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The Action instance is always pushed onto the value stack. Because the Action is on the stack, and the stack is the OGNL root, references to Action properties can omit the # marker. But, to access other objects in the ActionContext, we must use the # notation so OGNL knows not to look in the root object, but for some other object in the ActionContext.
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<s:property value="postalCode"/> |
Other (non-root) objects in the ActionContext can be rendered use the # notation.
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<s:property value="#session.mySessionPropKey"/> or <s:property value="#session['mySessionPropKey']"/> or <s:property value="#request['myRequestPropKey']"/> |
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