严重: Exception starting filter app
java.lang.RuntimeException: Error invoking service binder method org.apache.tapestry5.internal.services.InternalModule.bind(ServiceBinder) (at InternalModule.java:65): javax/xml/stream/XMLResolver
at org.apache.tapestry5.ioc.internal.DefaultModuleDefImpl.bind(DefaultModuleDefImpl.java:495)
at org.apache.tapestry5.ioc.internal.DefaultModuleDefImpl.<init>(DefaultModuleDefImpl.java:119)
at org.apache.tapestry5.ioc.RegistryBuilder.add(RegistryBuilder.java:124)
at org.apache.tapestry5.internal.TapestryAppInitializer.addModules(TapestryAppInitializer.java:128)
at org.apache.tapestry5.internal.TapestryAppInitializer.<init>(TapestryAppInitializer.java:90)
at org.apache.tapestry5.TapestryFilter.init(TapestryFilter.java:74)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3800)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4450)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
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:585)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: java.lang.NoClassDefFoundError: javax/xml/stream/XMLResolver
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1850)
at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:890)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1354)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at org.apache.tapestry5.internal.services.InternalModule.bind(InternalModule.java:66)
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:585)
at org.apache.tapestry5.ioc.internal.DefaultModuleDefImpl.bind(DefaultModuleDefImpl.java:466)
... 23 more

不知道原因，有人知道吗？

我是初学者，头疼！

Caused by: java.lang.NoClassDefFoundError: javax/xml/stream/XMLResolver


你的java版本是多少？

知道怎么回事了，少了两个包。
stax-api-1.0.1.jar    stax2-api-3.0.1.jar