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java.lang.NullPointerException at com.sun.portal.container.portlet.impl.PreferenceManagerContextListenerImpl.contextInitialized(PreferenceManagerContextListenerImpl.java:33) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3264) at org.apache.catalina.core.StandardContext.start(StandardContext.java:3584) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123) at org.apache.catalina.core.StandardHost.start(StandardHost.java:638) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:345) at org.apache.catalina.startup.Embedded.start(Embedded.java:957) at com.iplanet.ias.web.WebContainer.start(WebContainer.java:426) at com.iplanet.ias.web.WebContainer.startInstance(WebContainer.java:514) at com.iplanet.ias.server.J2EERunner.confPostInit(J2EERunner.java:170)