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From Jean-Baptiste Onofré ...@nanthrax.net>
Subject Re: Using Log4j mail appender in Karaf with pax logging
Date Tue, 19 Jul 2011 05:47:55 GMT
Hi,

You have to install javax.mail bundle. This bundle is part of the jetty 
feature or you can install by hand:

osgi:install mvn:javax.mail/mail/1.4.3

Regards
JB

On 07/19/2011 01:01 AM, Sam Hendley wrote:
> Is it possible to use the log4j email appenders in karaf?
>
> I have been googling for a few hours and I have seen a number of partial
> answers but nothing definative one way or the other.
>
> Here is my SMTP appender configuration in org.ops4j.pax.logging.cfg
>
> log4j.appender.MAIL=org.apache.log4j.net.SMTPAppender
> log4j.appender.MAIL.BufferSize=10
> log4j.appender.MAIL.SMTPHost=xxxxx
> log4j.appender.MAIL.From=xxxxxx
> log4j.appender.MAIL.to <http://log4j.appender.MAIL.to>=xxxxx
> log4j.appender.MAIL.Subject=Error Alert
> log4j.appender.MAIL.layout=org.apache.log4j.PatternLayout
> log4j.appender.MAIL.layout.ConversionPattern=%d [%t] %-5p %c %x - %m%n
>
> and the exception I get:
>
> Jul 18, 2011 6:43:50 PM org.apache.karaf.main.SimpleFileLock lock
> INFO: locking
> 18 Jul 2011 18:43:50,484 ERROR [CM Configuration Updater (ManagedService
> Update: pid=org.ops4j.pax.logging)] org.apache.felix.configadmin (?:
> ?) [org.osgi.service.log.LogService,
> org.knopflerfish.service.log.LogService,
> org.ops4j.pax.logging.PaxLoggingService,
> org.osgi.service.cm.ManagedService, id=8, bundle=4]: Unexpected problem
> updating Configuration PID=org.ops4j.pax.logging, factoryPID=null,
> bundleLocation=mvn:org.ops4j.pax.logging/pax-logging-service/1.6.3-LOCATION
> java.lang.NoClassDefFoundError: javax/mail/MessagingException
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:169)
> at org.apache.log4j.helpers.Loader.loadClass(Loader.java:198)
> at
> org.apache.log4j.helpers.OptionConverter.instantiateByClassName(OptionConverter.java:326)
> at
> org.apache.log4j.helpers.OptionConverter.instantiateByKey(OptionConverter.java:123)
> at
> org.apache.log4j.PaxLoggingConfigurator.parseAppender(PaxLoggingConfigurator.java:81)
> at
> org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:735)
> at
> org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:615)
> at
> org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:502)
> at
> org.apache.log4j.PaxLoggingConfigurator.doConfigure(PaxLoggingConfigurator.java:57)
> at
> org.ops4j.pax.logging.service.internal.PaxLoggingServiceImpl.updated(PaxLoggingServiceImpl.java:187)
> at
> org.ops4j.pax.logging.service.internal.PaxLoggingServiceImpl$1ManagedPaxLoggingService.updated(PaxLoggingServiceImpl.java:321)
> at
> org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceUpdate.run(ConfigurationManager.java:1160)
> at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:104)
> at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.ClassNotFoundException:
> javax.mail.MessagingException not found by
> org.ops4j.pax.logging.pax-logging-service [4]
> at
> org.apache.felix.framework.ModuleImpl.findClassOrResourceByDelegation(ModuleImpl.java:787)
> at org.apache.felix.framework.ModuleImpl.access$400(ModuleImpl.java:71)
> at
> org.apache.felix.framework.ModuleImpl$ModuleClassLoader.loadClass(ModuleImpl.java:1768)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
> ... 15 more
>
> This seems to indicate that the log4j SMTPAppender class is being found
> correctly but then it cannot resolve the javax.mail package.
>
> What is the best way to get the javax.mail package available to the pax
> logging bundle? I found a number of postings that indicated this
> requires an update to the jre or config properties file but I hesitate
> to start randomly changing things I dont understand.
>
> Thanks!
>
> Sam Hendley
>
> PS: The following are the pages I found that seem to relate to this topic:
>
> Eclispe specific way of adding javax.mail
> http://forums.pragprog.com/forums/103/topics/3736
>
> General javax.mail in OSGi writeup
> http://thecarlhall.wordpress.com/2009/10/27/javamail-in-osgi/
>
> Using javax.mail in OSGi from camel list
> http://camel.465427.n5.nabble.com/new-wiki-page-notes-on-mail-and-osgi-td4557069.html
>
>

-- 
Jean-Baptiste Onofré
jbonofre@apache.org
http://blog.nanthrax.net
Talend - http://www.talend.com

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