websphere 升级（6.5→8.5）webservice，cxf，axis所遇到的jar包冲突问题许久没有写博客了，大概是因为好久没有在工作中遇到如此难产的问题

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我是靠谱客的博主笨笨河马，最近开发中收集的这篇文章主要介绍websphere 升级（6.5→8.5）webservice，cxf，axis所遇到的jar包冲突问题许久没有写博客了，大概是因为好久没有在工作中遇到如此难产的问题，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

许久没有写博客了，大概是因为好久没有在工作中遇到如此难产的问题

废话不多说，进入正题！

问题描述

目前项目需要对中间件，jdk进行升级，升级内容如下：

was 6.5 → was 8.5 2，
jdk 5 → jdk 6/7

报错的功能是基于cxf的webservice，所用axix版本为1.4。而在was中却出现了调用org.apache.axis2..的字样，在项目jar包确认查无此类。

主要报错信息如下

 E com.ibm.ws.webcontainer.webapp.WebApp logServletError SRVE0293E: [Servlet Error]-[ActionServlet]: java.lang.NoClassDefFoundError: com.ibm.ws.wstx.handler.WSATGenerator (initialization failure)
    at java.lang.J9VMInternals.initialize(J9VMInternals.java:168)
    at com.ibm.ws.wstx.WSTXClientTCMImpl.handleInbound(WSTXClientTCMImpl.java:100)
    at com.ibm.ws.wstx.WSTXClientTCMImpl.cleanupContext(WSTXClientTCMImpl.java:81)
    at org.apache.axis2.util.ThreadContextMigratorUtil.performContextCleanup(ThreadContextMigratorUtil.java:191)
    at org.apache.axis2.jaxws.core.controller.impl.AxisInvocationController.postExecute(AxisInvocationController.java:654)
    at org.apache.axis2.jaxws.core.controller.impl.AxisInvocationController.execute(AxisInvocationController.java:586)
    at org.apache.axis2.jaxws.core.controller.impl.AxisInvocationController.doInvoke(AxisInvocationController.java:127)
    at org.apache.axis2.jaxws.core.controller.impl.InvocationControllerImpl.invoke(InvocationControllerImpl.java:93)
    at org.apache.axis2.jaxws.client.proxy.JAXWSProxyHandler.invokeSEIMethod(JAXWSProxyHandler.java:390)
    at org.apache.axis2.jaxws.client.proxy.JAXWSProxyHandler.invoke(JAXWSProxyHandler.java:188)
    at $Proxy296.process(Unknown Source)
    at com.cmcc.mss.wsclient.inquirysrv.PageInquiryContractInfoSrvClient.saveContractInfo(PageInquiryContractInfoSrvClient.java:161)
    at com.ibm.process.maintain.action.budget.SyncContractInfoAction.syncData(SyncContractInfoAction.java:138)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
    at java.lang.reflect.Method.invoke(Method.java:611)
    at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)
    at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)
    at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
    at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:237)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1201)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:595)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)
    at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1214)
    at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:774)
    at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:456)
    at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
    at com.ibm.ws.webcontainer.filter.WebAppFilterChain.invokeTarget(WebAppFilterChain.java:125)
    at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:92)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
    at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:192)
    at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:89)
    at com.ibm.org.reimbursement.filter.SignInFilter.doFilter(SignInFilter.java:50)
    at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:192)
    at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:89)
    at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:926)
    at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1023)
    at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3703)
    at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:304)
    at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:962)
    at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1662)
    at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:195)
    at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:458)
    at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:522)
    at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:311)
    at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:87)
    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:1783)

