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jboss deploy problem

 
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When I redeploy a struts application to Jboss 3.2.3 I get the following error:

23:31:48,912 ERROR [Digester] Begin event threw exception
java.lang.IllegalArgumentException: object is not an instance of declaring class

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:42)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:28)
at java.lang.reflect.Method.invoke(Method.java:327)
at org.apache.commons.beanutils.PropertyUtils.setSimpleProperty(Property
Utils.java:1789)
at org.apache.commons.beanutils.PropertyUtils.setNestedProperty(Property
Utils.java:1684)
at org.apache.commons.beanutils.PropertyUtils.setProperty(PropertyUtils.
java:1713)
at org.apache.commons.beanutils.BeanUtils.setProperty(BeanUtils.java:101
9)
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(AbstractSAXP
arser.java:434)
at org.apache.xerces.impl.XMLNamespaceBinder.handleStartElement(XMLNames
paceBinder.java:832)
at org.apache.xerces.impl.XMLNamespaceBinder.startElement(XMLNamespaceBi
nder.java:568)
at org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidat
or.java:796)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElemen
t(XMLDocumentFragmentScannerImpl.java:752)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContent
Dispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1454)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XM
LDocumentFragmentScannerImpl.java:333)
at org.apache.xerces.parsers.StandardParserConfiguration.parse(StandardP
arserConfiguration.java:529)
at org.apache.xerces.parsers.StandardParserConfiguration.parse(StandardP
arserConfiguration.java:585)
at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:147)
at org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.j
ava:1148)
at org.apache.commons.digester.Digester.parse(Digester.java:1548)
at org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionSe
rvlet.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:82
3)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContex
t.java:3422)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3
623)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase
.java:821)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:80
7)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)

at org.jboss.web.tomcat.tc4.EmbeddedTomcatService.createWebContext(Embed
dedTomcatService.java:549)
at org.jboss.web.tomcat.tc4.EmbeddedTomcatService.performDeploy(Embedded
TomcatService.java:309)
at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:42
8)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:832)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:642)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:605)
at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:28)
at java.lang.reflect.Method.invoke(Method.java:327)
at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBea
nDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:546)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
at $Proxy6.deploy(Unknown Source)
at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymen
tScanner.java:302)
at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentS
canner.java:458)
at org.jboss.deployment.scanner.AbstractDeploymentScanner$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)

However, if I stop and start the server it starts with no errors and runs fine. Anyone had this problem before?
 
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