问题描述：
项目同时导入了spring-boot-starter-ws和easyexcel依赖，导致webService创建client时报错。错误日志如下：
org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.lang.Error: java.lang.reflect.InvocationTargetException at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1055) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.web.servlet.frameworkServlet.processRequest(frameworkServlet.java:1006) [spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.web.servlet.frameworkServlet.doPost(frameworkServlet.java:909) [spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:660) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.springframework.web.servlet.frameworkServlet.service(frameworkServlet.java:883) [spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) [tomcat-embed-websocket-9.0.30.jar:9.0.30] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:92) [spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) [spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.30.jar:9.0.30] at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:124) [druid-1.1.22.jar:1.1.22] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.30.jar:9.0.30] at com.ebiz.auth.filter.LoginFilter.doFilter(LoginFilter.java:171) [classes/:na] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) [spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) [spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) [spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) [spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:108) [spring-boot-actuator-2.2.4.RELEASE.jar:2.2.4.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) [spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) [spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) [spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.authenticator.Authenticatorbase.invoke(Authenticatorbase.java:541) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.core.StandardEnginevalve.invoke(StandardEnginevalve.java:74) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1598) [tomcat-embed-core-9.0.30.jar:9.0.30] at org.apache.tomcat.util.net.SocketProcessorbase.run(SocketProcessorbase.java:49) [tomcat-embed-core-9.0.30.jar:9.0.30] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_172] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_172] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.30.jar:9.0.30] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_172] Caused by: java.lang.Error: java.lang.reflect.InvocationTargetException at com.sun.tools.xjc.reader.Ring.get(Ring.java:83) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.reader.xmlschema.BGMBuilder.(BGMBuilder.java:117) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.reader.xmlschema.BGMBuilder.build(BGMBuilder.java:88) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.ModelLoader.annotateXMLSchema(ModelLoader.java:366) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.api.impl.s2j.SchemaCompilerImpl.bind(SchemaCompilerImpl.java:247) ~[jaxb-xjc-2.3.2.jar:2.3.2] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_172] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_172] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_172] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_172] at org.apache.cxf.common.util.ReflectionInvokationHandler.invoke(ReflectionInvokationHandler.java:89) ~[cxf-core-3.3.2.jar:3.3.2] at com.sun.proxy.$Proxy328.bind(Unknown Source) ~[na:na] at org.apache.cxf.endpoint.dynamic.DynamicClientFactory.createClient(DynamicClientFactory.java:340) ~[cxf-rt-frontend-simple-3.3.2.jar:3.3.2] at org.apache.cxf.endpoint.dynamic.DynamicClientFactory.createClient(DynamicClientFactory.java:244) ~[cxf-rt-frontend-simple-3.3.2.jar:3.3.2] at org.apache.cxf.endpoint.dynamic.DynamicClientFactory.createClient(DynamicClientFactory.java:237) ~[cxf-rt-frontend-simple-3.3.2.jar:3.3.2] at org.apache.cxf.endpoint.dynamic.DynamicClientFactory.createClient(DynamicClientFactory.java:192) ~[cxf-rt-frontend-simple-3.3.2.jar:3.3.2] at com.ebiz.extsys.crmsap.client.WSClientFactory.getNewPsClient(WSClientFactory.java:75) ~[classes/:na] at com.ebiz.extsys.crmsap.service.impl.PreservationServiceImpl.getVideoVerifyCustomers(PreservationServiceImpl.java:76) ~[classes/:na] at com.ebiz.workbench.bizservice.impl.VideoWorkbenchBizServiceImpl.getIdAuthListBaoQuan(VideoWorkbenchBizServiceImpl.java:197) ~[classes/:na] at com.ebiz.workbench.bizservice.impl.VideoWorkbenchBizServiceImpl.getIdAuthList(VideoWorkbenchBizServiceImpl.java:147) ~[classes/:na] at com.ebiz.workbench.bizservice.impl.VideoWorkbenchBizServiceImpl$$FastClassBySpringCGLIB$$9edeb4ca.invoke( ) ~[classes/:na] at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) ~[spring-core-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:685) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at com.ebiz.workbench.bizservice.impl.VideoWorkbenchBizServiceImpl$$EnhancerBySpringCGLIB$$61e5c0b8.getIdAuthList( ) ~[classes/:na] at com.ebiz.workbench.controller.VideoWorkbenchController.getIdAuthList(VideoWorkbenchController.java:56) ~[classes/:na] at