s:checkbox design make a problem in the table design

If you have a table and you notice that the <s:checkbox> change the expected design, the solution is simple, add the following property to the tag, and it will be in line with other fields in the table:

<s:checkbox name="persistentBeanKey" theme="simple"
fieldValue="%{#attr.row.sequenceNumberN15}" id="persistentBeanKey"/>