javax.servlet.ServletException: java.lang.ClassFormatError: Incompatible magic value 0解决方案

异常信息如下：

HTTP Status 500 -

---

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: java.lang.ClassFormatError: Incompatible magic value 0 in class file org/apache/jsp/setting/noticeMaintain_jsporg.apache.jasper.servlet.JspServlet.service(JspServlet.java:273)javax.servlet.http.HttpServlet.service(HttpServlet.java:803)com.haiyisoft.ep.framework.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:95)org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletDispatcherResult.java:164)org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186)com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:371)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:275)com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:167)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265)org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.haiyisoft.ep.framework.ui.struts2.interceptors.ParametersInterceptor.doIntercept(ParametersInterceptor.java:109)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:239)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.haiyisoft.ep.framework.ui.struts2.file.FileUploadInterceptor.intercept(FileUploadInterceptor.java:79)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.haiyisoft.ep.framework.ui.struts2.interceptors.AutowiringServiceInterceptor.intercept(AutowiringServiceInterceptor.java:61)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:189)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:563)org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)com.haiyisoft.ep.framework.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:98)com.haiyisoft.ep.framework.filter.MenuRightItemFilter.doFilter(MenuRightItemFilter.java:96)com.haiyisoft.ep.framework.filter.AuthenticationFilter.doFilter(AuthenticationFilter.java:208)com.haiyisoft.ep.framework.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:77)org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

root cause

java.lang.ClassFormatError: Incompatible magic value 0 in class file org/apache/jsp/setting/noticeMaintain_jspjava.lang.ClassLoader.defineClass1(Native Method)java.lang.ClassLoader.defineClass(ClassLoader.java:791)java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)java.net.URLClassLoader.defineClass(URLClassLoader.java:449)java.net.URLClassLoader.access$100(URLClassLoader.java:71)java.net.URLClassLoader$1.run(URLClassLoader.java:361)java.net.URLClassLoader$1.run(URLClassLoader.java:355)java.security.AccessController.doPrivileged(Native Method)java.net.URLClassLoader.findClass(URLClassLoader.java:354)org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:134)org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66)org.apache.jasper.JspCompilationContext.load(JspCompilationContext.java:598)org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:143)org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:336)org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)javax.servlet.http.HttpServlet.service(HttpServlet.java:803)com.haiyisoft.ep.framework.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:95)org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletDispatcherResult.java:164)org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186)com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:371)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:275)com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:167)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265)org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.haiyisoft.ep.framework.ui.struts2.interceptors.ParametersInterceptor.doIntercept(ParametersInterceptor.java:109)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:239)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.haiyisoft.ep.framework.ui.struts2.file.FileUploadInterceptor.intercept(FileUploadInterceptor.java:79)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.haiyisoft.ep.framework.ui.struts2.interceptors.AutowiringServiceInterceptor.intercept(AutowiringServiceInterceptor.java:61)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:189)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:563)org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)com.haiyisoft.ep.framework.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:98)com.haiyisoft.ep.framework.filter.MenuRightItemFilter.doFilter(MenuRightItemFilter.java:96)com.haiyisoft.ep.framework.filter.AuthenticationFilter.doFilter(AuthenticationFilter.java:208)com.haiyisoft.ep.framework.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:77)org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

note The full stack trace of the root cause is available in the JBossWeb/2.0.1.GA logs.

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JBossWeb/2.0.1.GA

这个问题就如所说的ClassFormatError错误，类格式错误。

jsp怎么会成了一个类呢？这个我也不清楚，但最终我按照路径org/apache/jsp/setting/noticeMaintain_jsp找到了noticNaintain_jsp.class文件，之后重启服务器从新访问nitoceMaintain.jsp页面，让虚拟机从新编译noticeMaintain_jsp.class这个文件，问题就迎刃而解了。