Implementing resource list filter

hi,
i'm implementing a resource list filter. i added the filter as a jar file in the lib directory of my portal application, and created a portal service which registers the classloader to CRT. In the log file i can see that the registering is done succesfully. But when i create the filter in the portal i get ClassNotFoundException.
Do i need to implement a manager too??? or is this probably just a naming problem?
thx,
Kristof

Hi Detlev,
yeah well, i was right about the naming problem, so i got the filter running now.
But another problem occured. I need to extend the DCTMResourceListFilter, so i inherited this class. The only thing i did was calling super methods in constructor and FilterResourceList, and then i got this exception. Kinda strange because there is a filter configured using this DCTM class. Any idea's??? thx
Exception ID:10:19_13/10/06_0001_4133550
[EXCEPTION]
com.sapportals.portal.prt.component.PortalComponentException: Error in service call of Portal Component
Component : pcd:portal_content/every_user/general/eu_role/com.sap.km.home_ws/com.sap.km.hidden/com.sap.km.urlaccess/com.sap.km.basicsearch
Component class : com.sapportals.wcm.portal.component.base.ControllerComponent
User : E122830
at com.sapportals.portal.prt.core.PortalRequestManager.handlePortalComponentException(PortalRequestManager.java:969)
at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:343)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:136)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:189)
at com.sapportals.portal.prt.component.PortalComponentResponse.include(PortalComponentResponse.java:215)
at com.sapportals.portal.prt.pom.PortalNode.service(PortalNode.java:646)
at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:328)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:136)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:189)
at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:753)
at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:240)
at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:522)
at java.security.AccessController.doPrivileged(Native Method)
at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:405)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.sap.engine.services.servlets_jsp.server.servlet.InvokerServlet.service(InvokerServlet.java:156)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:390)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:264)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:347)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:325)
at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:887)
at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:241)
at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92)
at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:148)
at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
at java.security.AccessController.doPrivileged(Native Method)
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:100)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)
Caused by: com.sapportals.wdf.WdfError
at com.sapportals.wdf.WdfCompositeController.buildComposition(WdfCompositeController.java:678)
at com.sapportals.htmlb.AbstractCompositeComponent.render(AbstractCompositeComponent.java:41)
at com.sapportals.htmlb.rendering.RenderUtil.renderContentObject(RenderUtil.java:103)
at com.sapportals.htmlb.rendering.RenderUtil.renderContainerContent(RenderUtil.java:34)
at com.sapportals.htmlb.rendering.DefaultFlowLayoutRenderer.render(DefaultFlowLayoutRenderer.java:29)
at com.sapportals.htmlb.rendering.PageContext.render(PageContext.java:980)
at com.sapportals.htmlb.Component.render(Component.java:150)
at com.sapportals.htmlb.rendering.RenderUtil.renderContentObject(RenderUtil.java:103)
at com.sapportals.htmlb.rendering.RenderUtil.renderContainerContent(RenderUtil.java:34)
at com.sapportals.htmlb.rendering.DefaultFormRenderer.render(DefaultFormRenderer.java:39)
at com.sapportals.htmlb.rendering.PageContext.render(PageContext.java:980)
at com.sapportals.htmlb.Component.render(Component.java:150)
at com.sapportals.htmlb.rendering.RenderUtil.renderContentObject(RenderUtil.java:103)
at com.sapportals.htmlb.rendering.RenderUtil.renderContainerContent(RenderUtil.java:34)
at com.sapportals.htmlb.rendering.DefaultDocumentRenderer.render(DefaultDocumentRenderer.java:69)
at com.sapportals.htmlb.rendering.PageContext.render(PageContext.java:980)
at com.sapportals.htmlb.Component.render(Component.java:150)
at com.sapportals.htmlb.rendering.RenderUtil.renderContentObject(RenderUtil.java:103)
at com.sapportals.htmlb.rendering.RenderUtil.renderContainerContent(RenderUtil.java:34)
at com.sapportals.htmlb.unifiedrendering.ie5.GridLayoutRenderer.renderGridLayoutCellFragment(GridLayoutRenderer.java:686)
at com.sapportals.htmlb.unifiedrendering.ie5.GridLayoutRenderer.renderGridLayoutRowFragment(GridLayoutRenderer.java:355)
at com.sapportals.htmlb.unifiedrendering.ie5.GridLayoutRenderer.renderGridLayoutFragment(GridLayoutRenderer.java:286)
at com.sapportals.htmlb.unifiedrendering.ie5.GridLayoutRenderer.render(GridLayoutRenderer.java:39)
at com.sapportals.htmlb.rendering.PageContext.render(PageContext.java:980)
at com.sapportals.wcm.portal.component.base.KMControllerDynPage.doOutput(KMControllerDynPage.java:127)
at com.sapportals.htmlb.page.PageProcessor.handleRequest(PageProcessor.java:129)
at com.sapportals.portal.htmlb.page.PageProcessorComponent.doContent(PageProcessorComponent.java:134)
at com.sapportals.wcm.portal.component.base.ControllerComponent.doContent(ControllerComponent.java:73)
at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java:209)
at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java:114)
at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:328)
... 29 more

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