jbpm4.4 tomcat6.x myelipse8.6
ProcessEngine cannot be jbpm org.apache.jasper.JasperException: Unable to compile class for JSP:
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/deploy_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
juel-impl.jar
有时候出一些莫名其妙的的错误是因为tomcat没有启动,自己本身直接运行 流程定义
org.jbpm.api.JbpmException: error: parsing exception: expression factory cla