tomcat jar包冲突

最新推荐文章于 2023-01-29 10:42:21 发布

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最新推荐文章于 2023-01-29 10:42:21 发布

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本文介绍了一种常见的HTTP 500错误——ClassCastException，并提供了详细的解决方案，包括修改Tomcat配置的具体步骤。

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HTTP Status 500 - java.lang.ClassCastException: org.apache.catalina.util.DefaultAnnotationProcessor cannot be cast to org.apache.AnnotationProcessor

type Exception report

message java.lang.ClassCastException: org.apache.catalina.util.DefaultAnnotationProcessor cannot be cast to org.apache.AnnotationProcessor

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

exception

org.apache.jasper.JasperException: java.lang.ClassCastException: org.apache.catalina.util.DefaultAnnotationProcessor cannot be cast to org.apache.AnnotationProcessor
	org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:161)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:340)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
	com.bzy.filters.CharFilter.doFilter(CharFilter.java:35)
	com.bzy.filters.LoginFilter.doFilter(LoginFilter.java:35)

root cause

java.lang.ClassCastException: org.apache.catalina.util.DefaultAnnotationProcessor cannot be cast to org.apache.AnnotationProcessor
	org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:151)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:340)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
	com.bzy.filters.CharFilter.doFilter(CharFilter.java:35)
	com.bzy.filters.LoginFilter.doFilter(LoginFilter.java:35)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.37 logs.

××××解决方式：

修改 C:\Program Files (x86)\Apache Software Foundation\Tomcat 6.0\conf，在context 元素下添加   <Loader delegate="true" />