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Editorial Team
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Asked: 2026-06-11T23:18:42+00:00

Consider the following where availableExclusions is an array of Date objects. <s:select listValue=(new java.text.SimpleDateFormat(‘MM/dd/yyyy’)).format(new

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Consider the following where availableExclusions is an array of Date objects.

<s:select listValue="(new java.text.SimpleDateFormat('MM/dd/yyyy')).format(new java.util.Date(#this[0].time))" size="25" id="inputExclusionDates" name="available" list="availableExclusions" multiple="true" cssClass="multi-select" />

I created the above in response to this question How would I format a list of dates within a struts 2 select tag? (and I also recommended that the other solution may be the better way to go). Regardless if using such long OGNL expression is a good idea or not, I can’t see the need for: new java.util.Date(#this[0].time) despite creating that fragment out of frustration and to my surprise found it worked where the seemingly equivalent #this[0] did not (produced no output).

If we substitute in listValue="#this[0].class" we see what we would expect: class java.util.Date

Creating a new Date behaves as expected, and calling the deprecated properties of Date such as listValue="#this[0].day" produces the expected output.

Why must I use the redundant expression new java.util.Date(#this[0].time) instead of #this[0] in this select statement?

Using Struts 2.3.1.2

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1 Answer

  1. Editorial Team

    Because #this[0] is automatically converted to String. If you turn log level to debug you can see an exception message that’s normally suppressed.

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