See Thread at: http://www.techienuggets.com/Detail?tx=21631 Posted on behalf of a User We are also facing the same problem.If any solution is found,Please forward it to lalitjangra(a)integarmicro.com. In Response To: 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... 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>