199 lines
20 KiB
HTML
199 lines
20 KiB
HTML
<html><head><META http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><title>Apache Tomcat Configuration Reference - The GlobalNamingResources Component</title><meta name="author" value="Remy Maucherat"><meta name="email" value="remm@apache.org"><meta name="author" value="Yoav Shapira"><meta name="email" value="yoavs@apache.org"></head><body bgcolor="#ffffff" text="#000000" link="#525D76" alink="#525D76" vlink="#525D76"><table border="0" width="100%" cellspacing="0"><!--PAGE HEADER--><tr><td><!--PROJECT LOGO--><a href="http://tomcat.apache.org/"><img src="../images/tomcat.gif" align="right" alt="
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The Apache Tomcat Servlet/JSP Container
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" border="0"></a></td><td><font face="arial,helvetica,sanserif"><h1>Apache Tomcat 6.0</h1></font></td><td><!--APACHE LOGO--><a href="http://www.apache.org/"><img src="../images/asf-logo.gif" align="right" alt="Apache Logo" border="0"></a></td></tr></table><table border="0" width="100%" cellspacing="4"><!--HEADER SEPARATOR--><tr><td colspan="2"><hr noshade="noshade" size="1"></td></tr><tr><!--LEFT SIDE NAVIGATION--><td width="20%" valign="top" nowrap="true"><p><strong>Links</strong></p><ul><li><a href="../index.html">Docs Home</a></li><li><a href="index.html">Config Ref. Home</a></li></ul><p><strong>Top Level Elements</strong></p><ul><li><a href="server.html">Server</a></li><li><a href="service.html">Service</a></li></ul><p><strong>Executors</strong></p><ul><li><a href="executor.html">Executor</a></li></ul><p><strong>Connectors</strong></p><ul><li><a href="http.html">HTTP</a></li><li><a href="ajp.html">AJP</a></li></ul><p><strong>Containers</strong></p><ul><li><a href="context.html">Context</a></li><li><a href="engine.html">Engine</a></li><li><a href="host.html">Host</a></li><li><a href="cluster.html">Cluster</a></li></ul><p><strong>Nested Components</strong></p><ul><li><a href="globalresources.html">Global Resources</a></li><li><a href="loader.html">Loader</a></li><li><a href="manager.html">Manager</a></li><li><a href="realm.html">Realm</a></li><li><a href="resources.html">Resources</a></li><li><a href="valve.html">Valve</a></li></ul><p><strong>Cluster Elements</strong></p><ul><li><a href="cluster.html">Cluster</a></li><li><a href="cluster-manager.html">Manager</a></li><li><a href="cluster-channel.html">Channel</a></li><li><a href="cluster-membership.html">Channel/Membership</a></li><li><a href="cluster-sender.html">Channel/Sender</a></li><li><a href="cluster-receiver.html">Channel/Receiver</a></li><li><a href="cluster-interceptor.html">Channel/Interceptor</a></li><li><a href="cluster-valve.html">Valve</a></li><li><a href="cluster-deployer.html">Deployer</a></li><li><a href="cluster-listener.html">ClusterListener</a></li></ul></td><!--RIGHT SIDE MAIN BODY--><td width="80%" valign="top" align="left"><table border="0" width="100%" cellspacing="4"><tr><td align="left" valign="top"><h1>Apache Tomcat Configuration Reference</h1><h2>The GlobalNamingResources Component</h2></td><td align="right" valign="top" nowrap="true"><small><a href="printer/globalresources.html"><img src="../images/printer.gif" border="0" alt="Printer Friendly Version"><br>print-friendly<br>version
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</a></small></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Introduction"><strong>Introduction</strong></a></font></td></tr><tr><td><blockquote>
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<p>The <strong>GlobalNamingResources</strong> element defines the global
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JNDI resources for the <a href="server.html">Server</a>.</p>
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<p>These resources are listed in the server's global JNDI resource context.
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This context is distinct from the per-web-application JNDI contexts
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described in
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the <a href="../jndi-resources-howto.html">JNDI Resources HOW-TO</a>.
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The resources defined in this element are <strong>not</strong> visible in
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the per-web-application contexts unless you explicitly link them with
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<a href="context.html#Resource Links"><ResourceLink></a> elements.
