TomCat error log

18-Jan-2011 7:26:39 AM org.apache.catalina.core.AprLifecycleListener init
INFO: Loaded APR based Apache Tomcat Native library 1.1.20.
18-Jan-2011 7:26:39 AM org.apache.catalina.core.AprLifecycleListener init
INFO: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
18-Jan-2011 7:26:42 AM org.apache.coyote.http11.Http11AprProtocol init
INFO: Initializing Coyote HTTP/1.1 on http-8888
18-Jan-2011 7:26:42 AM org.apache.coyote.ajp.AjpAprProtocol init
INFO: Initializing Coyote AJP/1.3 on ajp-8009
18-Jan-2011 7:26:42 AM org.apache.coyote.http11.Http11AprProtocol init
INFO: Initializing Coyote HTTP/1.1 on http-80
18-Jan-2011 7:26:42 AM org.apache.coyote.http11.Http11AprProtocol init
INFO: Initializing Coyote HTTP/1.1 on http-81
18-Jan-2011 7:26:42 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 4999 ms
18-Jan-2011 7:26:42 AM org.apache.catalina.realm.JAASRealm setContainer
INFO: Set JAAS app name stable
18-Jan-2011 7:26:42 AM org.apache.catalina.mbeans.ServerLifecycleListener createMBeans
SEVERE: createMBeans: Throwable
java.lang.NullPointerException
	at org.apache.catalina.mbeans.MBeanUtils.createObjectName(MBeanUtils.java:1086)
	at org.apache.catalina.mbeans.MBeanUtils.createMBean(MBeanUtils.java:504)
	at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:570)
	at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:366)
	at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:535)
	at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:498)
	at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:656)
	at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:628)
	at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:278)
	at org.apache.catalina.mbeans.ServerLifecycleListener.lifecycleEvent(ServerLifecycleListener.java:129)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:703)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
18-Jan-2011 7:26:42 AM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
18-Jan-2011 7:26:42 AM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.29
18-Jan-2011 7:26:42 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor host-manager.xml
18-Jan-2011 7:26:56 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor manager.xml
18-Jan-2011 7:26:57 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory docs
18-Jan-2011 7:26:58 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory ROOT
18-Jan-2011 7:27:05 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor host-manager.xml
18-Jan-2011 7:27:06 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor manager.xml
18-Jan-2011 7:27:07 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory docs
18-Jan-2011 7:27:08 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory ROOT
18-Jan-2011 7:27:08 AM org.apache.coyote.http11.Http11AprProtocol start
INFO: Starting Coyote HTTP/1.1 on http-8888
18-Jan-2011 7:27:09 AM org.apache.coyote.ajp.AjpAprProtocol start
INFO: Starting Coyote AJP/1.3 on ajp-8009
18-Jan-2011 7:27:09 AM org.apache.catalina.core.StandardService start
INFO: Starting service stable
18-Jan-2011 7:27:09 AM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.29
18-Jan-2011 7:27:09 AM org.apache.catalina.startup.Catalina start
SEVERE: Catalina.start:
LifecycleException:  Error initializaing :  java.lang.NullPointerException
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4380)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:445)
	at org.apache.catalina.core.StandardService.start(StandardService.java:519)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
18-Jan-2011 7:27:09 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 26783 ms