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From "Brad Cupit (JIRA)" <>
Subject [jira] Commented: (WW-2170) ObjectFactory.buildResult not correctly configuring Result instance properties
Date Wed, 09 Apr 2008 12:33:59 GMT


Brad Cupit commented on WW-2170:

yay! it should be really really easy (not including the test, I think it's just deleting 6
characters)  :-)

> ObjectFactory.buildResult not correctly configuring Result instance properties
> ------------------------------------------------------------------------------
>                 Key: WW-2170
>                 URL:
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core Actions
>    Affects Versions: 2.0.9
>         Environment: WIndows Server 2003
>            Reporter: Aaron Brown
>            Assignee: Don Brown
>             Fix For: 2.1.1
>         Attachments: ww-2170.patch, ww-2170.patch, ww-2170.patch
> Hi, I think I have stumbled across a bug in the ObjectFactory. 
> ObjectFactory.buildResult() invokes OgnlUtil.setProperties(resultConfig.getParams(),
result, extraContext, true) to populate a Result instance with a parameter map. In addition,
the call to OgnlUtil.setProperties forces exceptions to be thrown when necessary, by setting
the last parameter in the method call to 'true'. 
> If an exception is thrown, it is caught by the ObjectFactory and logged with a level
of DEBUG. Further, in the ObjectFactory.buildResult() method the following comment appears:
"ognl exceptions could be thrown and be ok if, for example, the result uses parameters in
ways other than as properties for the result object."	
> However, throwing exceptions is not ok. The Ognl.setProperties method will stop execution
if an exception is thrown. As such, it is possible that not all properties specified in the
ResultConfig parameter map will be set on the Result instance. 
> For example, I am trying to set a property on a JSONResult class. However, the ResultConfig
parameter map has a 'location' property in addition to the property in my Result action annotation.
(I havne't tracked down where this location is being set in the ResultConfig). The 'location'
property is the first thing that OgnlUtils tries to set and an error is thrown. Loop iteration
stops, and the "enableSMD" property in the params map is ignored and the Result class is incorrectly
> Here is my Action class:
> @Result(name = "success", value = "", type = JSONResult.class, params = {"enableSMD",
> public class JsonAction extends ActionSupport  {
> 	@SMDMethod
>     	public String getName(String client) {
>         return "testName";
>     	}
> }
> If all you want to do is log an erroneous attempt to set a property, why are you throwing
exceptions? The OgnlUtil.internalSetProperty() method will do that for you if it configured
not to throw exceptions.

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