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| <title>web.xml Visual Editor: Message Destination References</title> |
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| <h1>web.xml Visual Editor: Message Destination References</h1> |
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| <p>Use the Message Destination References section to add, remove, and view the web application's message destination references. |
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| <p>The J2EE specification lets J2EE components refer to message destination objects by using logical names called message destination references. A message destination reference points to a message destination that can be defined in an EJB module, application client module, or web module.</p> |
| <p>To declare a message destination reference, you must register it in the <code dir="ltr">web.xml</code> file. When you do this, you provide information needed by the server to use the resource reference.</p> |
| <p>In the Visual Editor, click <b>References</b> at the top of the editor to open the References section, then click the Message Destination References header to open the Message Destination References section. |
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| <p>Click <b>Add</b> to define a message destination reference element with the following properties:</p> |
| |
| <table summary="User interface elements and descriptions" dir="ltr" border="1" width="100%" frame="hsides" rules="groups" cellpadding="3" cellspacing="0"> |
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| <col width="*" /> |
| <thead> |
| <tr align="left" valign="top"> |
| <th align="left" valign="bottom" id="r1c1-t18">Element</th> |
| <th align="left" valign="bottom" id="r1c2-t18">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr align="left" valign="top"> |
| <td align="left" id="r2c1-t18" headers="r1c1-t18"> |
| <p>Reference Name</p> |
| </td> |
| <td align="left" headers="r2c1-t18 r1c2-t18">Specifies the reference's name, such as <code dir="ltr">myDataSource</code>. Note that the name of the message destination reference is relative to the <code dir="ltr">java:comp/env context</code>. For example, the name should be <code dir="ltr">jms/MyBidQueue</code> and not <code dir="ltr">java:comp/env/jms/MyBidQueue</code>.</td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r3c1-t18" headers="r1c1-t18"> |
| <p>Reference Type</p> |
| </td> |
| <td align="left" headers="r3c1-t18 r1c2-t18">Specifies the expected type of the referenced destination, either <code dir="ltr">java.jms.Queue</code> or <code dir="ltr">java.jms.Topic</code>.</td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r4c1-t18" headers="r1c1-t18"> |
| <p>Usage</p> |
| </td> |
| <td align="left" headers="r4c1-t18 r1c2-t18">Specifies what the message destination does to messages: consumes, produces, or both.</td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r5c1-t18" headers="r1c1-t18"> |
| <p>Link to Message Destination</p> |
| </td> |
| <td align="left" headers="r5c1-t18 r1c2-t18">Name of the message destination.</td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r6c1-t18" headers="r1c1-t18"> |
| <p>Description</p> |
| </td> |
| <td align="left" headers="r6c1-t18 r1c2-t18">Specifies a description for the reference.</td> |
| </tr> |
| </tbody> |
| </table> |
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