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</p>
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</blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Attributes"><strong>Attributes</strong></a></font></td></tr><tr><td><blockquote>
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</blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Nested Components"><strong>Nested Components</strong></a></font></td></tr><tr><td><blockquote>
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</blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Special Features"><strong>Special Features</strong></a></font></td></tr><tr><td><blockquote>
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<table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Environment Entries"><strong>Environment Entries</strong></a></font></td></tr><tr><td><blockquote>
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<p>You can configure named values that will be made visible to all
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web applications as environment entry resources by nesting
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<code><Environment></code> entries inside this element. For
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example, you can create an environment entry like this:</p>
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<div align="left"><table cellspacing="4" cellpadding="0" border="0"><tr><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#ffffff" height="1"><pre>
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<GlobalNamingResources ...>
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...
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<Environment name="maxExemptions" value="10"
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type="java.lang.Integer" override="false"/>
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...
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</GlobalNamingResources>
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</pre></td><td bgcolor="#023264" width="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr></table></div>
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<p>This is equivalent to the inclusion of the following element in the
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web application deployment descriptor (<code>/WEB-INF/web.xml</code>):
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</p>
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<div align="left"><table cellspacing="4" cellpadding="0" border="0"><tr><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#ffffff" height="1"><pre>
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<env-entry>
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<env-entry-name>maxExemptions</env-entry-name>
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<env-entry-value>10</env-entry-value>
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<env-entry-type>java.lang.Integer</env-entry-type>
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</env-entry>
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</pre></td><td bgcolor="#023264" width="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr></table></div>
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<p>but does <em>not</em> require modification of the deployment descriptor
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to customize this value.</p>
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<p>The valid attributes for an <code><Environment></code> element
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are as follows:</p>
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<table border="1" cellpadding="5"><tr><th width="15%" bgcolor="#023264"><font color="#ffffff">Attribute</font></th><th width="85%" bgcolor="#023264"><font color="#ffffff">Description</font></th></tr><tr><td align="left" valign="center"><code>description</code></td><td align="left" valign="center">
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<p>Optional, human-readable description of this environment entry.</p>
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</td></tr><tr><td align="left" valign="center"><strong><code>name</code></strong></td><td align="left" valign="center">
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<p>The name of the environment entry to be created, relative to the
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<code>java:comp/env</code> context.</p>
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</td></tr><tr><td align="left" valign="center"><code>override</code></td><td align="left" valign="center">
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<p>Set this to <code>false</code> if you do <strong>not</strong> want
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an <code><env-entry></code> for the same environment entry name,
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found in the web application deployment descriptor, to override the
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value specified here. By default, overrides are allowed.</p>
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</td></tr><tr><td align="left" valign="center"><strong><code>type</code></strong></td><td align="left" valign="center">
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<p>The fully qualified Java class name expected by the web application
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for this environment entry. Must be one of the legal values for
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<code><env-entry-type></code> in the web application deployment
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descriptor: <code>java.lang.Boolean</code>,
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<code>java.lang.Byte</code>, <code>java.lang.Character</code>,
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<code>java.lang.Double</code>, <code>java.lang.Float</code>,
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<code>java.lang.Integer</code>, <code>java.lang.Long</code>,
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<code>java.lang.Short</code>, or <code>java.lang.String</code>.</p>
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</td></tr><tr><td align="left" valign="center"><strong><code>value</code></strong></td><td align="left" valign="center">
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<p>The parameter value that will be presented to the application
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when requested from the JNDI context. This value must be convertable
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to the Java type defined by the <code>type</code> attribute.</p>
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</td></tr></table>
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</blockquote></td></tr></table>
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<table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Resource Definitions"><strong>Resource Definitions</strong></a></font></td></tr><tr><td><blockquote>
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<p>You can declare the characteristics of resources
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to be returned for JNDI lookups of <code><resource-ref></code> and
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<code><resource-env-ref></code> elements in the web application
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deployment descriptor by defining them in this element and then linking
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them with <a href="context.html#Resource Links"><ResourceLink></a>
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elements
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in the <code><strong><Context></strong></code> element.
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You <strong>MUST</strong> also define any other needed parameters using
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attributes on the Resource element, to configure
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the object factory to be used (if not known to Tomcat already), and
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the properties used to configure that object factory.</p>
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<p>For example, you can create a resource definition like this:</p>
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<div align="left"><table cellspacing="4" cellpadding="0" border="0"><tr><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#ffffff" height="1"><pre>
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<GlobalNamingResources ...>
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...
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<Resource name="jdbc/EmployeeDB" auth="Container"
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type="javax.sql.DataSource"
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description="Employees Database for HR Applications"/>
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...
