基于jbpm4的web项目发布时遇到如下错误提示:
exception
javax.servlet.ServletException: 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/OnDuty/wfmanage_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.jasper.servlet.JspServlet.service(JspServlet.java:275)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
root cause
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/OnDuty/wfmanage_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.OnDuty.wfmanage_jsp._jspInit(wfmanage_jsp.java:27)
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)
解决方法:将WEB-INF/lib文件下的juel.jar,juel-engine.jar,juel-impl.jar剪切到tomcat安装目录下的lib目录下,同时删除lib目录下的el-api.jar
分享到:
相关推荐
只是一个简单的基于web的jbpm5.2项目,运行在tomcat上,只要正确的安装jbpm5以上版本,正确配置tomcat即可运行,tomcat配置问题可以给我发信息
本示例主要实现了流程的基本管理,流程实例的管理,...使用本例子只需要拷贝jbpm4.3的lib的jar包到本实例lib里面即可运行,注意用tomcat6的话必须把juel.jar,juel-engine.jar、juel-impl.jar剪切到tomcat的lib目录下。
jBPM4.4 安装在Tomcat+MySql环境
jbpm4.4+tomcat+s2sh 完整开发请假流程jbpm
jbpm4源码jbpm4源码jbpm4源码
NULL 博文链接:https://rmn190.iteye.com/blog/355261
jBPM4用mysql数据库安装到tomcat.
本人使用JDK1.7(1.6也可),JBPM4,Tomcat6(7),myeclipse9(7,8均可),Ant1.9,oracle9i(10,11也可)。详细讲解了该配置,并配有部分截图。配置完以后,添加了user library和运行时环境,添加jPDL4 模式等。另外...
讲述如何修改jbpm4.4的配置,并讲了如何使用浏览器设计工作流
这是web-jbpm的开发框架,布署到tomcat里面用,只要生成一个mysql的jbpm数据库执行mysql.create.sql, 实现了上传流程定义文件.可以数据库中查看 里面的架包是jbpm-starters-kit-3.1.4\jbpm.3\lib下面的所有包; 还有...
jbpmweb工程 博文链接:https://lansky07.iteye.com/blog/285847
用jbpm写了一个简单的“请假流程”,供初学者参考。
主要是关于将JBPM工作流发布的TOMCAT 和使用MYSQL来维护数据的实例。
经过大量的失败之后,以及网上各位大哥的指点,终于将JBPM成功部署到了TOMCAT上面,本文就是一些心得.希望能给初学者带来点好处,有不明白可以加我QQ:376969488,共同交流和学习.
5.1表JBPM4_DEPLOYMENT 7 5.2 表JBPM4_DEPLOYPROP 7 5.3 表JBPM4_EXECUTION 8 5.4 表JBPM4_HIST_ACTINST 9 5.5 表JBPM4_HIST_DETAIL 9 5.6 表JBPM4_HIST_PROCINST 10 5.7 表JBPM4_HIST_TASK 11 5.8 表JBPM4_HIST_VAR...
手动发布JBPM默认Demo到Tomcat和MySQL ,很实用的东西!
jbpm应用开发指面(胡奇) jbpm4.3表结构和表字段说明 [jBPM开发指南].高杰.文字版 jBPM5_用户手册-中文版
jboss jbpm4最新开发包 采用了pvm框架
java源代码分包详解JBPM4 java源代码分包详解JBPM4