Does this happen often? If you restart Tomcat (stop/start), does it happen. Can you reproduce the problem consistently?
Thanks, Matt On 8/8/07, BruceLee <[EMAIL PROTECTED]> wrote: > > Team, > When I start tomcat, I got java.lang.NullPointerException on log4j. But I > didn't change anything on log4j except set > log4j.rootCategory=DEBUG, stdout > in log4j.properties. Any ideas? > Thanks! -Mike > > ---catalina.log--- > Aug 9, 2007 12:50:07 AM org.apache.catalina.core.AprLifecycleListener > lifecycleEvent > INFO: The Apache Tomcat Native library which allows optimal performance in > production environments was not found on the java.library.path: > D:\Programs\Apache Software Foundation\Tomcat > 5.5\bin;.;C:\Windows\system32;C:\Windows;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Program > Files\MySQL\MySQL Server > 5.0\bin;D:\Programs\apache-ant-1.6.5-bin\apache-ant-1.6.5\bin;C:\Program > Files\QuickTime\QTSystem\ > Aug 9, 2007 12:50:08 AM org.apache.coyote.http11.Http11BaseProtocol init > INFO: Initializing Coyote HTTP/1.1 on http-8080 > Aug 9, 2007 12:50:08 AM org.apache.catalina.startup.Catalina load > INFO: Initialization processed in 2103 ms > Aug 9, 2007 12:50:08 AM org.apache.catalina.core.StandardService start > INFO: Starting service Catalina > Aug 9, 2007 12:50:08 AM org.apache.catalina.core.StandardEngine start > INFO: Starting Servlet Engine: Apache Tomcat/5.5.23 > Aug 9, 2007 12:50:08 AM org.apache.catalina.core.StandardHost start > INFO: XML validation disabled > Aug 9, 2007 12:50:11 AM org.apache.catalina.core.StandardContext start > SEVERE: Error listenerStart > Aug 9, 2007 12:50:11 AM org.apache.catalina.core.StandardContext start > SEVERE: Context [/cmnweb] startup failed due to previous errors > Aug 9, 2007 12:50:12 AM org.apache.catalina.core.StandardContext processTlds > SEVERE: Error reading tld listeners java.lang.NullPointerException > java.lang.NullPointerException > at org.apache.log4j.spi.LocationInfo.<init>(LocationInfo.java:104) > at > org.apache.log4j.spi.LoggingEvent.getLocationInformation(LoggingEvent.java:191) > at > org.apache.log4j.helpers.PatternParser$LocationPatternConverter.convert(PatternParser.java:483) > at > org.apache.log4j.helpers.PatternConverter.format(PatternConverter.java:64) > at org.apache.log4j.PatternLayout.format(PatternLayout.java:503) > at org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:301) > at org.apache.log4j.WriterAppender.append(WriterAppender.java:159) > at > org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:230) > at > org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:65) > at org.apache.log4j.Category.callAppenders(Category.java:203) > at org.apache.log4j.Category.forcedLog(Category.java:388) > at org.apache.log4j.Category.log(Category.java:853) > at > org.apache.commons.logging.impl.Log4JLogger.debug(Log4JLogger.java:171) > at > org.apache.catalina.startup.TldConfig.tldScanResourcePaths(TldConfig.java:576) > at org.apache.catalina.startup.TldConfig.execute(TldConfig.java:283) > at > org.apache.catalina.core.StandardContext.processTlds(StandardContext.java:4307) > at > org.apache.catalina.core.StandardContext.start(StandardContext.java:4144) > at > org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760) > at > org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740) > at > org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544) > at > org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626) > at > org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553) > at > org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488) > at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138) > at > org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) > at > org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120) > at > org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022) > at org.apache.catalina.core.StandardHost.start(StandardHost.java:736) > at > org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014) > at > org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) > at > org.apache.catalina.core.StandardService.start(StandardService.java:448) > at > org.apache.catalina.core.StandardServer.start(StandardServer.java:700) > at org.apache.catalina.startup.Catalina.start(Catalina.java:552) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) > at java.lang.reflect.Method.invoke(Unknown Source) > at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295) > at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433) > -- > View this message in context: > http://www.nabble.com/java.lang.NullPointerException-on-log4j-tf4240736s2369.html#a12066869 > Sent from the AppFuse - 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