com.ebiz.workbench.controller.VideoWorkbenchController$$FastClassBySpringCGLIB$$250b49f0.invoke( ) ~[classes/:na] at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) ~[spring-core-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:769) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:747) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:88) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at com.ebiz.auth.aop.ResourceAuthAspect.aroundMethod(ResourceAuthAspect.java:73) ~[classes/:na] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_172] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_172] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_172] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_172] at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:644) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:633) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:175) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:747) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:95) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:747) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:689) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE] at com.ebiz.workbench.controller.VideoWorkbenchController$$EnhancerBySpringCGLIB$$bad40cbc.getIdAuthList( ) ~[classes/:na] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_172] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_172] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_172] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_172] at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190) ~[spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) ~[spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:888) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE] ... 53 common frames omitted Caused by: java.lang.reflect.InvocationTargetException: null at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_172] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_172] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_172] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_172] at com.sun.tools.xjc.reader.Ring.get(Ring.java:72) ~[jaxb-xjc-2.3.2.jar:2.3.2] ... 108 common frames omitted Caused by: java.lang.Error: java.lang.reflect.InvocationTargetException at com.sun.tools.xjc.reader.Ring.get(Ring.java:83) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.reader.xmlschema.BindingComponent.getClassSelector(BindingComponent.java:35) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.reader.xmlschema.ColorBinder. (ColorBinder.java:32) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.reader.xmlschema.BindGreen. (BindGreen.java:33) ~[jaxb-xjc-2.3.2.jar:2.3.2] ... 113 common frames omitted Caused by: java.lang.reflect.InvocationTargetException: null at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_172] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_172] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_172] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_172] at com.sun.tools.xjc.reader.Ring.get(Ring.java:72) ~[jaxb-xjc-2.3.2.jar:2.3.2] ... 116 common frames omitted Caused by: java.lang.ExceptionInInitializerError: null at com.sun.tools.xjc.model.nav.NavigatorImpl.getbaseClass(NavigatorImpl.java:44) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.model.nav.NavigatorImpl.getbaseClass(NavigatorImpl.java:29) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.xml.bind.v2.model.core.Adapter. (Adapter.java:48) ~[jaxb-impl-2.1.jar:2.1] at com.sun.tools.xjc.model.CAdapter. (CAdapter.java:52) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.model.TypeUseFactory.adapt(TypeUseFactory.java:65) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.model.CBuiltinLeafInfo.makeAdapted(CBuiltinLeafInfo.java:162) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.model.CBuiltinLeafInfo. (CBuiltinLeafInfo.java:358) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.reader.xmlschema.SimpleTypeBuilder. (SimpleTypeBuilder.java:867) ~[jaxb-xjc-2.3.2.jar:2.3.2] at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_172] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_172] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_172] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_172] at com.sun.tools.xjc.reader.Ring.get(Ring.java:72) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.reader.xmlschema.DefaultClassBinder. (DefaultClassBinder.java:68) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.reader.xmlschema.ClassSelector. (ClassSelector.java:184) ~[jaxb-xjc-2.3.2.jar:2.3.2] ... 121 common frames omitted Caused by: java.lang.IllegalStateException: ReflectionNavigator.getInstance can't be found at com.sun.tools.xjc.model.nav.Utils$1.run(Utils.java:54) ~[jaxb-xjc-2.3.2.jar:2.3.2] at com.sun.tools.xjc.model.nav.Utils$1.run(Utils.java:46) ~[jaxb-xjc-2.3.2.jar:2.3.2] at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_172] at com.sun.tools.xjc.model.nav.Utils. (Utils.java:45) ~[jaxb-xjc-2.3.2.jar:2.3.2] ... 136 common frames omitted
解决方案：
如下，在easyexcel排除ehcache包。
org.springframework.boot spring-boot-starter-ws 1.4.7.RELEASE com.alibaba easyexcel 2.2.11 org.ehcache ehcache
