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Editorial Team
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Asked: 2026-06-14T09:41:59+00:00

I have the following code: <form:select path=roles items=${roleList} itemLabel=roleType itemValue=id /> It generates html

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I have the following code:

<form:select path="roles" items="${roleList}" itemLabel="roleType" itemValue="id" />

It generates html as below:

<select id="roles" name="roles" multiple="multiple">
 <option value="1">ROLE_ADMIN</option>
 <option value="2">ROLE_HQ</option>
 <option value="3">ROLE_MASTER</option>
 <option value="4">ROLE_STATE</option>
 <option value="5">ROLE_CENTRE</option>
</select>

Also I do not use the multiple optional attribute. Any idea why does the generated HTML contain "multiple="multiple" ?

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1 Answer

  1. Editorial Team

    Just a guess, but since you mapped it on roles, and since roles is probably a collection, it makes sense to make the select box multiple. If it was not multiple, you would only be able to store a single item in the collection. And the tag would not be able to display the selected roles.

    EDIT: after reading the source code of the tag, it appears my guess was right. See the forceMultiple() method in SelectTag.

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