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Posted to log4j-user@logging.apache.org by Jojo John <jo...@srishtisoft.com> on 2002/09/19 11:11:55 UTC

I am getting this run time version

Hi

I am getting this run time  error message when i tested a simple java 
programme using a file appender but the debug file is being made . i am 
getting this error at this line cat=Category.getInstance("hello").

log4j:ERROR Could not instantiate class [ExceptionRenderer].
java.lang.ClassNotFoundException: ExceptionRenderer
        at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:297)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:286)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:253)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:120)
        at org.apache.log4j.helpers.Loader.loadClass(Loader.java:164)
        at 
org.apache.log4j.helpers.OptionConverter.instantiateByClassName(OptionConverter.java:309)
        at org.apache.log4j.or.RendererMap.addRenderer(RendererMap.java:41)
        at 
org.apache.log4j.PropertyConfigurator.parseCatsAndRenderers(PropertyConfigurator.java:531)
        at 
org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:408)
        at 
org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:432)
        at 
org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:460)
        at org.apache.log4j.LogManager.<clinit>(LogManager.java:145)
        at org.apache.log4j.Category.getInstance(Category.java:514)
        at testlog.main(testlog.java:11)
regards
jojo



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Re: I am getting this run time version

Posted by Ceki Gülcü <ce...@qos.ch>.
You are apparently using a renderer, [ExceptionRenderer] to be exact. Can 
you supply your config file as well?

At 14:41 19.09.2002 +0530, you wrote:
>Hi
>
>I am getting this run time  error message when i tested a simple java 
>programme using a file appender but the debug file is being made . i am 
>getting this error at this line cat=Category.getInstance("hello").
>
>log4j:ERROR Could not instantiate class [ExceptionRenderer].
>java.lang.ClassNotFoundException: ExceptionRenderer
>        at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>        at java.lang.ClassLoader.loadClass(ClassLoader.java:297)
>        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:286)
>        at java.lang.ClassLoader.loadClass(ClassLoader.java:253)
>        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)
>        at java.lang.Class.forName0(Native Method)
>        at java.lang.Class.forName(Class.java:120)
>        at org.apache.log4j.helpers.Loader.loadClass(Loader.java:164)
>        at 
> org.apache.log4j.helpers.OptionConverter.instantiateByClassName(OptionConverter.java:309)
>        at org.apache.log4j.or.RendererMap.addRenderer(RendererMap.java:41)
>        at 
> org.apache.log4j.PropertyConfigurator.parseCatsAndRenderers(PropertyConfigurator.java:531)
>        at 
> org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:408)
>        at 
> org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:432)
>        at 
> org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:460)
>        at org.apache.log4j.LogManager.<clinit>(LogManager.java:145)
>        at org.apache.log4j.Category.getInstance(Category.java:514)
>        at testlog.main(testlog.java:11)
>regards
>jojo

--
Ceki

TCP implementations will follow a general principle of robustness: be
conservative in what you do, be liberal in what you accept from
others. -- Jon Postel, RFC 793



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