I have built a struts application and deployed it to JBoss 3.2.3. I have
redeployed this application many times but recently, after making a minor
change, I receive an error on redeployment. If I recycle JBoss the application
works fine. Can someone suggest how I might debug this error? Below is the
error log from the JBoss concole:
06:44:41,403 INFO [PropertyMessageResources] Initializing,
config='org.apache.struts.action.ActionResources', returnNull=true
06:44:41,663 ERROR [Digester] Begin event threw exception
java.lang.reflect.InvocationTargetException
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:324)
at
org.apache.commons.beanutils.PropertyUtils.setSimpleProperty(PropertyUtils.java:1789)
at
org.apache.commons.beanutils.PropertyUtils.setNestedProperty(PropertyUtils.java:1684)
at
org.apache.commons.beanutils.PropertyUtils.setProperty(PropertyUtils.java:1713)
at
org.apache.commons.beanutils.BeanUtils.setProperty(BeanUtils.java:1019)
at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:808)
at
org.apache.commons.digester.SetPropertiesRule.begin(SetPropertiesRule.java:259)
at org.apache.commons.digester.Rule.begin(Rule.java:200)
at org.apache.commons.digester.Digester.startElement(Digester.java:1273)
at
org.apache.xerces.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:434)
at
org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:216)
at
org.apache.xerces.impl.XMLNamespaceBinder.handleStartElement(XMLNamespaceBinder.java:829)
at
org.apache.xerces.impl.XMLNamespaceBinder.emptyElement(XMLNamespaceBinder.java:590)
at
org.apache.xerces.impl.dtd.XMLDTDValidator.emptyElement(XMLDTDValidator.java:817)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:748)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1454)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:333)
at
org.apache.xerces.parsers.StandardParserConfiguration.parse(StandardParserConfiguration.java:529)
at
org.apache.xerces.parsers.StandardParserConfiguration.parse(StandardParserConfiguration.java:585)
at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:147)
at
org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1148)
at org.apache.commons.digester.Digester.parse(Digester.java:1548)
at
org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.java:1006)
at
org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:955)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:470)
at javax.servlet.GenericServlet.init(GenericServlet.java:256)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:935)
at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:823)
at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3422)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3623)
at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:821)
at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)
at
org.jboss.web.tomcat.tc4.EmbeddedTomcatService.createWebContext(EmbeddedTomcatService.java:549)
at
org.jboss.web.tomcat.tc4.EmbeddedTomcatService.performDeploy(EmbeddedTomcatService.java:309)
at
org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:428)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:832)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:824)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:642)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:605)
at sun.reflect.GeneratedMethodAccessor22.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at
org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:546)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
at $Proxy6.deploy(Unknown Source)
at
org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:302)
at
org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:458)
at
org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:201)
at
org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:212)
at
org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:191)
Caused by: java.lang.LinkageError: loader constraints violated when linking
org/apache/struts/action/ActionMapping class
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:141)
at
org.apache.struts.config.FormBeanConfig.class$(FormBeanConfig.java:190)
at
org.apache.struts.config.FormBeanConfig.setType(FormBeanConfig.java:190)
... 55 more
06:44:41,683 ERROR [ActionServlet] Parsing error processing resource
pathjava.lang.reflect.InvocationTargetException
at
org.apache.commons.digester.Digester.createSAXException(Digester.java:2540)
at
org.apache.commons.digester.Digester.createSAXException(Digester.java:2566)
at org.apache.commons.digester.Digester.startElement(Digester.java:1276)
at
org.apache.xerces.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:434)
at
org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:216)
at
org.apache.xerces.impl.XMLNamespaceBinder.handleStartElement(XMLNamespaceBinder.java:829)
at
org.apache.xerces.impl.XMLNamespaceBinder.emptyElement(XMLNamespaceBinder.java:590)
at
org.apache.xerces.impl.dtd.XMLDTDValidator.emptyElement(XMLDTDValidator.java:817)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:748)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1454)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:333)
at
org.apache.xerces.parsers.StandardParserConfiguration.parse(StandardParserConfiguration.java:529)
at
org.apache.xerces.parsers.StandardParserConfiguration.parse(StandardParserConfiguration.java:585)
at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:147)
at
org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1148)
at org.apache.commons.digester.Digester.parse(Digester.java:1548)
at
org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.java:1006)
at
org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:955)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:470)
at javax.servlet.GenericServlet.init(GenericServlet.java:256)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:935)
at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:823)
at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3422)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3623)
at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:821)
at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)
at
org.jboss.web.tomcat.tc4.EmbeddedTomcatService.createWebContext(EmbeddedTomcatService.java:549)
at
org.jboss.web.tomcat.tc4.EmbeddedTomcatService.performDeploy(EmbeddedTomcatService.java:309)
at
org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:428)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:832)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:824)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:642)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:605)
at sun.reflect.GeneratedMethodAccessor22.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at
org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:546)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
at $Proxy6.deploy(Unknown Source)
at
org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:302)
at
org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:458)
at
org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:201)
at
org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:212)
at
org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:191)
06:44:41,683 INFO [Engine] StandardWrapper[/ecollege:action]: Marking servlet
action as unavailable
06:44:41,683 ERROR [Engine] StandardContext[/ecollege]: Servlet /ecollege
threwload() exception
javax.servlet.UnavailableException: Parsing error processing resource path
at
org.apache.struts.action.ActionServlet.handleConfigException(ActionServlet.java:1035)
at
org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.java:1014)
at
org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:955)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:470)
at javax.servlet.GenericServlet.init(GenericServlet.java:256)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:935)
at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:823)
at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3422)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3623)
at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:821)
at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)
at
org.jboss.web.tomcat.tc4.EmbeddedTomcatService.createWebContext(EmbeddedTomcatService.java:549)
at
org.jboss.web.tomcat.tc4.EmbeddedTomcatService.performDeploy(EmbeddedTomcatService.java:309)
at
org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:428)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:832)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:824)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:642)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:605)
at sun.reflect.GeneratedMethodAccessor22.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at
org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:546)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
at $Proxy6.deploy(Unknown Source)
at
org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:302)
at
org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:458)
at
org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:201)
at
org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:212)
at
org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:191)
06:44:41,683 INFO [Engine] StandardWrapper[/ecollege:invoker]: Loading
container servlet invoker
06:44:41,924 INFO [EARDeployer] Started J2EE application:
file:/C:/jboss-3.2.3/server/default/deploy/ecollege.ear
06:44:41,924 INFO [MainDeployer] Deployed package:
file:/C:/jboss-3.2.3/server/default/deploy/ecollege.ear
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