Struts 2 Time Control

When using the STRUTS2 framework, we were given the time picker control: DateTimePicker. However, during the use of the process, there will be some problems, mainly is the STRUTS2 version of the update made some changes. In the struts2.0, when using <s:datetimepicker/>, you need to declare in the

Expression parameters.parsecontent is undefined on line, column, and TEMPLATE/AJAX/HEAD.FTL. The problematic instruction:
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==> ${parameters.parsecontent?string} [on line, column, and TEMPLATE/AJAX/HEAD.FTL]
----------Note that there is a jar package for struts that needs to be introduced here: Struts2-dojo-plugin-2.x.x.jar.

Struts 2 Time Control