[jboss-user] [JBoss Portal] - Portlet deployment error

[BGrand]

I've an error during my portlet's deployment. I didn't find what's the mistake, it's certainly a small detail in the configuration, but...

The error in the server's console :

18:19:21,188 INFO  [TomcatDeployer] deploy, ctxPath=/myPortlet-0.1-SNAPSHOT, warUrl=.../tmp/deploy/tmp54329myPortlet-0.1-SNAPSHOT-exp.war/
  | 18:19:21,438 ERROR [STDERR] org.jboss.portal.portlet.container.PortletInitializationException: The portlet MyPortlet threw a runtime exception during init
  | 18:19:21,438 ERROR [STDERR]     at org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl.start(PortletContainerImpl.java:264)
  | 18:19:21,438 ERROR [STDERR]     at org.jboss.portal.portlet.impl.container.PortletApplicationContextImpl.startPortletApplication(PortletApplicationContextImpl.java:130)
  | 18:19:21,438 ERROR [STDERR]     at org.jboss.portal.portlet.deployment.jboss.PortletAppDeployment.start(PortletAppDeployment.java:150)
  | 18:19:21,438 ERROR [STDERR]     at org.jboss.portal.core.deployment.jboss.PortletAppDeployment.start(PortletAppDeployment.java:95)
  | 18:19:21,438 ERROR [STDERR]     at org.jboss.portal.server.deployment.jboss.DeploymentContext.start(DeploymentContext.java:99)
  | ...
  | ...
  | 18:19:21,469 ERROR [STDERR] Caused by: java.lang.ClassCastException: ch.softcomponent.bg.MyPortlet
  | 18:19:21,469 ERROR [STDERR]     at org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl.start(PortletContainerImpl.java:231)
  | 18:19:21,469 ERROR [STDERR]     ... 73 more
  | 18:19:21,485 WARN  [PortletAppDeployment] Failed to create instance MyPortletInstance of portlet /myPortlet-0.1-SNAPSHOT.MyPortlet because portlet /myPortlet-0.1-SNAPSHOT.MyPortlet is not available

The test environment : jboss-portal-2.6.3.GA-bundled

web.xml
<?xml version="1.0" encoding="UTF-8"?>
  | <web-app id="WebApp_ID" 
  |    version="2.4" 
  |    xmlns="http://java.sun.com/xml/ns/j2ee" 
  |    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
  |    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
  | </web-app>

portlet.xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
  | <portlet-app version="1.0"
  | 	xmlns="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd"
  | 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  | 	xsi:schemaLocation="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd">
  | 	<portlet>
  | 		<description xml:lang="FR">Mon portlet</description>
  | 		<portlet-name>MyPortlet</portlet-name>
  | 
  | 		<portlet-class>ch.softcomponent.bg.MyPortlet</portlet-class>
  | 		<supports>
  | 			<mime-type>text/html</mime-type>
  | 			<portlet-mode>VIEW</portlet-mode>
  | 		</supports>
  | 		<portlet-info>
  | 			<title>Mon portlet</title>
  | 			<short-title>Portlet</short-title>
  | 			<keywords>bg,portlet</keywords>
  | 		</portlet-info>
  | 	</portlet>
  | </portlet-app>

portlet-instances.xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
  | <deployments>
  |    <deployment>
  |       <instance>
  |          <instance-id>MyPortletInstance</instance-id>
  |          <portlet-ref>MyPortlet</portlet-ref>
  |       </instance>
  |    </deployment>
  | </deployments>

myportlet-object.xml >> right name for this file ??
<?xml version="1.0" encoding="UTF-8"?>
  | <deployments>
  |    <deployment>
  |       <if-exists>overwrite</if-exists>
  |       <parent-ref>default.default</parent-ref>
  |       <window>
  |          <window-name>Ma fenetre</window-name>
  |          <instance-ref>MyPortletInstance</instance-ref>
  |          <region>center</region>
  |          <height>1</height>
  |       </window>
  |    </deployment>
  | </deployments>

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