struts2.3.15.3 version controls why not show

With the latest jar under the struts2 . As follows :
<% @ page language = "java" contentType = "text / html; charset = UTF-8"
pageEncoding = "UTF-8"%>
<% @ taglib prefix = "s" uri = "/ struts-tags"%>
<% @ taglib prefix = "sx" uri = "/ struts-dojo-tags"%>

or plus
are not displayed , browser reported 'djConfig' undefined error , the time control is not displayed
plus
reported inexplicable FreeMarker template error!
Expression parameters.parseContent is undefined on line 45, column 28 in template / ajax / head.ftl.
The problematic instruction:
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==> $ {parameters.parseContent? string} [on line 45, column 26 in template / ajax / head.ftl]


struts2 jar package is : struts2-core-2.3.15.3.jar, struts2-dojo-plugin-2.3.15.3.jar, struts2-spring-plugin-2.3.15.3.jar

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that version did not datetimepicker the
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struts2-dojo-plugin.jar
ja did not you have this ? The default is no .
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  The reply was deleted administrator at 2013-11-23 09:26:38

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not have it. I found in my jar in the document
datetimepicker

To use this tag:
Add: <% @ taglib prefix = "sx" uri = "/ struts-dojo-tags"%> to your page.
The head tag must be included on the page, which can be configured for performance or debugging purposes.
If the parseContent parameter for the head tag is false (it is false by default), then the id tag is required.
There he wrote the example
Examples






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struts2 ; jar package is : struts2-core-2.3.15.3.jar, struts2-dojo-plugin-2.3.15.3.jar, struts2-spring-plugin-2.3.15.3.jar
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I also, now find solutions way , if the label has a label in the words of , label can show that the controls do not show up , but will be very slow page loads, which is why?