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From "Lukasz Lenart (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (WW-4066) Submitting form with parameters using brackets while devMode=true yields StringIndexOutOfBoundsException
Date Mon, 20 May 2013 05:41:17 GMT

    [ https://issues.apache.org/jira/browse/WW-4066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13661790#comment-13661790
] 

Lukasz Lenart commented on WW-4066:
-----------------------------------

The problem isn't related to {{ModelDriven}} but to order of interceptors in {{paramsPrepareParamsStack}}
and the mentioned warning is just in {{devMode}} to alert developer that something potentially
can be wrong.

If you take a look on {{paramsPrepareParamsStack}} you will spot that the {{params}} interceptor
is listed two times -  before and after {{prepare}}, but there is also {{modelDriven}} listed
just before the second {{params}} which will put non-null {{Model}} onto stack.

The mentioned warnings come from the first {{params}} as action doesn't have appropriate setters
and {{Model}} wasn't yet put onto stack. Even if you add additional {{modelDriven}} interceptor
before the first {{params}}, model still won't be on the stack as it is null. That's why I
have suggested to create a dedicated interceptor to solve that uncommon situation or move
logic to create {{Model}} into {{getModel()}} method.

Or leave everything as is as it's just a warning in {{devMode}} ;-)
                
> Submitting form with parameters using brackets while devMode=true yields StringIndexOutOfBoundsException
> --------------------------------------------------------------------------------------------------------
>
>                 Key: WW-4066
>                 URL: https://issues.apache.org/jira/browse/WW-4066
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core Actions
>    Affects Versions: 2.3.14
>            Reporter: Chris Cranford
>            Assignee: Lukasz Lenart
>             Fix For: 2.3.15
>
>         Attachments: testcase.zip
>
>
> Our BaseAction which extends ActionSupport overrides the addActionMessage() with the
following:
> {code:java}
> @Override
> public void addActionMessage(String message) {
>   super.addActionMessage(getText(message));
> }
> {code}
> With the above method in place during devMode=true, the following error stack trace occurs:
> {noformat}
> java.lang.StringIndexOutOfBoundsException: String index out of range: -1
>   at java.lang.String.substring(String.java:1871)
>   at com.opensymphony.xwork2.util.LocalizedTextUtil.findText(LocalizedTextUtil.java:426)
>   at com.opensymphony.xwork2.util.LocalizedTextUtil.findText(LocalizedTextUtil.java:362)
>   at com.opensymphony.xwork2.TextProviderSupport.getText(TextProviderSupport.java:208)
>   at com.opensymphony.xwork2.TextProviderSupport.getText(TextProviderSupport.java:123)
>   at com.opensymphony.xwork2.ActionSupport.getText(ActionSupport.java:103)
>   at com.setech.dw.common.web.BaseAction.addActionMessage(BaseAction.java:209)
>   at com.opensymphony.xwork2.interceptor.ParametersInterceptor.setParameters(ParametersInterceptor.java:337)
>   at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:241)
> {noformat}

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