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From "Remko Popma (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LOG4J2-665) Unable to connect from log4j2 Client GUI to my application
Date Wed, 11 Jun 2014 23:25:01 GMT

    [ https://issues.apache.org/jira/browse/LOG4J2-665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14028577#comment-14028577
] 

Remko Popma commented on LOG4J2-665:
------------------------------------

Yes this is normal. The string that follows "LoggerContext: " is the name of the logger context
of the application that the GUI is monitoring. This name depends on many things. For web applications,
it often contains the webapp name (not always, depends on the container). If all loggers are
asynchronous (you started the app with -DLog4jContextSelector=org.apache.logging.log4j.core.async.AsyncLoggerContextSelector),
then you'll see the AsyncLoggerContext string. The fact that you're seeing a different string
is not a problem.

> Unable to connect from log4j2 Client GUI to my application
> ----------------------------------------------------------
>
>                 Key: LOG4J2-665
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-665
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: JMX
>    Affects Versions: 2.0-rc1
>         Environment: OS: OSX Mavericks 10.9.3
> IDE: Netbeans 8.0 (Build 201403101706)
> Java: 1.7.0_45; Java HotSpot(TM) 64-Bit Server VM 24.45-b08
> log4j: 2.0rc1
>            Reporter: Arthur Hsieh
>         Attachments: Screen Shot 2014-06-10 at 15.41.36.png, Screen Shot 2014-06-10 at
15.42.33.png, log4j2.xml
>
>
> I am unable to connect from the log4j2 Client GUI, regardless of whether running it as
a JConsole Plug-in, or running it as a standalone application.
> Below are details of what I've used in my attempts:
> My application
> - ran from Netbeans, with these VM arguments:
> -Djava.security.policy=~/Downloads/policy -Djavax.management.builder.initial= -Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=9010 -Dcom.sun.management.jmxremote.local.only=false -Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
> - I've tried various ports: 9010, 1099, 33445 etc
> - Content of my policy file (I've allowed everything):
> grant {
> permission java.security.AllPermission;
> };
> Running the Client GUI as a JConsole Plug-in
> - command I used to execute:
> jconsole -pluginpath ~/Downloads/Software/Development/Java/log4j/2.0/rc1/apache-log4j-2.0-rc1-bin/log4j-core-2.0-rc1.jar:~/Downloads/Software/Development/Java/log4j/2.0/rc1/apache-log4j-2.0-rc1-bin/log4j-jmx-gui-2.0-rc1.jar
> - The JConsole starts without issue, but I don't see the Log4j2 tab as per the manual
(http://logging.apache.org/log4j/2.x/manual/jmx.html)
> Running the Client GUI as a Stand-alone Application
> - command I used to execute (I'm running this from the directory where the JARs are:
> java -cp log4j-core-2.0-rc1.jar:log4j-jmx-gui-2.0-rc1.jar org.apache.logging.log4j.jmx.gui.ClientGUI
localhost:9010
> - however, i getting a java.lang.NoClassDefFoundError:
> Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: org/apache/logging/log4j/status/StatusLogger
>         at org.apache.logging.log4j.core.jmx.Server.<clinit>(Server.java:59)
>         at org.apache.logging.log4j.jmx.gui.Client.getStatusLoggerAdmin(Client.java:143)
>         at org.apache.logging.log4j.jmx.gui.ClientGUI.addWidgetForLoggerContext(ClientGUI.java:109)
>         at org.apache.logging.log4j.jmx.gui.ClientGUI.populateWidgets(ClientGUI.java:98)
>         at org.apache.logging.log4j.jmx.gui.ClientGUI.<init>(ClientGUI.java:81)
>         at org.apache.logging.log4j.jmx.gui.ClientGUI$2.run(ClientGUI.java:276)
>         at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
>         at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
>         at java.awt.EventQueue.access$200(EventQueue.java:103)
>         at java.awt.EventQueue$3.run(EventQueue.java:694)
>         at java.awt.EventQueue$3.run(EventQueue.java:692)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
>         at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
>         at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
>         at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
>         at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
>         at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
>         at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
>         at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
> Caused by: java.lang.ClassNotFoundException: org.apache.logging.log4j.status.StatusLogger
>         at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
>         at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
>         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
>         ... 20 more



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