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Using OGNL to access Static Methods in Struts 2

One of my favorite things that OGNL can do in WebWorks and Struts 2 is call any static method using the OGNL scripting language. You can do this by using the notation 

@classname@methodname(arg)
This in the past has worked great for me, but when you are using Struts 2.1.x there is a new properties value that needs to be added to your struts.properties file. Add the following line:
struts.ognl.allowStaticMethodAccess=true

This value is set to false by default, so you are not able to access static methods. Since I was not aware of this, I wasted about a hour trying to hunt down why the method was never being called.

The good thing is that you can still access static constants using OGNL by calling 

@classname@CONSTANT

For more info on this change check out JIRA WW-2160

Posted on Aug 24, 2009 by Mike Jennings in Java | 0 Comments | Permalink



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