of course a lot of warnings but no error. So I didn’t get your error it seems. Thanks -Vincent

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Vincent Massol

5 Sep 5 Sep

9:59 a.m.

Hi Edward,

On 04 Sep 2016, at 19:26, Vincent Massol <vincent(a)massol.net> wrote: Hi Edward,

On 03 Sep 2016, at 13:45, Edward Knyshov <edvorg(a)gmail.com> wrote: I'm trying to inject xwiki logger using @Inject Logger logger; But when I start xwiki I get totally broken app and following errors in my logs: https://gist.github.com/edvorg/f6d5205b51ae32b71faf527d9a80302c Has anybody met this before? Thanks, Edward.

This could be a classloading issue. JBoss/Wildfly has been to know to be quite bad in the past at isolating classloaders by default. What could happen is that some plexus version and configuration is done by Wildfly that interferes with the XWiki webapp. I’ve tried to reproduce the issue by downloading and starting xwiki in Wildfly 10.1.0.Final (servlet only) and hit another classloader problem: https://gist.github.com/vmassol/2f0d9014858cd8f73892a7166382f416 From what I could see the problem is that the javax.xml.bind JAR is not present in Wildfly 10.1.0.Final (servlet only). So I downloaded and installed the full JavaEE one and it went further (note to self: find and document how to make the servlet only version work) but I still got an error: https://gist.github.com/vmassol/8f176418af6bfbae173e06d45dcab34a I was able to solve this by telling Wildfly to disable implicit bean archives, see https://docs.jboss.org/author/display/WFLY10/CDI+Reference I added a META-INF/jboss-all.xml with the following content: <jboss xmlns="urn:jboss:1.0"> <weld xmlns="urn:jboss:weld:1.0" require-bean-descriptor="true"/> </jboss> Note to self: open a jira issue and commit this to make the XWiki WAR ready for wildfly deployment.

I’ve now committed the fix in http://jira.xwiki.org/browse/XWIKI-13678 Also, I’m getting the error you had, see http://jira.xwiki.org/browse/XWIKI-13678?focusedCommentId=92572&page=co… It’s a warning though so it doesn’t prevent XWiki from deploying. We still need to figure out how to avoid it for a cleaner deployment. Thanks -Vincent

Then it worked :) There are of course a lot of warnings but no error. So I didn’t get your error it seems. Thanks -Vincent

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Edward Knyshov
Thomas Mortagne
Vincent Massol