0 Replies Latest reply: Dec 5, 2012 1:06 AM by Ajay Sharma RSS

    Unable to return XStream object from Web Service method.

    Ajay Sharma
      Hi,

      I want to return data in XML form through web service method.

      I used XStream api. but when I am trying to return XStream object it showing me following error.
      Weblogic Server Exception: weblogic.application.ModuleException: [HTTP:101216]Servlet: "XStreamTestPort" failed to preload on startup in Web application: "XStreamTest.war".
      com.sun.xml.ws.spi.db.DatabindingException: 
      Exception Description: The class com.thoughtworks.xstream.XStream$InitializationException requires a zero argument constructor or a specified factory method.  Note that non-static inner classes do not have zero argument constructors and are not supported.
           at com.sun.xml.ws.db.toplink.JAXBContextFactory.newContext(JAXBContextFactory.java:185)
           at com.sun.xml.ws.spi.db.BindingContextFactory.create(BindingContextFactory.java:179)
           at com.sun.xml.ws.model.AbstractSEIModelImpl$1.run(AbstractSEIModelImpl.java:211)
           at com.sun.xml.ws.model.AbstractSEIModelImpl$1.run(AbstractSEIModelImpl.java:185)
           at java.security.AccessController.doPrivileged(Native Method)
           at com.sun.xml.ws.model.AbstractSEIModelImpl.createJAXBContext(AbstractSEIModelImpl.java:184)
           at com.sun.xml.ws.model.AbstractSEIModelImpl.postProcess(AbstractSEIModelImpl.java:109)
           at com.sun.xml.ws.model.RuntimeModeler.buildRuntimeModel(RuntimeModeler.java:321)
           at com.sun.xml.ws.db.DatabindingImpl.<init>(DatabindingImpl.java:99)
           at com.sun.xml.ws.db.DatabindingProviderImpl.create(DatabindingProviderImpl.java:74)
           at com.sun.xml.ws.db.DatabindingProviderImpl.create(DatabindingProviderImpl.java:58)
           at com.sun.xml.ws.db.DatabindingFactoryImpl.createRuntime(DatabindingFactoryImpl.java:130)
           at com.sun.xml.ws.server.EndpointFactory.createSEIModel(EndpointFactory.java:411)
           at com.sun.xml.ws.server.EndpointFactory.createEndpoint(EndpointFactory.java:232)
           at com.sun.xml.ws.api.server.WSEndpoint.create(WSEndpoint.java:546)
           at com.sun.xml.ws.api.server.WSEndpoint.create(WSEndpoint.java:525)
           at com.sun.xml.ws.api.server.WSEndpoint.create(WSEndpoint.java:601)
           at weblogic.wsee.jaxws.JAXWSDeployedServlet.getEndpoint(JAXWSDeployedServlet.java:183)
           at weblogic.wsee.jaxws.JAXWSServlet.registerEndpoint(JAXWSServlet.java:139)
           at weblogic.wsee.jaxws.JAXWSServlet.init(JAXWSServlet.java:68)
           at weblogic.wsee.jaxws.JAXWSDeployedServlet.init(JAXWSDeployedServlet.java:54)
           at javax.servlet.GenericServlet.init(GenericServlet.java:240)
           at weblogic.servlet.internal.StubSecurityHelper$ServletInitAction.run(StubSecurityHelper.java:299)
           at weblogic.servlet.internal.StubSecurityHelper$ServletInitAction.run(StubSecurityHelper.java:250)
           at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
           at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
           at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:57)
           at weblogic.servlet.internal.StubSecurityHelper.initServletInstance(StubSecurityHelper.java:94)
           at weblogic.servlet.internal.StubSecurityHelper.createServlet(StubSecurityHelper.java:82)
           at weblogic.servlet.internal.StubLifecycleHelper.createOneInstance(StubLifecycleHelper.java:74)
           at weblogic.servlet.internal.StubLifecycleHelper.<init>(StubLifecycleHelper.java:60)
           at weblogic.servlet.internal.StubLifecycleHelper.<init>(StubLifecycleHelper.java:34)
           at weblogic.servlet.internal.ServletStubImpl.initStubLifecycleHelper(ServletStubImpl.java:624)
           at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:565)
           at weblogic.servlet.internal.WebAppServletContext.preloadServlet(WebAppServletContext.java:1874)
           at weblogic.servlet.internal.WebAppServletContext.loadServletsOnStartup(WebAppServletContext.java:1848)
           at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:1738)
           at weblogic.servlet.internal.WebAppServletContext.start(WebAppServletContext.java:2740)
           at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:1704)
           at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:781)
           at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:213)
           at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:208)
           at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:35)
           at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:70)
           at weblogic.application.internal.flow.ScopedModuleDriver.start(ScopedModuleDriver.java:212)
           at weblogic.application.internal.ExtensibleModuleWrapper.start(ExtensibleModuleWrapper.java:111)
           at weblogic.application.internal.flow.ModuleListenerInvoker.start(ModuleListenerInvoker.java:124)
           at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:213)
           at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:208)
           at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:35)
           at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:70)
           at weblogic.application.internal.flow.StartModulesFlow.activate(StartModulesFlow.java:24)
           at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.java:729)
           at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:35)
           at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.java:258)
           at weblogic.application.internal.SingleModuleDeployment.activate(SingleModuleDeployment.java:48)
           at weblogic.application.internal.DeploymentStateChecker.activate(DeploymentStateChecker.java:165)
           at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(AppContainerInvoker.java:79)
           at weblogic.deploy.internal.targetserver.operations.AbstractOperation.activate(AbstractOperation.java:582)
           at weblogic.deploy.internal.targetserver.operations.ActivateOperation.activateDeployment(ActivateOperation.java:148)
           at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doCommit(ActivateOperation.java:114)
           at weblogic.deploy.internal.targetserver.operations.AbstractOperation.commit(AbstractOperation.java:335)
           at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentCommit(DeploymentManager.java:844)
           at weblogic.deploy.internal.targetserver.DeploymentManager.activateDeploymentList(DeploymentManager.java:1253)
           at weblogic.deploy.internal.targetserver.DeploymentManager.handleCommit(DeploymentManager.java:440)
           at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.commit(DeploymentServiceDispatcher.java:163)
           at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doCommitCallback(DeploymentReceiverCallbackDeliverer.java:195)
           at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$100(DeploymentReceiverCallbackDeliverer.java:13)
           at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$2.run(DeploymentReceiverCallbackDeliverer.java:68)
           at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:545)
           at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
           at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
      Caused by: javax.xml.bind.JAXBException: 
      How to solve this error.

      Regards,
      Ajay