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From wangke <keow...@hotmail.com>
Subject RE: Problems with log4j 2
Date Sun, 24 Mar 2013 18:35:18 GMT
Here it is:log4j-1.2-api-2.0-beta4log4j-api-2.0-beta4log4j-core-2.0-beta4-testslog4j-core-2.0-beta4log4j-flume-ng-2.0-beta4log4j-jcl-2.0-beta4log4j-slf4j-impl-2.0-beta4log4j-to-slf4j-2.0-beta4slf4j-api-1.7.2slf4j-ext-1.7.2

> Subject: Re: Problems with log4j 2
> From: ralph.goers@dslextreme.com
> Date: Sun, 24 Mar 2013 08:27:24 -0700
> To: log4j-user@logging.apache.org
> 
> Can you provide the list of jars you have on your classpath?
> 
> Ralph
> 
> On Mar 23, 2013, at 11:08 PM, wangke wrote:
> 
> > Hi all:
> > I am trying to get this simple example working, I included all the jars in apache-log4j-2.0-beta4-bin
> > 
> > import org.apache.logging.log4j.LogManager;import org.apache.logging.log4j.Logger;
public class HelloWorld {    private static Logger logger = LogManager.getLogger("HelloWorld");
   public static void main(String[] args) {        logger.info("Hello, World!");    }}
> > Here is the exception I am getting in eclipse:Exception in thread "main" java.lang.NoClassDefFoundError:
org/slf4j/spi/LocationAwareLogger
> > 	at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
> > 	at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:342)
> > 	at test.HelloWorld.<clinit>(HelloWorld.java:7)
> > Caused by: java.lang.ClassNotFoundException: org.slf4j.spi.LocationAwareLogger
> > 	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> > 	at java.security.AccessController.doPrivileged(Native Method)
> > 	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> > 	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> > 	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> > 	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
> > 	... 3 more
> > Then I've added slf4j-api-1.7.2.jar. I've still couldn't get it working with what
looks like a non-terminated recursive loop eventually overflowing my stack.Exception in thread
"main" java.lang.StackOverflowError
> > 	at java.lang.Throwable.getStackTraceDepth(Native Method)
> > 	at java.lang.Throwable.getOurStackTrace(Throwable.java:588)
> > 	at java.lang.Throwable.getStackTrace(Throwable.java:582)
> > 	at org.slf4j.helpers.Log4JLoggerFactory.getContext(Log4JLoggerFactory.java:75)
> > 	at org.slf4j.helpers.Log4JLoggerFactory.getLogger(Log4JLoggerFactory.java:45)
> > 	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
> > 	at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
> > 	at org.slf4j.helpers.Log4JLoggerFactory.getLogger(Log4JLoggerFactory.java:52)
> > 	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
> > 	at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
> > 	at org.slf4j.helpers.Log4JLoggerFactory.getLogger(Log4JLoggerFactory.java:52)
> > 	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
> > 	at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
> > 	at org.slf4j.helpers.Log4JLoggerFactory.getLogger(Log4JLoggerFactory.java:52)
> > 	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
> > 	at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
> > 	at org.slf4j.helpers.Log4JLoggerFactory.getLogger(Log4JLoggerFactory.java:52)
> > 	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
> > 	at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
> > 	at org.slf4j.helpers.Log4JLoggerFactory.getLogger(Log4JLoggerFactory.java:52)
> > 	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
> > 	at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
> > 	at org.slf4j.helpers.Log4JLoggerFactory.getLogger(Log4JLoggerFactory.java:52)
> > 	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
> > 	at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
> > 	at org.slf4j.helpers.Log4JLoggerFactory.getLogger(Log4JLoggerFactory.java:52)
> > 	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
> > 	at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
> > 	at org.slf4j.helpers.Log4JLoggerFactory.getLogger(Log4JLoggerFactory.java:52)
> > 	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
> > 	at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
> > 	at org.slf4j.helpers.Log4JLoggerFactory.getLogger(Log4JLoggerFactory.java:52)
> > 	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
> > 	at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
> > 	at org.slf4j.helpers.Log4JLoggerFactory.getLogger(Log4JLoggerFactory.java:52)
> > 	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270) 
> > Can anybody pls help? Thanks a lot.
> > Ke 		 	   		   		 	   		   		 	   		   		 	   		  
> 
> 
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