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 <[email protected]
> 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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