Hi I am getting the following error when I deploy my war file. Please see the
error messages.

Thanks in advance
Manaa

Jul 9, 2007 7:42:08 AM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive campaign.war
Jul 9, 2007 7:42:12 AM org.apache.catalina.loader.WebappClassLoader
validateJarFile
INFO: validateJarFile(C:\Program Files\Apache Software Foundation\Tomcat
6.0\webapps\campaign\WEB-INF\lib\servlet-api-2.4.jar) - jar not loaded. See
Servlet Spec 2.3, section 9.7.2. Offending class:
javax/servlet/Servlet.class
Jul 9, 2007 7:42:12 AM org.apache.catalina.core.StandardContext processTlds
SEVERE: Error reading tld listeners javax.servlet.ServletException:
Exception processing TLD at resource path /WEB-INF/tlds/pager-taglib.tld in
context /campaign
javax.servlet.ServletException: Exception processing TLD at resource path
/WEB-INF/tlds/pager-taglib.tld in context /campaign
 at org.apache.catalina.startup.TldConfig.tldScanTld (TldConfig.java:557)
 at org.apache.catalina.startup.TldConfig.execute (TldConfig.java:295)
 at
org.apache.catalina.core.StandardContext.processTlds (StandardContext.java:4425)
 at
org.apache.catalina.core.StandardContext.start (StandardContext.java:4232)
 at
org.apache.catalina.core.ContainerBase.addChildInternal (ContainerBase.java:791)
 at org.apache.catalina.core.ContainerBase.addChild (ContainerBase.java:771)
 at org.apache.catalina.core.StandardHost.addChild (StandardHost.java:525)
 at org.apache.catalina.startup.HostConfig.deployWAR (HostConfig.java:825)
 at org.apache.catalina.startup.HostConfig.deployApps (HostConfig.java:515)
 at org.apache.catalina.startup.HostConfig.check (HostConfig.java:1220)
 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.tomcat.util.modeler.BaseModelMBean.invoke (BaseModelMBean.java:297)
 at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(Unknown
Source)
 at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(Unknown Source)
 at
org.apache.catalina.manager.ManagerServlet.check (ManagerServlet.java:1458)
 at
org.apache.catalina.manager.HTMLManagerServlet.doPost (HTMLManagerServlet.java:237)
 at javax.servlet.http.HttpServlet.service (HttpServlet.java:710)
 at javax.servlet.http.HttpServlet.service (HttpServlet.java:803)
 at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:290)
 at
org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:206)
 at
org.apache.catalina.core.StandardWrapperValve.invoke (StandardWrapperValve.java:230)
 at
org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:175)
 at
org.apache.catalina.authenticator.AuthenticatorBase.invoke (AuthenticatorBase.java:525)
 at
org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:128)
 at
org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:104)
 at
org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:109)
 at
org.apache.catalina.connector.CoyoteAdapter.service (CoyoteAdapter.java:261)
 at
org.apache.coyote.http11.Http11Processor.process (Http11Processor.java:844)
 at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
 at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
 at
org.apache.xerces.impl.dtd.models.DFAContentModel.buildDFA (DFAContentModel.java:538)
 at
org.apache.xerces.impl.dtd.models.DFAContentModel.<init>(DFAContentModel.java:253)
 at
org.apache.xerces.impl.dtd.DTDGrammar.createChildModel (DTDGrammar.java:2279)
 at
org.apache.xerces.impl.dtd.DTDGrammar.getElementContentModelValidator (DTDGrammar.java:1735)
 at
org.apache.xerces.impl.dtd.DTDGrammar.getElementDecl (DTDGrammar.java:1279)
 at
org.apache.xerces.impl.dtd.XMLDTDValidator.getContentSpecType (XMLDTDValidator.java:1672)
 at
org.apache.xerces.impl.dtd.XMLDTDValidator.handleStartElement (XMLDTDValidator.java:1866)
 at
org.apache.xerces.impl.dtd.XMLDTDValidator.startElement (XMLDTDValidator.java:752)
 at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement (XMLDocumentFragmentScannerImpl.java:752)
 at
org.apache.xerces.impl.XMLDocumentScannerImpl$ContentDispatcher.scanRootElementHook(XMLDocumentScannerImpl.java:942)
 at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1520)
 at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument (XMLDocumentFragmentScannerImpl.java:333)
 at
org.apache.xerces.parsers.DTDConfiguration.parse (DTDConfiguration.java:524)
 at
org.apache.xerces.parsers.DTDConfiguration.parse (DTDConfiguration.java:580)
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