菜鸟求助：JSTL的x标签部分使用时总是报错

王朝html/css/js·作者佚名 2006-01-09

JSTL: x:parse的使用

test1 test2

错误是：

message

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

exception

javax.servlet.ServletException: Cannot inherit from final class

org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:682)

org.apache.jsp.jstl.x_005fparse_jsp._jspService(x_005fparse_jsp.java:81)

org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:136)

javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:320)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:293)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240)

javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

root cause

java.lang.VerifyError: Cannot inherit from final class

java.lang.ClassLoader.defineClass0(Native Method)

java.lang.ClassLoader.defineClass(ClassLoader.java:502)

java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)

org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1656)

org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:891)

org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1340)

org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1220)

java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)

org.apache.taglibs.standard.tag.common.xml.ExprSupport.doStartTag(ExprSupport.java:63)

org.apache.taglibs.standard.tag.el.xml.ExprTag.doStartTag(ExprTag.java:62)

org.apache.jsp.jstl.x_005fparse_jsp._jspx_meth_x_out_0(x_005fparse_jsp.java:148)

org.apache.jsp.jstl.x_005fparse_jsp._jspService(x_005fparse_jsp.java:71)

org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:136)

javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:320)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:293)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240)

javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

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