I implemented ServletContextListener in my class. I then wrote the xml in the web.xml file and started tomcat. The error tomcat threw tells me that it did not recognize the listener and listener-class elements ?? i have them declared in the web.xml as:
<web-app>
<!-- ServletContextListener -->
<listener>
<listener-class>
com.wavesinmotion.cw.classes.jsphelpers.CourseWizardContextListener
</listener-class>
</listener>
</web-app>Any ideas where I am going wrong ? Thanks.
Tomcat threw this error below:
SEVERE: Parse Error at line 10 column 12: Element type "listener" must be declared.
org.xml.sax.SAXParseException: Element type "listener" must be declared.
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Error HandlerWrapper.java:232)
at org.apache.xerces.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.jav a:173)
at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.jav a:371)
at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.jav a:305)
at org.apache.xerces.impl.dtd.XMLDTDValidator.handleStartElement(XMLDTDVali dator.java:1833)
at org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidator. java:724)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(X MLDocumentFragmentScannerImpl.java:759)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDis patcher.dispatch(XMLDocumentFragmentScannerImpl.java:1477)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDo cumentFragmentScannerImpl.java:329)
at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:5 25)
at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:5 81)
at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:152)
at org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java :1175)
at org.apache.commons.digester.Digester.parse(Digester.java:1495)
at org.apache.catalina.startup.ContextConfig.applicationConfig(ContextConfi g.java:282)
at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:639)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.j ava:243)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSu pport.java:166)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3567 )
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
at org.apache.catalina.core.StandardService.start(StandardService.java:497)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2189)
at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav a:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor Impl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
Jul 14, 2003 3:56:11 PM org.apache.commons.digester.Digester error
SEVERE: Parse Error at line 11 column 19: Element type "listener-class" must be declared.
org.xml.sax.SAXParseException: Element type "listener-class" must be declared.
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Error HandlerWrapper.java:232)
at org.apache.xerces.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.jav a:173)
at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.jav a:371)
at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.jav a:305)
at org.apache.xerces.impl.dtd.XMLDTDValidator.handleStartElement(XMLDTDVali dator.java:1833)
at org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidator. java:724)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(X MLDocumentFragmentScannerImpl.java:759)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDis patcher.dispatch(XMLDocumentFragmentScannerImpl.java:1477)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDo cumentFragmentScannerImpl.java:329)
at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:5 25)
at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:5 81)
at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:152)
at org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java :1175)
at org.apache.commons.digester.Digester.parse(Digester.java:1495)
at org.apache.catalina.startup.ContextConfig.applicationConfig(ContextConfi g.java:282)
at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:639)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.j ava:243)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSu pport.java:166)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3567 )
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
at org.apache.catalina.core.StandardService.start(StandardService.java:497)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2189)
at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav a:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor Impl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
Jul 14, 2003 3:56:11 PM org.apache.commons.digester.Digester error
SEVERE: Parse Error at line 190 column 11: The content of element type "web-app" must match "(icon?,display-name?,description?,distributable?,context- param*,servlet*,servlet-mapping*,session-config?,mime-mapping*,welcome- file-list?,error-page*,taglib*,resource-ref*,security- constraint*,login-config?,security-role*,env-entry*,ejb-ref*)".
org.xml.sax.SAXParseException: The content of element type "web-app" must match "(icon?,display-name?,description?,distributable?,context- param*,servlet*,servlet-mapping*,session-config?,mime-mapping*,welcome- file-list?,error-page*,taglib*,resource-ref*,security- constraint*,login-config?,security-role*,env-entry*,ejb-ref*)".
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Error HandlerWrapper.java:232)
at org.apache.xerces.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.jav a:173)
at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.jav a:371)
at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.jav a:305)
at org.apache.xerces.impl.dtd.XMLDTDValidator.handleEndElement(XMLDTDValida tor.java:1918)
at org.apache.xerces.impl.dtd.XMLDTDValidator.endElement(XMLDTDValidator.ja va:851)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XML DocumentFragmentScannerImpl.java:1008)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDis patcher.dispatch(XMLDocumentFragmentScannerImpl.java:1469)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDo cumentFragmentScannerImpl.java:329)
at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:5 25)
at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:5 81)
at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:152)
at org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java :1175)
at org.apache.commons.digester.Digester.parse(Digester.java:1495)
at org.apache.catalina.startup.ContextConfig.applicationConfig(ContextConfi g.java:282)
at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:639)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.j ava:243)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSu pport.java:166)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3567 )
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
at org.apache.catalina.core.StandardService.start(StandardService.java:497)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2189)
at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav a:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor Impl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
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