zoukankan      html  css  js  c++  java
  • JBPM4.4部署到tomcat6异常解决办法

    java.lang.LinkageError: loader constraint violation: when resolving interface method "javax.servlet.jsp.JspApplicationContext.getExpressionFactory()Ljavax/el/ExpressionFactory;" the class loader (instance of org/apache/jasper/servlet/JasperLoader) of the current class, org/apache/jsp/index_jsp, and the class loader (instance of org/apache/catalina/loader/StandardClassLoader) for resolved class, javax/servlet/jsp/JspApplicationContext, have different Class objects for the type javax/el/ExpressionFactory used in the signature  org.apache.jsp.index_jsp._jspInit(index_jsp.java:23)  org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:52)  org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:159)  org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:329)  org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)  org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)  javax.servlet.http.HttpServlet.service(HttpServlet.java:717)  org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:88)  org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)  org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
    原因是项目中WEB-INFlib中的三个jar包(juel.jar, juel-engine.jar, juel-impl.jar)和
    tomcat6下lib中jar包(el-api.jar)冲突
    解决方法:
    将juel.jar, juel-engine.jar, juel-impl.jar这三个包复制到tomcat6下lib中,
    并删除tomcat/lib原来的el-api.jar,同时把WEB-INFlib中的juel.jar, juel-engine.jar, juel-impl.jar删除即可。
  • 相关阅读:
    2020-11-15日报博客-一周总结
    2020-11-13日报博客-周五
    2020-11-12日报博客-周四
    2020-11-11日报博客-周三
    掌握多态概念的关键点
    使用抽象类
    不允许继承的类
    动手实验:继承条件下的构造方法调用
    继承条件下类的访问权限
    在Java中实现继承
  • 原文地址:https://www.cnblogs.com/101key/p/3938494.html
Copyright © 2011-2022 走看看