jboss 5 报错：Failed to create a new SAX parser 解决办法 (转载）)

一个项目，在TOMCAT下运行正常，但移植到JBOSS5下就报错：

10:45:52,109 ERROR [JBossContextConfig] XML error parsing: context.xml

org.jboss.xb.binding.JBossXBRuntimeException: Failed to create a new SAX parser

at org.jboss.xb.binding.UnmarshallerFactory$UnmarshallerFactoryImpl.newUnmarshaller(UnmarshallerFactory.java:100)

at org.jboss.web.tomcat.service.deployers.JBossContextConfig.processContextConfig(JBossContextConfig.java:549)

at org.jboss.web.tomcat.service.deployers.JBossContextConfig.init(JBossContextConfig.java:536)

at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:279)

at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)

at org.apache.catalina.core.StandardContext.init(StandardContext.java:5436)

at org.apache.catalina.core.StandardContext.start(StandardContext.java:4148)

at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeployInternal(TomcatDeployment.java:310)

at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeploy(TomcatDeployment.java:142)

at org.jboss.web.deployers.AbstractWarDeployment.start(AbstractWarDeployment.java:461)

at org.jboss.web.deployers.WebModule.startModule(WebModule.java:118)

at org.jboss.web.deployers.WebModule.start(WebModule.java:97)

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.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)

at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)

at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)

at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)

at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)

at org.jboss.system.microcontainer.ServiceProxy.invoke(ServiceProxy.java:206)

at $Proxy38.start(Unknown Source)

at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:42)

at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:37)

at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62)

at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71)

at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51)

at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)

at org.jboss.system.microcontainer.ServiceControllerContext.install(ServiceControllerContext.java:286)

at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631)

at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)

at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082)

at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)

at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)

at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)

at org.jboss.system.ServiceController.doChange(ServiceController.java:688)

at org.jboss.system.ServiceController.start(ServiceController.java:460)

at org.jboss.system.deployers.ServiceDeployer.start(ServiceDeployer.java:163)

at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:99)

at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:46)

at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62)

at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50)

at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:171)

at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1439)

at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1157)

at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1178)

at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1098)

at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)

at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631)

at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)

at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082)

at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)

at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)

at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)

at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:781)

at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:702)

at org.jboss.system.server.profileservice.repository.MainDeployerAdapter.process(MainDeployerAdapter.java:117)

at org.jboss.system.server.profileservice.repository.ProfileDeployAction.install(ProfileDeployAction.java:70)

at org.jboss.system.server.profileservice.repository.AbstractProfileAction.install(AbstractProfileAction.java:53)

at org.jboss.system.server.profileservice.repository.AbstractProfileService.install(AbstractProfileService.java:361)

at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)

at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631)

at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)

at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082)

at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)

at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)

at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)

at org.jboss.system.server.profileservice.repository.AbstractProfileService.activateProfile(AbstractProfileService.java:306)

at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:271)

at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:461)

at org.jboss.Main.boot(Main.java:221)

at org.jboss.Main$1.run(Main.java:556)

at java.lang.Thread.run(Thread.java:619)

Caused by: org.jboss.xb.binding.JBossXBException: Failed to create a new SAX parser

at org.jboss.xb.binding.parser.sax.SaxJBossXBParser.<init>(SaxJBossXBParser.java:97)

at org.jboss.xb.binding.UnmarshallerImpl.<init>(UnmarshallerImpl.java:56)

at org.jboss.xb.binding.UnmarshallerFactory$UnmarshallerFactoryImpl.newUnmarshaller(UnmarshallerFactory.java:96)

... 73 more

Caused by: java.lang.ClassCastException: org.apache.xerces.parsers.XML11Configuration cannot be cast to org.apache.xerces.xni.parser.XMLParserConfiguration

at org.apache.xerces.parsers.SAXParser.<init>(Unknown Source)

at org.apache.xerces.parsers.SAXParser.<init>(Unknown Source)

at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.<init>(Unknown Source)

at org.apache.xerces.jaxp.SAXParserImpl.<init>(Unknown Source)

at org.apache.xerces.jaxp.SAXParserFactoryImpl.newSAXParser(Unknown Source)

at org.jboss.xb.binding.parser.sax.SaxJBossXBParser.<init>(SaxJBossXBParser.java:92)

... 75 more

很奇怪，经过千辛万苦的查找原因，最终把它解决了。

解决办法：删掉项目中的xerces-2.6.2.jar和xml-apis.jar两个文件！