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From "Craig Phillips" <lcphill...@praxiseng.com>
Subject RE: using pax-logger/log4j in embedded felix (class loader issue)
Date Mon, 07 Jul 2008 11:39:00 GMT
Hi, Attached... Craig

PS - Note: this basic setup works fine if you run felix.jar standalone;
I think the key error log entry is:
whereas object of type "org.apache.log4j.ConsoleAppender" was loaded by
[WebappClassLoader

-----Original Message-----
From: Karl Pauls [mailto:karlpauls@gmail.com] 
Sent: Monday, July 07, 2008 7:33 AM
To: dev@felix.apache.org
Subject: Re: using pax-logger/log4j in embedded felix (class loader
issue)

Could you maybe post your complete config.properties?

regards,

Karl

On Mon, Jul 7, 2008 at 12:59 PM, Craig Phillips
<lcphillips@praxiseng.com> wrote:
> Hi, I probably need to direct this to PAX, but I'll try here (felix
dev)
> first... Sorry to trouble you, if anyone with felix class loader
> intimacy could take a look, I'd be appreciative... for a logger, this
> isn't critical and I'll probably just write my own simple FileLogger
> that implements LogService, but I suspect there are bigger issues at
> play... Some background...
>
>
>
> I'm embedding felix in a class that is being run within a tomcat
web-app
> (dot.jsp initiated - just as a driver/tester); Hence, I'm doing a 'new
> Felix(map, list)' and invoking the 'felix.start()' method... Here's my
> config.properties auto.start list:
>
>
>
> file:../webapps/craigbox/WEB-INF/lib/org.apache.felix.shell-1.0.1.jar
\
>
> file:../webapps/craigbox/WEB-INF/lib/org.osgi.compendium-1.0.1.jar \
>
> file:../webapps/craigbox/WEB-INF/lib/org.apache.felix.scr-1.0.0.jar \
>
>
file:../webapps/craigbox/WEB-INF/lib/org.apache.felix.configadmin-1.0.1.
> jar \
>
> file:../webapps/craigbox/WEB-INF/lib/pax-confman-propsloader-0.2.1.jar
\
>
> file:../webapps/craigbox/WEB-INF/lib/pax-logging-api-1.0.0.jar \
>
> file:../webapps/craigbox/WEB-INF/lib/pax-logging-service-1.0.0.jar \
>
> file:../webapps/craigbox/WEB-INF/lib/org.craig.play.Play01.jar
>
>
>
> Anyway, here are the applicable ERROR log entries, seemingly coming
from
> pax:
>
>
>
> log4j:ERROR A "org.apache.log4j.ConsoleAppender" object is not
> assignable to a "
>
> org.apache.log4j.Appender" variable.
>
> log4j:ERROR The class "org.apache.log4j.Appender" was loaded by
>
> log4j:ERROR [7.0] whereas object of type
>
> log4j:ERROR "org.apache.log4j.ConsoleAppender" was loaded by
> [WebappClassLoader
>
>  delegate: false
>
>  repositories:
>
> ----------> Parent Classloader:
>
> org.apache.catalina.loader.StandardClassLoader@d1e604
>
> ].
>
> log4j:ERROR Could not instantiate appender named "A1".
>
> *DEBUG* Scheduling task ManagedService Update:
pid=org.ops4j.pax.logging
>
> *DEBUG* Running task ManagedService Update: pid=org.ops4j.pax.logging
>
> log4j:ERROR A "org.apache.log4j.ConsoleAppender" object is not
> assignable to a "
>
> org.apache.log4j.Appender" variable.
>
> log4j:ERROR The class "org.apache.log4j.Appender" was loaded by
>
> log4j:ERROR [7.0] whereas object of type
>
> log4j:ERROR "org.apache.log4j.ConsoleAppender" was loaded by
> [WebappClassLoader
>
>  delegate: false
>
>  repositories:
>
> ----------> Parent Classloader:
>
> org.apache.catalina.loader.StandardClassLoader@d1e604
>
> ].
>
> log4j:ERROR Could not instantiate appender named "A8".
>
> DEBUG: WIRE: 8.0 -> org.osgi.service.log -> 2.0
>
> DEBUG: WIRE: 8.0 -> org.craig.shell.telnet -> 8.0
>
> DEBUG: WIRE: 8.0 -> org.apache.felix.shell -> 1.0
>
> DEBUG: WIRE: 8.0 -> org.osgi.service.component -> 2.0
>
> log4j:WARN No appenders could be found for logger
> (org.ops4j.pax.logging.pax-log
>
> ging-service).
>
> log4j:WARN Please initialize the log4j system properly.
>
> DEBUG: WIRE: 4.0 -> org.osgi.service.log -> 2.0
>
>
>
> Any insight would be appreciated... not critical, but I suspect I'm
not
> going to see the last of class loader issues, especially in an
embedded
> environment...  Thanks, Craig Phillips
>
>
>
>



-- 
Karl Pauls
karlpauls@gmail.com

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