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Note the use of remote div is now through the dojo plugin taglib sx. Other ui tags are also no longer available through the /struts-tags taglib but only through the /struts-dojo-tags taglib: datetimepicker and autocompleter.
Need to disable struts.devMode. This is not really a migration issue but rather seems a bug
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in 2.1.x:
Problem Symptom: You receive the following exception accessing a page:
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