[JBoss Portal] - Re: Need IPC Sample
by ganeshraja
I am getting error for the following code refered from reference document.
PortletA.java
package sample;
|
| import java.io.IOException;
| import java.io.PrintWriter;
|
| import javax.portlet.GenericPortlet;
| import javax.portlet.PortletException;
| import javax.portlet.PortletSecurityException;
| import javax.portlet.RenderRequest;
| import javax.portlet.RenderResponse;
|
|
| public class PortletA extends GenericPortlet
| {
| protected void doView(RenderRequest request, RenderResponse response)
| throws PortletException, PortletSecurityException, IOException
| {
| response.setContentType("text/html");
| PrintWriter writer = response.getWriter();
| writer.println("<form action=\"" + response.createActionURL() + "\" method=\"post\">");
| writer.println("<select name=\"color\">");
| writer.println("<option>blue</option>");
| writer.println("<option>red</option>");
| writer.println("<option>black</option>");
| writer.println("</select>");
| writer.println("<input type=\"submit\"/>");
| writer.println("</form>");
| writer.close();
| }
| }
PortletB.java
| package sample;
|
| import java.io.IOException;
| import java.io.PrintWriter;
|
| import javax.portlet.ActionRequest;
| import javax.portlet.ActionResponse;
| import javax.portlet.GenericPortlet;
| import javax.portlet.PortletException;
| import javax.portlet.PortletSecurityException;
| import javax.portlet.RenderRequest;
| import javax.portlet.RenderResponse;
|
| import org.jboss.portlet.PortalNode;
| import org.jboss.portlet.event.node.PortalNodeEvent;
| import org.jboss.portlet.event.node.PortalNodeEventBubbler;
| import org.jboss.portlet.event.node.PortalNodeEventListener;
| import org.jboss.portlet.event.node.WindowActionEvent;
|
| public class PortletB extends GenericPortlet
| {
|
| public void processAction(ActionRequest request, ActionResponse response)
| throws PortletException, PortletSecurityException, IOException
| {
| String color = request.getParameter("color");
| if (color != null)
| {
| response.setRenderParameter("color", color);
| }
| }
|
| protected void doView(RenderRequest request, RenderResponse response)
| throws PortletException, PortletSecurityException, IOException
| {
| String color = request.getParameter("color");
| response.setContentType("text/html");
| PrintWriter writer = response.getWriter();
| writer.println("<div" +
| (color == null ? "" : " style=\"color:" + color + ";\"") +
| ">some text in color</div>");
| writer.close();
| }
|
| // Inner listener
| public static class Listener implements PortalNodeEventListener
| {
| public PortalNodeEvent onEvent(PortalNodeEventBubbler bubbler, PortalNodeEvent event)
| {
| PortalNode node = event.getNode();
| // Get node name
| String nodeName = node.getName();
| // See if we need to create a new event or not
| WindowActionEvent newEvent = null;
| if (nodeName.equals("PortletAWindow") && event instanceof WindowActionEvent)
| {
| // Find window B
| WindowActionEvent wae = (WindowActionEvent)event;
| PortalNode windowB = node.resolve("../PortletBWindow");
| if (windowB != null)
| {
| // We can redirect
| newEvent = new WindowActionEvent(windowB);
| newEvent.setParameters(wae.getParameters());
| // Redirect to the new event
| return newEvent;
| }
| }
| // Otherwise bubble up
| return bubbler.dispatch(event);
| }
| }
|
| }
Portlet.xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
| <portlet-app version="1.0" 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" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd">
|
| <portlet>
| <portlet-name>IPCPortletA</portlet-name>
| <portlet-class>sample.PortletA</portlet-class>
| <supports>
| <mime-type>text/html</mime-type>
| <portlet-mode>VIEW</portlet-mode>
| </supports>
| <portlet-info>
| <title>IPC Portlet A</title>
| </portlet-info>
| </portlet>
| <portlet>
| <portlet-name>IPCPortletB</portlet-name>
| <portlet-class>sample.PortletB</portlet-class>
| <supports>
| <mime-type>text/html</mime-type>
| <portlet-mode>VIEW</portlet-mode>
| </supports>
| <portlet-info>
| <title>IPC Portlet B</title>
| </portlet-info>
| </portlet>
|
| </portlet-app>
Exception
org.jboss.portal.portlet.container.PortletInitializationException: The portlet IPCPortletA threw a runtime exception during init
| at org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl.start(PortletContainerImpl.java:264)
| at org.jboss.portal.portlet.impl.container.PortletApplicationContextImpl.startPortletApplication(PortletApplicationContextImpl.java:130)
| at org.jboss.portal.portlet.deployment.jboss.PortletAppDeployment.start(PortletAppDeployment.java:153)
| at org.jboss.portal.core.deployment.jboss.PortletAppDeployment.start(PortletAppDeployment.java:94)
| at org.jboss.portal.server.deployment.jboss.DeploymentContext.start(DeploymentContext.java:99)
| at org.jboss.portal.server.deployment.jboss.PortalDeploymentInfoContext.start(PortalDeploymentInfoContext.java:211)
| at org.jboss.portal.server.deployment.jboss.ServerDeployer.start(ServerDeployer.java:217)
| at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
