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This version contains a new conversion logic which is Locale aware and can affect your application when you are using some uncommon solutions. One of these is to use a number literals in Freemarker template. In such case Freemarker treats them as numbers (as BigDecimals) and Struts logic converts them to a string with decimal zero, see the example below:

<@s.textfield name="userId" value=35/>

this snippet will produce the following Html control:

<input type="text" name="userId" value="35.0"/>

To resolves this problem you must add quotes around the value:

<@s.textfield name="userId" value="35"/>

This is due how Freemarker treats a number literals.