weblogic10 el表达不能正常解析

Question

从tomcat上迁移到weblogic就粗问题了

el不能解析，试了网上很多方法都不行啊，谁遇到过啊

Compilation of JSP File '/EE/EngineeringEvaluationAdd.jsp' failed:

EngineeringEvaluationAdd.jsp:28:36: Syntax error in expression. Encountered "(". Expected one of : "}", ".", "[", ">", "gt", "<", "lt", ">=", "ge", "<=", "le", "==", "eq", "!=", "ne", "&&", "and", "||", "or", "*", "+", "-", "?", "/", "div", "%", "mod",
var paraNum = '${paraVOList.size()}';
^
EngineeringEvaluationAdd.jsp:81:86: Syntax error in expression. Encountered "(". Expected one of : "}", ".", "[", ">", "gt", "<", "lt", ">=", "ge", "<=", "le", "==", "eq", "!=", "ne", "&&", "and", "||", "or", "*", "+", "-", "?", "/", "div", "%", "mod",

^

java.lang.IllegalStateException: Response already committed
at weblogic.servlet.internal.ServletResponseImpl.objectIfCommitted(ServletResponseImpl.java:1629)
at weblogic.servlet.internal.ServletResponseImpl.sendError(ServletResponseImpl.java:637)
at org.apache.struts2.dispatcher.Dispatcher.sendError(Dispatcher.java:771)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:506)
at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
Truncated. see log file for complete stacktrace

Answer 1

var paraNum = '${paraVOList.size()}'; 写法不对，应该为${fn:length(paraVOList)}.