深入分析

由于本地根本没有使用到axis2的东西，所以基本可以确定是jar包冲突的问题。
通过在网上找资料，在20多天内分别使用了以下方式来解决问题：

建立共享库：
将axis1的jar置入到共享库，并对项目添加依赖。自己试后没有任何效果

设置类装入器顺序：
默认的是父类优先，更改成父类最后之后项目启动报错

[4/26/18 14:15:00:364 CST] 0000007c ContextLoader E org.springframework.web.context.ContextLoader initWebApplicationContext Context initialization failed
                                 org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Failed to import bean definitions from URL location [classpath:AppBeanContext.xml]
Offending resource: ServletContext resource [/WEB-INF/web-beans.xml]; nested exception is org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Failed to import bean definitions from relative location [spring-budget.xml]
Offending resource: class path resource [AppBeanContext.xml]; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from class path resource [spring-budget.xml]; nested exception is java.lang.VerifyError
    at org.springframework.beans.factory.parsing.FailFastProblemReporter.error(FailFastProblemReporter.java:68)
    at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:85)
    at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:76)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.importBeanDefinitionResource(DefaultBeanDefinitionDocumentReader.java:182)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseDefaultElement(DefaultBeanDefinitionDocumentReader.java:147)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:132)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:92)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:507)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:398)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:342)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
    at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:124)
    at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:92)
    at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
    at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
    at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255)
    at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199)
    at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45)
    at com.ibm.ws.webcontainer.webapp.WebApp.notifyServletContextCreated(WebApp.java:1651)
    at com.ibm.ws.webcontainer.webapp.WebAppImpl.initialize(WebAppImpl.java:414)
    at com.ibm.ws.webcontainer.webapp.WebGroupImpl.addWebApplication(WebGroupImpl.java:88)
    at com.ibm.ws.webcontainer.VirtualHostImpl.addWebApplication(VirtualHostImpl.java:169)
    at com.ibm.ws.webcontainer.WSWebContainer.addWebApp(WSWebContainer.java:749)
    at com.ibm.ws.webcontainer.WSWebContainer.addWebApplication(WSWebContainer.java:634)
    at com.ibm.ws.webcontainer.component.WebContainerImpl.install(WebContainerImpl.java:426)
    at com.ibm.ws.webcontainer.component.WebContainerImpl.start(WebContainerImpl.java:718)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:1170)
    at com.ibm.ws.runtime.component.DeployedApplicationImpl.fireDeployedObjectStart(DeployedApplicationImpl.java:1370)
    at com.ibm.ws.runtime.component.DeployedModuleImpl.start(DeployedModuleImpl.java:638)
    at com.ibm.ws.runtime.component.DeployedApplicationImpl.start(DeployedApplicationImpl.java:968)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:769)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplicationDynamically(ApplicationMgrImpl.java:1364)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:2169)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:445)
    at com.ibm.ws.runtime.component.CompositionUnitImpl.start(CompositionUnitImpl.java:123)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:388)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.access$500(CompositionUnitMgrImpl.java:116)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl$1.run(CompositionUnitMgrImpl.java:663)
    at com.ibm.ws.security.auth.ContextManagerImpl.runAs(ContextManagerImpl.java:5339)
    at com.ibm.ws.security.auth.ContextManagerImpl.runAsSystem(ContextManagerImpl.java:5555)
    at com.ibm.ws.security.core.SecurityContext.runAsSystem(SecurityContext.java:255)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.startCompositionUnit(CompositionUnitMgrImpl.java:677)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.startCompositionUnit(CompositionUnitMgrImpl.java:621)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:1256)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
    at java.lang.reflect.Method.invoke(Method.java:611)
    at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:49)
    at sun.reflect.GeneratedMethodAccessor29.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
    at java.lang.reflect.Method.invoke(Method.java:611)
    at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:256)
    at javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1085)
    at javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:966)
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:848)
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:773)
    at com.ibm.ws.management.AdminServiceImpl$1.run(AdminServiceImpl.java:1335)
    at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:118)
    at com.ibm.ws.management.AdminServiceImpl.invoke(AdminServiceImpl.java:1228)
    at com.ibm.ws.management.commands.AdminServiceCommands$InvokeCmd.execute(AdminServiceCommands.java:251)
    at com.ibm.ws.console.core.mbean.MBeanHelper.invoke(MBeanHelper.java:241)
    at com.ibm.ws.console.appdeployment.ApplicationDeploymentCollectionAction.execute(ApplicationDeploymentCollectionAction.java:578)
    at org.apache.struts.action.RequestProcessor.processActionPerform(Unknown Source)
    at org.apache.struts.action.RequestProcessor.process(Unknown Source)
    at org.apache.struts.action.ActionServlet.process(Unknown Source)

对缺少jar进行补充：
*com.ibm.ws.wstx.handler.WSATGenerator*
此类经确认是在此目录下（至于为何不被加载，不清楚）

/home/wasadmin/IBM/WebSphere/AppServer/runtimes/com.ibm.jaxws.thinclient_8.5.0.jar

手工将其挪到项目lib下，结果项目启动报错（主要是下面俩异常）

 java.lang.VerifyError,java.lang.J9VMInternals

删除was自带的axis2的相关jar：

经确认，was自带的axis2的jar目录在此

/home/wasadmin/IBM/WebSphere/AppServer/plugins/org.apache.axis2.jar

删除之后，was直接凉了。。难受

替换was中的ibm jdk rt.jar为本地的jar：

同上，was炸

禁用was自带的webservice ：

修改MANIFEST.MF 增加 DisableIBMJAXWSEngine: true 属性，无效，该报错还是报错。

问题解决

无奈之下的操作，撞大运，还真给撞到了。

删除了项目中的 
webserviceclient.jar 和 aopalliance-1.0.jar

就解决了…

思考与回顾

此次升级是数年开发一来遇到最扯的问题，对此类企业级中间件本身不熟，再加上资料非常难找，IBM官方给的was文档中的做法也不行（客观的来说是我没完全理解，或者不适用与我的问题）。问题解决之后，仔细想了下，其实不是axis的冲突，而是调用axis的代码出现了冲突，也就是 webserviceclient.jar

解决此类问题的关键所在，在于找到冲突的jar，删除/替换之，仅仅看别人的问题记录不足以解决问题，需躬亲试之！