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Failed to create instance error
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created by <a href="http://community.jboss.org/people/ndrw_cheung">Andrew Cheung</a> in <i>JBoss Portal</i> - <a href="http://community.jboss.org/message/544891#544891">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi, all. I have an application packaged in a .war file, deployed to JBoss Portal version 2.4 (App server version 4.0.5GA). I got the following error:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>10:32:50,767 WARN  [PortletAppDeployment] Failed to create instance MyWebsitesPortletAgentInstance of portlet .MyWebsitesPortlet because portlet .MyWebsitesPortlet is not available.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The strange thing is that I don't understand where the "." before the portlet name "MyWebsitesPortlet" in the error message comes from. When I define the portlet name, I didn't put in any ".".</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>In a browser, when I go to the page where this portlet is supposed to show up, it says that "object not found MyWebsitesPortletAgentInstance".</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Any ideas on how to fix this are appreciated. Thanks.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  -Andrew</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>------------------------------------------------------------</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The xml configuration files are as follows:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>portlet.xml</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><?xml version="1.0" encoding="UTF-8"?><br/><span><portlet-app xmlns="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd" target="_blank">http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd</a><span>"</span><br/><span>    xmlns:xsi="</span><a class="jive-link-external-small" href="http://www.w3.org/2001/XMLSchema-instance" target="_blank">http://www.w3.org/2001/XMLSchema-instance</a><span>"</span><br/><span>    xsi:schemaLocation="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd" target="_blank">http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd</a><span> </span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd" target="_blank">http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd</a><span>"</span><br/>    version="1.0"><br/>    <portlet><br/>        <portlet-name>MyWebsitesPortlet</portlet-name><br/>        <portlet-class>mydomain.MyWebsitesPortlet</portlet-class><br/>        <init-param><br/>            <name>default-view</name><br/>            <value>/WEB-INF/jsp/index.jsp</value><br/>        </init-param><br/>        <supports><br/>            <mime-type>text/html</mime-type><br/>            <portlet-mode>VIEW</portlet-mode><br/>        </supports><br/>        <supported-locale>en</supported-locale><br/>        <supported-locale>fr</supported-locale><br/>        <resource-bundle>labels</resource-bundle><br/>        <portlet-info><br/>            <title>My Websites Portlet</title><br/>        </portlet-info><br/>        <portlet-preferences><br/>            <preference><br/>                <name>MyWebsiteType</name><br/>                <value>AGENT</value><br/>            </preference><br/>        </portlet-preferences></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    </portlet><br/>    <user-attribute><br/>        <name>user.name.given</name><br/>    </user-attribute><br/>    <user-attribute><br/>        <name>user.name.family</name><br/>    </user-attribute><br/>    <user-attribute><br/>        <name>user.name.middle</name><br/>    </user-attribute><br/>    <user-attribute><br/>        <name>portal.user.locale</name><br/>    </user-attribute><br/></portlet-app></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>---------------</p><p>portlet-instances.xml</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><?xml version="1.0" standalone="yes"?><br/><deployments><br/>   <deployment><br/>      <instance><br/>         <instance-id>MyWebsitesPortletAgentInstance</instance-id><br/>         <portlet-ref>MyWebsitesPortlet</portlet-ref><br/>            <preferences><br/>                <preference><br/>                <name>MyWebsiteType</name><br/>                <value>AGENT</value><br/>                </preference><br/>            </preferences><br/>      </instance><br/>   </deployment><br/>  <br/></deployments></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>-----------------</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>MyWebsites-object.xml</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><?xml version="1.0" encoding="UTF-8"?><br/><deployments><br/>   <deployment><br/>      <if-exists>overwrite</if-exists><br/>      <parent-ref>default.default</parent-ref><br/>      <window><br/>         <window-name>MyWebsitesPortletAgent</window-name><br/>         <instance-ref>MyWebsitesPortletAgentInstance</instance-ref><br/>         <region>center</region><br/>         <height>0</height><br/>      </window><br/>   </deployment><br/>  <br/></deployments></p></div>
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