java.lang.NullPointerException: This exception has no message.

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This exception has no message.
java.lang.NullPointerException:
at oracle.j2ee.ws.mdds.ModuleBuilder.isUnwrapable(ModuleBuilder.java:551)
at oracle.j2ee.ws.mdds.ModuleBuilder.makeDocMessagePrototype(ModuleBuilder.java:537)
at oracle.j2ee.ws.mdds.ModuleBuilder.getMessagePrototype(ModuleBuilder.java:412)
at oracle.j2ee.ws.mdds.ModuleBuilder.annotateOperation(ModuleBuilder.java:345)
at oracle.j2ee.ws.mdds.ModuleBuilder.annotatePort(ModuleBuilder.java:319)
at oracle.j2ee.ws.mdds.ModuleBuilder.annotateService(ModuleBuilder.java:130)
at oracle.j2ee.ws.mdds.ModuleBuilder.doAnnotateModel(ModuleBuilder.java:92)
at oracle.j2ee.ws.mdds.ModuleBuilder.annotateModel(ModuleBuilder.java:73)
at oracle.j2ee.ws.mdds.MddsModelFactoryImpl.createModelFromWSDL(MddsModelFactoryImpl.java:78)
at oracle.j2ee.ws.server.provider.ProviderConfigImpl$DynamicService.setWSDL(ProviderConfigImpl.java:1159)
at oracle.j2ee.ws.server.provider.ProviderConfigImpl.addService(ProviderConfigImpl.java:319)
at oracle.integration.platform.blocks.soap.FabricProviderConfig.addService(FabricProviderConfig.java:87)
at oracle.integration.platform.blocks.soap.FabricProviderConfig.addService(FabricProviderConfig.java:145)
at oracle.integration.platform.blocks.soap.WebServiceEntryBindingComponent.load(WebServiceEntryBindingComponent.java:166)
at oracle.integration.platform.blocks.soap.WebServiceEntryBindingComponent.load(WebServiceEntryBindingComponent.java:100)
at oracle.integration.platform.blocks.deploy.CompositeDeploymentConnection.deployServices(CompositeDeploymentConnection.java:161)
at oracle.integration.platform.blocks.deploy.CompositeDeploymentConnection.deploy(CompositeDeploymentConnection.java:92)
at oracle.integration.platform.blocks.deploy.CompositeDeploymentManagerImpl.initDeployment(CompositeDeploymentManagerImpl.java:144)
at oracle.integration.platform.blocks.deploy.CompositeDeploymentManagerImpl.load(CompositeDeploymentManagerImpl.java:62)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:296)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:177)
at oracle.integration.platform.blocks.deploy.DeploymentEventPublisher.invoke(DeploymentEventPublisher.java:69)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:166)
at undefined.$Proxy193.load(Unknown Source)
at oracle.integration.platform.blocks.deploy.StandaloneCompositeDeploymentCoordinatorImpl.coordinateCompositeDeployment(StandaloneCompositeDeploymentCoordinatorImpl.java:32)
at oracle.integration.platform.blocks.deploy.servlet.BaseDeployProcessor.deployNewComposite(BaseDeployProcessor.java:351)
at oracle.integration.platform.blocks.deploy.servlet.BaseDeployProcessor.deploySARs(BaseDeployProcessor.java:217)

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