Metamer - rich:dragSource, rich:dragIndicator, rich:dropTarget - setting attributes causes NPE ---------------------------------------------------------------------------------------------- Key: RF-10057 URL: https://issues.jboss.org/browse/RF-10057 Project: RichFaces Issue Type: Bug Security Level: Public(Everyone can see) Components: component-drag/drop Affects Versions: 4.0.0.Milestone5 Environment: * RichFaces 4.0.0-SNAPSHOT r.20682 * Metamer 4.0.0-SNAPSHOT r.20684 * Mojarra 2.0.3-FCS * Apache Tomcat 6.0.29 * OpenJDK Runtime Environment 1.6.0_20-b20 @ Linux * Firefox 3.6.13 @ Linux x86_64 Reporter: Lukas Fryc The issue applies for all the following samples: rich:dropTarget: http://localhost:8080/metamer/faces/components/richDropTarget/simple.xhtml rich:dragSource: http://localhost:8080/metamer/faces/components/richDragSource/simple.xhtml rich:dragIndicator: http://localhost:8080/metamer/faces/components/richDragIndicator/simple.x... Attached Facelets error page (exception.html). The problem is that clientId is null in the following condition: UIComponent:1275 public boolean invokeOnComponent(FacesContext context, String clientId, ContextCallback callback) throws FacesException { if (null == context || null == clientId || null == callback) { throw new NullPointerException(); } ... Stacktrace: java.lang.NullPointerException at javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:1275) at javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:673) at org.richfaces.renderkit.DropTargetRenderer.doDecode(DropTargetRenderer.java:38) at org.richfaces.renderkit.RendererBase.decode(RendererBase.java:82) at javax.faces.component.UIComponentBase.decode(UIComponentBase.java:791) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1048) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1043) at javax.faces.component.UIForm.processDecodes(UIForm.java:212) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1043) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1043) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1043) at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:920) at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:74) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:97) at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:114) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:308) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.richfaces.tests.metamer.TestIdentityFilter.doFilter(TestIdentityFilter.java:93) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:636)