[jboss-user] [JBoss Portal] - Re: Portlet Instance Class Path

BenS do-not-reply at jboss.com
Wed Oct 8 16:33:32 EDT 2008


I tried to create the tutorial that you referrenced in Eclipse and deploy it.  

I ended up with the 4 xml files specified (default-object.xml, portlet.xml, portlet-instances.xml, and web.xml) under WEB-INF.

I have a path WEB-INF/classes/org/jboss/portal/portlet/samples to my SimplestHelloWorldPortlet.class

In addition, I have a WEB-INF/lib directory that contains the following jars:  explode.jar, portal-common-lib.jar, and portlet-api-lib.jar  I needed to add these jars for the class file.

I zipped everything beneath the WebContent directory which included the WEB-INF and META-INF contents.  When I dropped it into the deploy directory I get the following error message:

16:04:42,134 WARN  [PortletAppDeployment] Failed to create instance SimplestHelloWorldInstance of portlet /SimplestHelloWorldPortlet.SimplestHelloWorldPortlet because portlet /SimplestHelloWorldPortlet.SimplestHelloWorldPortlet is not available

The tutorial did not specify the contents for web.xml so I used the following:

<?xml version="1.0"?>
  | <!DOCTYPE web-app PUBLIC
  |    "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
  |    "http://java.sun.com/dtd/web-app_2_3.dtd">
  | <web-app>
  | </web-app>

Here are the contents for the remaining xml files:

portlet-instances.xml:

<?xml version="1.0" standalone="yes"?>
  | <!DOCTYPE deployments PUBLIC
  |    "-//JBoss Portal//DTD Portlet Instances 2.6//EN"
  |    "http://www.jboss.org/portlet/dtd/portlet-instances_2_6.dtd">
  | <deployments>
  |    <deployment>
  |       <instance>
  |          <instance-id>SimplestHelloWorldInstance</instance-id>
  |          <portlet-ref>SimplestHelloWorldPortlet</portlet-ref>
  |       </instance>
  |    </deployment>
  | </deployments>

portlet.xml

<portlet-app xmlns="http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd"
  |    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  |    xsi:schemaLocation="http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd 
  |                                          http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd"
  |    version="2.0">
  |    <portlet>
  |       <portlet-name>SimplestHelloWorldPortlet</portlet-name>
  |       <portlet-class>
  |          org.jboss.portal.portlet.samples.SimplestHelloWorldPortlet
  |       </portlet-class>
  |       <supports>
  |         <mime-type>text/html</mime-type>
  |       </supports>
  |       <portlet-info>
  |           <title>Simplest Hello World Portlet</title>
  |       </portlet-info>
  |    </portlet>
  | </portlet-app>

default-object.xml

<?xml version="1.0" encoding="UTF-8"?>
  | <!DOCTYPE deployments PUBLIC
  |    "-//JBoss Portal//DTD Portal Object 2.6//EN"
  |    "http://www.jboss.org/portal/dtd/portal-object_2_6.dtd">
  | <deployments>
  |    <deployment>
  |       <parent-ref>default</parent-ref>
  |       <if-exists>overwrite</if-exists>
  |       <page>
  |          <page-name>SimplestHelloWorld</page-name>
  |          <window>
  |             <window-name>SimplestHelloWorldWindow</window-name>
  |             <instance-ref>SimplestHelloWorldInstance</instance-ref>
  |             <region>center</region>
  |             <height>0</height>
  |          </window>
  |       </page>
  |    </deployment>
  | </deployments>

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