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</GlobalNamingResources>
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</pre></td><td bgcolor="#023264" width="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr></table></div>
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<p>This is equivalent to the inclusion of the following element in the
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web application deployment descriptor (<code>/WEB-INF/web.xml</code>):</p>
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<div align="left"><table cellspacing="4" cellpadding="0" border="0"><tr><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#ffffff" height="1"><pre>
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<resource-ref>
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<description>Employees Database for HR Applications</description>
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<res-ref-name>jdbc/EmployeeDB</res-ref-name>
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<res-ref-type>javax.sql.DataSource</res-ref-type>
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<res-auth>Container</res-auth>
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</resource-ref>
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</pre></td><td bgcolor="#023264" width="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr></table></div>
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<p>but does <em>not</em> require modification of the deployment
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descriptor to customize this value.</p>
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<p>The valid attriutes for a <code><Resource></code> element
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are as follows:</p>
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<table border="1" cellpadding="5"><tr><th width="15%" bgcolor="#023264"><font color="#ffffff">Attribute</font></th><th width="85%" bgcolor="#023264"><font color="#ffffff">Description</font></th></tr><tr><td align="left" valign="center"><code>auth</code></td><td align="left" valign="center">
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<p>Specify whether the web Application code signs on to the
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corresponding resource manager programatically, or whether the
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Container will sign on to the resource manager on behalf of the
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application. The value of this attribute must be
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<code>Application</code> or <code>Container</code>. This
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attribute is <strong>required</strong> if the web application
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will use a <code><resource-ref></code> element in the web
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application deployment descriptor, but is optional if the
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application uses a <code><resource-env-ref></code> instead.</p>
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</td></tr><tr><td align="left" valign="center"><code>description</code></td><td align="left" valign="center">
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<p>Optional, human-readable description of this resource.</p>
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</td></tr><tr><td align="left" valign="center"><strong><code>name</code></strong></td><td align="left" valign="center">
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<p>The name of the resource to be created, relative to the
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<code>java:comp/env</code> context.</p>
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</td></tr><tr><td align="left" valign="center"><code>scope</code></td><td align="left" valign="center">
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<p>Specify whether connections obtained through this resource
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manager can be shared. The value of this attribute must be
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<code>Shareable</code> or <code>Unshareable</code>. By default,
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connections are assumed to be shareable.</p>
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</td></tr><tr><td align="left" valign="center"><strong><code>type</code></strong></td><td align="left" valign="center">
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<p>The fully qualified Java class name expected by the web
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application when it performs a lookup for this resource.</p>
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</td></tr></table>
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</blockquote></td></tr></table>
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<table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Resource Links"><strong>Resource Links</strong></a></font></td></tr><tr><td><blockquote>
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<p>Use <a href="context.html#Resource Links"><ResourceLink></a>
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elements to link resources from the global context into
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per-web-application contexts. Here is an example of making a custom
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factory available to all applications in the server, based on the example
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definition in the
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<a href="../jndi-resource-howto.html#Generic JavaBean Resources">
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JNDI Resource HOW-TO</a>:
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</p>
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<div align="left"><table cellspacing="4" cellpadding="0" border="0"><tr><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#ffffff" height="1"><pre>
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<DefaultContext>
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<ResourceLink
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name="bean/MyBeanFactory"
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global="bean/MyBeanFactory"
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type="com.mycompany.MyBean"
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/>
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</DefaultContext>
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</pre></td><td bgcolor="#023264" width="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="../images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr></table></div>
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</blockquote></td></tr></table>
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<table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Transaction"><strong>Transaction</strong></a></font></td></tr><tr><td><blockquote>
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<p>You can declare the characteristics of the UserTransaction
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to be returned for JNDI lookup for <code>java:comp/UserTransaction</code>.
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You <strong>MUST</strong> define an object factory class to instantiate
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this object as well as the needed resource parameters as attributes of the
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<code>Transaction</code>
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element, and the properties used to configure that object factory.</p>
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<p>The valid attributes for the <code><Transaction></code> element
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are as follows:</p>
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<table border="1" cellpadding="5"><tr><th width="15%" bgcolor="#023264"><font color="#ffffff">Attribute</font></th><th width="85%" bgcolor="#023264"><font color="#ffffff">Description</font></th></tr><tr><td align="left" valign="center"><strong><code>factory</code></strong></td><td align="left" valign="center">
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<p>The class name for the JNDI object factory.</p>
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</td></tr></table>
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</blockquote></td></tr></table>
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</blockquote></td></tr></table></td></tr><!--FOOTER SEPARATOR--><tr><td colspan="2"><hr noshade="noshade" size="1"></td></tr><!--PAGE FOOTER--><tr><td colspan="2"><div align="center"><font color="#525D76" size="-1"><em>
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Copyright © 1999-2006, Apache Software Foundation
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</em></font></div></td></tr></table></body></html> |