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From Scott Deboy <scott.de...@gmail.com>
Subject Re: Chainsaw- VFSLogFilePatternReceiver-class not found exception
Date Mon, 24 May 2010 14:21:07 GMT
The Chainsaw download page has a link to important distribution notes,  
which apply to the vfs receiver. Follow the instructions there:

http://logging.apache.org/chainsaw/distributionnotes.html

Scott



On May 24, 2010, at 2:53 AM, Prashant Patil <prashant_patil@persistent.co.in 
 > wrote:

>
>
> Hello All,
>
> I am using apache chainsaw log analyzer. I have extracted and  
> chainsaw zip and double clicked on the bat file.
> Have defined VFSLogFilePatternReceiver to read remote log file.
>
> It is giving me exception:
>
> LOG4J-INTERNAL: 2010-05-24 15:17:12,874 ERROR [main]  
> org.apache.log4j.helpers.OptionConverter#instantiateByClassName: 
> 363)- Could not instantiate object of class  
> [org.apache.log4j.chainsaw.vfs.VFSLogFi
> lePatternReceiver].
> java.lang.ClassNotFoundException:  
> org.apache.log4j.chainsaw.vfs.VFSLogFilePatternReceiver
>        at java.net.URLClassLoader$1.run(Unknown Source)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at java.net.URLClassLoader.findClass(Unknown Source)
>        at java.lang.ClassLoader.loadClass(Unknown Source)
>        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
>        at java.lang.ClassLoader.loadClass(Unknown Source)
>        at java.lang.ClassLoader.loadClassInternal(Unknown Source)
>        at java.lang.Class.forName0(Native Method)
>        at java.lang.Class.forName(Unknown Source)
>        at org.apache.log4j.helpers.Loader.loadClass(Loader.java:171)
>        at  
> org.apache.log4j.helpers.OptionConverter.instantiateByClassName 
> (OptionConverter.java:340)
>        at org.apache.log4j.joran.action.PluginAction.begin 
> (PluginAction.java:48)
>        at org.apache.log4j.joran.spi.Interpreter.callBeginAction 
> (Interpreter.java:239)
>        at org.apache.log4j.joran.spi.Interpreter.startElement 
> (Interpreter.java:131)
>        at org.apache.log4j.joran.spi.JoranDocument 
> $StartElementEvent.replay(JoranDocument.java:225)
>        at org.apache.log4j.joran.spi.JoranDocument.replay 
> (JoranDocument.java:113)
>        at org.apache.log4j.joran.JoranConfigurator.doConfigure 
> (JoranConfigurator.java:170)
>        at org.apache.log4j.joran.JoranConfigurator.doConfigure 
> (JoranConfigurator.java:89)
>        at  
> org.apache.log4j.chainsaw.LogUI.loadConfigurationUsingPluginClassLoader( 
> LogUI.java:1892)
>        at org.apache.log4j.chainsaw.LogUI.createChainsawGUI 
> (LogUI.java:325)
>        at org.apache.log4j.chainsaw.LogUI.main(LogUI.java:256)
> LOG4J-INTERNAL: 2010-05-24 15:17:12,874 ERROR [main]  
> org.apache.log4j.joran.action.PluginAction#begin:74)- Could not  
> create a plugin. Reported error follows.
> java.lang.NullPointerException
>        at org.apache.log4j.joran.action.PluginAction.begin 
> (PluginAction.java:58)
>        at org.apache.log4j.joran.spi.Interpreter.callBeginAction 
> (Interpreter.java:239)
>        at org.apache.log4j.joran.spi.Interpreter.startElement 
> (Interpreter.java:131)
>        at org.apache.log4j.joran.spi.JoranDocument 
> $StartElementEvent.replay(JoranDocument.java:225)
>        at org.apache.log4j.joran.spi.JoranDocument.replay 
> (JoranDocument.java:113)
>        at org.apache.log4j.joran.JoranConfigurator.doConfigure 
> (JoranConfigurator.java:170)
>        at org.apache.log4j.joran.JoranConfigurator.doConfigure 
> (JoranConfigurator.java:89)
>        at  
> org.apache.log4j.chainsaw.LogUI.loadConfigurationUsingPluginClassLoader( 
> LogUI.java:1892)
>        at org.apache.log4j.chainsaw.LogUI.createChainsawGUI 
> (LogUI.java:325)
>        at org.apache.log4j.chainsaw.LogUI.main(LogUI.java:256)
> .
> .
> .
> .
> .
>
> Could anybody help me out to fix the problem?
>
>
>        Warm Regards,
>    Prashant
>
>
>
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