Error while starting up the server

[archana gangaiah]

I am getting the below error while starting the tomcat server.I had checked that there is nothing in tomcat-users.xml . Might be this is causing the issue. Please help me to resolve this issue.

Apr 14, 2011 9:45:57 AM org.apache.tomcat.util.digester.Digester fatalError
SEVERE: Parse Fatal Error at line -1 column -1: Premature end of file.
org.xml.sax.SAXParseException: Premature end of file.
	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(Unknown Source)
	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
	at com.sun.org.apache.xerces.internal.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1580)
	at org.apache.catalina.users.MemoryUserDatabase.open(MemoryUserDatabase.java:370)
	at org.apache.catalina.users.MemoryUserDatabaseFactory.getObjectInstance(MemoryUserDatabaseFactory.java:97)
	at org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:129)
	at javax.naming.spi.NamingManager.getObjectInstance(Unknown Source)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:792)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:152)
	at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:138)
	at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:108)
	at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.lifecycleEvent(GlobalResourcesLifecycleListener.java:80)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:676)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
	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:271)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Apr 14, 2011 9:45:57 AM org.apache.naming.NamingContext lookup
WARNING: Unexpected exception resolving reference
org.xml.sax.SAXParseException: Premature end of file.
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1580)
	at org.apache.catalina.users.MemoryUserDatabase.open(MemoryUserDatabase.java:370)
	at org.apache.catalina.users.MemoryUserDatabaseFactory.getObjectInstance(MemoryUserDatabaseFactory.java:97)
	at org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:129)
	at javax.naming.spi.NamingManager.getObjectInstance(Unknown Source)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:792)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:152)
	at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:138)
	at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:108)
	at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.lifecycleEvent(GlobalResourcesLifecycleListener.java:80)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:676)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
	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:271)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Apr 14, 2011 9:45:57 AM org.apache.catalina.mbeans.GlobalResourcesLifecycleListener createMBeans
SEVERE: Exception processing Global JNDI Resources
javax.naming.NamingException: Premature end of file.
	at org.apache.naming.NamingContext.lookup(NamingContext.java:804)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:152)
	at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:138)
	at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:108)
	at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.lifecycleEvent(GlobalResourcesLifecycleListener.java:80)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:676)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
	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:271)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Apr 14, 2011 9:45:57 AM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Apr 14, 2011 9:45:57 AM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/5.5.9
Apr 14, 2011 9:45:57 AM org.apache.tomcat.util.digester.Digester fatalError
SEVERE: Parse Fatal Error at line -1 column -1: Premature end of file.
org.xml.sax.SAXParseException: Premature end of file.
	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(Unknown Source)
	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
	at com.sun.org.apache.xerces.internal.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1580)
	at org.apache.catalina.users.MemoryUserDatabase.open(MemoryUserDatabase.java:370)
	at org.apache.catalina.users.MemoryUserDatabaseFactory.getObjectInstance(MemoryUserDatabaseFactory.java:97)
	at org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:129)
	at javax.naming.spi.NamingManager.getObjectInstance(Unknown Source)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:792)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:152)
	at org.apache.catalina.realm.UserDatabaseRealm.start(UserDatabaseRealm.java:222)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1004)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
	at org.apache.catalina.core.StandardService.start(StandardService.java:450)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
	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:271)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Apr 14, 2011 9:45:57 AM org.apache.naming.NamingContext lookup
WARNING: Unexpected exception resolving reference
org.xml.sax.SAXParseException: Premature end of file.
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1580)
	at org.apache.catalina.users.MemoryUserDatabase.open(MemoryUserDatabase.java:370)
	at org.apache.catalina.users.MemoryUserDatabaseFactory.getObjectInstance(MemoryUserDatabaseFactory.java:97)
	at org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:129)
	at javax.naming.spi.NamingManager.getObjectInstance(Unknown Source)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:792)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:152)
	at org.apache.catalina.realm.UserDatabaseRealm.start(UserDatabaseRealm.java:222)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1004)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
	at org.apache.catalina.core.StandardService.start(StandardService.java:450)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
	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:271)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Apr 14, 2011 9:45:57 AM org.apache.catalina.realm.UserDatabaseRealm start
SEVERE: Exception looking up UserDatabase under key UserDatabase
javax.naming.NamingException: Premature end of file.
	at org.apache.naming.NamingContext.lookup(NamingContext.java:804)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:152)
	at org.apache.catalina.realm.UserDatabaseRealm.start(UserDatabaseRealm.java:222)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1004)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
	at org.apache.catalina.core.StandardService.start(StandardService.java:450)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
	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:271)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Apr 14, 2011 9:45:57 AM org.apache.catalina.startup.Catalina start
SEVERE: Catalina.start: 
LifecycleException:  No UserDatabase component found under key UserDatabase
	at org.apache.catalina.realm.UserDatabaseRealm.start(UserDatabaseRealm.java:230)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1004)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
	at org.apache.catalina.core.StandardService.start(StandardService.java:450)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
	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:271)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Apr 14, 2011 9:45:57 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 67 ms

[Bear Bibeault]

Please do not post the same question more than once.