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https://issues.apache.org/jira/browse/WW-4135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13701822#comment-13701822
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Lucy commented on WW-4135:
--------------------------

Hi, I found what was causing the problem:
I compared the sumbit.ftl with the file supplied in source code of 
struts-2.3.15. I found the one we are using has one extra line at line 55:

<@s.property value="parameters.body"/>

This extra line seems caused the debug information shown in the result HTML 
page. After I have removed the line, now the problem disappeared.

Can you please explain why the same template file with 
struts-struts2-core-2.3.14.3 didn't show the problem?

thanks.
                
> It is showing some debug text like java.lang.Object@3fa472bf next to the 
> button generated by s:submit tag
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: WW-4135
>                 URL: https://issues.apache.org/jira/browse/WW-4135
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core Actions
>    Affects Versions: 2.3.15
>            Reporter: Lucy
>             Fix For: 2.3.16
>
>
> We are using s:submit rendering the action buttons.
> Today when I upgraded the struts2 version from 2.3.4.1 to 2.3.15, now it is 
> showing some debugging text like:
> java.lang.Object@3fa472bf on the left side of the button. The button still 
> functions fine.
> I just tested it with struts2-core-2.3.14.3, it didn't show the problem. So 
> this is a regression bug.

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