[jbossseam-issues] [JBoss JIRA] Closed: (JBSEAM-1650) NPE thrown when attempting to configure HashMap as Seam component

NPE thrown when attempting to configure HashMap as Seam component ----------------------------------------------------------------- Key: JBSEAM-1650 URL: http://jira.jboss.com/jira/browse/JBSEAM-1650 Project: JBoss Seam Issue Type: Bug Affects Versions: 2.0.0.CR1 Reporter: Michael Youngstrom Assigned To: Norman Richards Fix For: 2.0.0.CR1 NPE thrown when attempting to configure pojo as Seam component. <component name="expanderState" class="java.util.HashMap" auto-create="true" scope="conversation"/> throws: java.lang.RuntimeException: Could not create Component: expanderState at org.jboss.seam.init.Initialization.addComponent(Initialization.java:910) at org.jboss.seam.init.Initialization.installComponents(Initialization.java:841) at org.jboss.seam.init.Initialization.init(Initialization.java:508) at org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.java:34) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3764) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4216) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014) at org.apache.catalina.core.StandardHost.start(StandardHost.java:736) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:448) at org.apache.catalina.core.StandardServer.start(StandardServer.java:700) at org.apache.catalina.startup.Catalina.start(Catalina.java:552) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:615) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433) Caused by: java.lang.NullPointerException at org.jboss.seam.init.DeploymentDescriptor.<init>(DeploymentDescriptor.java:33) at org.jboss.seam.Seam.getEjbDescriptor(Seam.java:51) at org.jboss.seam.Seam.getComponentType(Seam.java:102) at org.jboss.seam.Component.<init>(Component.java:216) at org.jboss.seam.Component.<init>(Component.java:207) at org.jboss.seam.init.Initialization.addComponent(Initialization.java:896)