我在我的应用中遇到以下错误。在开始时：
[3/26/12 13:05:26:109 SGT] 0000001a webapp E com.ibm.ws.webcontainer.webapp.WebApp logError SRVE0293E: [Servlet Error]-[com.test.Delegate (initialization failure)]: java.lang.NoClassDefFoundError: com.test.Delegate (initialization failure)
at java.lang.J9VMInternals.initialize(J9VMInternals.java:140)
at com.test.workflow.Workflow.<init>(Workflow.java:28)
at com.actions.Action.<init>(Action.java:54)
at java.lang.J9VMInternals.newInstanceImpl(Native Method)
at java.lang.Class.newInstance(Class.java:1345)
at com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:119)
at com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:150)
at com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:139)
at com.opensymphony.xwork2.ObjectFactory.buildAction(ObjectFactory.java:109)
at com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:287)
at com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:387)
at com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:186)
at org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61)
at org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39)
at com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:47)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:458)
at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:76)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
at org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:102)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:77)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:908)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:997)
at com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.invokeFilters(DefaultExtensionProcessor.java:1062)
at com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:759)
at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3935)
at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:276)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:931)
at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1583)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:186)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:452)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:511)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:305)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:276)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)
at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1604)
Caused by: com.delta.ecom.exception.WrapperSystemException: Error converting Source to Object
at com.delta.ecom.util.callwrapper.DataTransformer.convertSourceToObject(DataTransformer.java:443)
at com.delta.ecom.util.callwrapper.CallServiceDaoImpl.loadResource(CallServiceDaoImpl.java:291)
at com.delta.ecom.util.callwrapper.CallServiceDaoImpl.<init>(CallServiceDaoImpl.java:69)
at com.delta.ecom.util.callwrapper.ServiceLocatorImpl.<init>(ServiceLocatorImpl.java:27)
at com.delta.ecom.util.callwrapper.CallWrapper.<init>(CallWrapper.java:43)
at com.delta.ecom.trips.delegate.BaseTripsDelegate.<clinit>(BaseTripsDelegate.java:21)
at java.lang.J9VMInternals.initializeImpl(Native Method)
at java.lang.J9VMInternals.initialize(J9VMInternals.java:200)
... 47 more
Caused by: javax.xml.bind.UnmarshalException
- with linked exception:
[java.net.MalformedURLException]
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:221)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:198)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:249)
at com.ibm.xml.xlxp2.jaxb.unmarshal.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:237)
at com.delta.ecom.util.callwrapper.DataTransformer.convertSourceToObject(DataTransformer.java:437)
... 54 more
Caused by: java.net.MalformedURLException
at java.net.URL.<init>(URL.java:613)
at java.net.URL.<init>(URL.java:476)
at java.net.URL.<init>(URL.java:425)
at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
at org.apache.xerces.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:219)
... 58 more
Caused by: com.test.com.ecom.exception.WrapperSystemException: Error converting Source to Object
at com.test.com.ecom.util.caller.DataTransformer.convertSourceToObject(DataTransformer.java:443)
at com.test.com.ecom.util.caller.CallServiceDaoImpl.loadResource(CallServiceDaoImpl.java:291)
at com.test.com.ecom.util.caller.CallServiceDaoImpl.<init>(CallServiceDaoImpl.java:69)
at com.test.com.ecom.util.caller.ServiceLocatorImpl.<init>(ServiceLocatorImpl.java:27)
at com.test.com.ecom.util.caller.caller.<init>(caller.java:43)
at com.test.com.ecom.trips.delegate.BaseTripsDelegate.<clinit>(BaseTripsDelegate.java:21)
at java.lang.J9VMInternals.initializeImpl(Native Method)
at java.lang.J9VMInternals.initialize(J9VMInternals.java:200)
... 47 more
Caused by: javax.xml.bind.UnmarshalException
- with linked exception:
[java.net.MalformedURLException]
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:221)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:198)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:249)
at com.ibm.xml.xlxp2.jaxb.unmarshal.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:237)
at com.test.com.ecom.util.caller.DataTransformer.convertSourceToObject(DataTransformer.java:437)
... 54 more
Caused by: java.net.MalformedURLException
at java.net.URL.<init>(URL.java:613)
at java.net.URL.<init>(URL.java:476)
at java.net.URL.<init>(URL.java:425)
at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
at org.apache.xerces.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:219)
... 58 more
如何解决此错误？谢谢。
答案 0 :(得分：3)
您的错误为java.lang.NoClassDefFoundError: com.test.Delegate，与J9VMInternals无关。您必须仔细阅读堆栈跟踪以提取重要信息。这可能意味着你在类路径上缺少一个jar。