<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<body link="#355491" alink="#4262a1" vlink="#355491" style="background: #e2e2e2; margin: 0; padding: 20px;">
<div>
<table cellpadding="0" bgcolor="#FFFFFF" border="0" cellspacing="0" style="border: 1px solid #dadada; margin-bottom: 30px; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td>
<table border="0" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF" style="border: solid 2px #ccc; background: #dadada; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td bgcolor="#000000" valign="middle" height="58px" style="border-bottom: 1px solid #ccc; padding: 20px; -moz-border-radius-topleft: 3px; -moz-border-radius-topright: 3px; -webkit-border-top-right-radius: 5px; -webkit-border-top-left-radius: 5px;">
<h1 style="color: #333333; font: bold 22px Arial, Helvetica, sans-serif; margin: 0; display: block !important;">
<!-- To have a header image/logo replace the name below with your img tag -->
<!-- Email clients will render the images when the message is read so any image -->
<!-- must be made available on a public server, so that all recipients can load the image. -->
<a href="http://community.jboss.org/index.jspa" style="text-decoration: none; color: #E1E1E1">JBoss Community</a></h1>
</td>
</tr>
<tr>
<td bgcolor="#FFFFFF" style="font: normal 12px Arial, Helvetica, sans-serif; color:#333333; padding: 20px; -moz-border-radius-bottomleft: 4px; -moz-border-radius-bottomright: 4px; -webkit-border-bottom-right-radius: 5px; -webkit-border-bottom-left-radius: 5px;"><h3 style="margin: 10px 0 5px; font-size: 17px; font-weight: normal;">
Re: How to use external jars not contained in JBoss
</h3>
<span style="margin-bottom: 10px;">
created by <a href="http://community.jboss.org/people/alesj">Ales Justin</a> in <i>JBoss Microcontainer</i> - <a href="http://community.jboss.org/message/564124#564124">View the full discussion</a>
</span>
<hr style="margin: 20px 0; border: none; background-color: #dadada; height: 1px;">
<div class="jive-rendered-content"><blockquote class="jive-quote"><p><span>Thanks for your info, but unfortunately I must admit that I don't get it.  Is there any documentation available that explains this to non JBoss cracks? </span></p><p><span>I also read your mail on </span><a class="jive-link-message-small" href="http://community.jboss.org/message/7542#7542" target="_blank">http://community.jboss.org/message/7542#7542</a> but I did not find the documentation you mentioned about configuring the deployer, I did not find any doc about custom deployers at all.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>So after a few hours of internet searching: Could you please give me some more jump start on this?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Is there any doc available on how to do this for JBoss 5.1?</p></blockquote><p>Unfortunately the community docs are poor wrt this issue, but support ... ;-)</p><p>But let's try to make this work anyway.</p><blockquote class="jive-quote">Is it correct that I have to derive from PathUrlIntegrationDeployer?<p>How do I connect/configure the deployer with the ear? I have no clue what files I have to put to the deployers directory and how to name them.</p></blockquote><p>Yeah, or any UrlIntegrationDeployer (including it) would do -- depends on what you need.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I suggest you first read this article about VDF:<strong> </strong><a class="jive-link-external-small" href="http://java.dzone.com/articles/jboss-microcontainer-virtual-deployment-framework" target="_blank">http://java.dzone.com/articles/jboss-microcontainer-virtual-deployment-framework</a></p><p>to get a better feel for how deployers actually work -- if you haven't already.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Each deployer checks every deployment, sub-deployment, sub-sub-deployment, ..</p><p>So, when you write your own "integration" deployer, make sure you short circuit asap,</p><p>only applying integration logic to (sub*)deployments that really need it.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The logic of adding external lib is already written in the UrlIntDeployer, you just need to fill in the blanks.</p><p>Then simply deploy this new deployer in deployers/ dir as we do for some our JBoss deployers -- see *-jboss-beans.xml files.</p><p>Deployer is nothing than a MC bean, and the MC kernel will pick it up automagically. ;-)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>What this UrlIntDeployer does it simply alters spec defined classpath with additional resources; e.g. your ext lib.</p><p>So, when constructing deployment's classloader we use this classpath, not really bothering where the resources come from.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>If the resources are already shared by some parent classloader or common classloading domain,</p><p>and your classloader's lookup first delegates to them (e.g. plain cl behavior or non-web behavior),</p><p>you should also be fine with no dup classes loaded aka can easily be shared.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>HTH?</p></div>
<div style="background-color: #f4f4f4; padding: 10px; margin-top: 20px;">
<p style="margin: 0;">Reply to this message by <a href="http://community.jboss.org/message/564124#564124">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in JBoss Microcontainer at <a href="http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2114">Community</a></p>
</div></td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>