| at sun.reflect.GeneratedMethodAccessor194.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy194.deploy(Unknown Source)
| at org.jboss.portal.server.deployment.jboss.ServerDeployer.deploy(ServerDeployer.java:259)
| at org.jboss.portal.server.deployment.WebAppAdapter.deploy(WebAppAdapter.java:54)
| at org.jboss.portal.server.deployment.WebAppIntercepter.handleNotification(WebAppIntercepter.java:160)
| at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.notification.NotificationListenerProxy.invoke(NotificationListenerProxy.java:153)
| at $Proxy197.handleNotification(Unknown Source)
| at org.jboss.mx.util.JBossNotificationBroadcasterSupport.handleNotification(JBossNotificationBroadcasterSupport.java:127)
| at org.jboss.mx.util.JBossNotificationBroadcasterSupport.sendNotification(JBossNotificationBroadcasterSupport.java:108)
| at org.jboss.deployment.SubDeployerSupport.emitNotification(SubDeployerSupport.java:340)
| at org.jboss.deployment.SubDeployerSupport.start(SubDeployerSupport.java:308)
| at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:482)
| at sun.reflect.GeneratedMethodAccessor256.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
| at org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
| at org.jboss.ws.integration.jboss.DeployerInterceptor.start(DeployerInterceptor.java:92)
| at org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.start(SubDeployerInterceptorSupport.java:188)
| at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:95)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy177.start(Unknown Source)
| at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
| at sun.reflect.GeneratedMethodAccessor117.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy8.deploy(Unknown Source)
| at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
| at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
| Caused by: java.lang.ClassCastException: sample.PortletA
| at org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl.start(PortletContainerImpl.java:231)
| ... 73 more
| org.jboss.portal.portlet.container.PortletInitializationException: The portlet IPCPortletB threw a runtime exception during init
| at org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl.start(PortletContainerImpl.java:264)
| at org.jboss.portal.portlet.impl.container.PortletApplicationContextImpl.startPortletApplication(PortletApplicationContextImpl.java:130)
| at org.jboss.portal.portlet.deployment.jboss.PortletAppDeployment.start(PortletAppDeployment.java:153)
| at org.jboss.portal.core.deployment.jboss.PortletAppDeployment.start(PortletAppDeployment.java:94)
| at org.jboss.portal.server.deployment.jboss.DeploymentContext.start(DeploymentContext.java:99)
| at org.jboss.portal.server.deployment.jboss.PortalDeploymentInfoContext.start(PortalDeploymentInfoContext.java:211)
| at org.jboss.portal.server.deployment.jboss.ServerDeployer.start(ServerDeployer.java:217)
| at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
| at sun.reflect.GeneratedMethodAccessor194.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy194.deploy(Unknown Source)
| at org.jboss.portal.server.deployment.jboss.ServerDeployer.deploy(ServerDeployer.java:259)
| at org.jboss.portal.server.deployment.WebAppAdapter.deploy(WebAppAdapter.java:54)
| at org.jboss.portal.server.deployment.WebAppIntercepter.handleNotification(WebAppIntercepter.java:160)
| at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.notification.NotificationListenerProxy.invoke(NotificationListenerProxy.java:153)
| at $Proxy197.handleNotification(Unknown Source)
| at org.jboss.mx.util.JBossNotificationBroadcasterSupport.handleNotification(JBossNotificationBroadcasterSupport.java:127)
| at org.jboss.mx.util.JBossNotificationBroadcasterSupport.sendNotification(JBossNotificationBroadcasterSupport.java:108)
| at org.jboss.deployment.SubDeployerSupport.emitNotification(SubDeployerSupport.java:340)
| at org.jboss.deployment.SubDeployerSupport.start(SubDeployerSupport.java:308)
| at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:482)
| at sun.reflect.GeneratedMethodAccessor256.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
| at org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
| at org.jboss.ws.integration.jboss.DeployerInterceptor.start(DeployerInterceptor.java:92)
| at org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.start(SubDeployerInterceptorSupport.java:188)
| at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:95)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy177.start(Unknown Source)
| at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
| at sun.reflect.GeneratedMethodAccessor117.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy8.deploy(Unknown Source)
| at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
| at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
| Caused by: java.lang.ClassCastException: sample.PortletB
| at org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl.start(PortletContainerImpl.java:231)
| ... 73 more
|
View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4060563#4060563
Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4060563
18Â years, 9Â months