java.lang.NullPointerException
	at org.apache.coyote.tomcat5.CoyoteRequest.removeAttribute(CoyoteRequest.java:1749)
	at org.apache.coyote.tomcat5.CoyoteRequestFacade.removeAttribute(CoyoteRequestFacade.java:592)
	at javax.servlet.ServletRequestWrapper.removeAttribute(ServletRequestWrapper.java:335)
	at com.sun.faces.context.RequestMap.remove(ExternalContextImpl.java:1096)
	at org.jboss.seam.contexts.BasicContext.remove(BasicContext.java:73)
	at org.jboss.seam.Component.newInstance(Component.java:2167)
	at org.jboss.seam.Component.getInstance(Component.java:2024)
	at org.jboss.seam.Component.getInstance(Component.java:2003)
	at org.jboss.seam.Component.getInstance(Component.java:1997)
	at org.jboss.seam.Component.getInstance(Component.java:1970)
	at org.jboss.seam.Component.getInstance(Component.java:1965)
	at org.jboss.seam.core.Events.instance(Events.java:157)
	at org.jboss.seam.core.Events.exists(Events.java:152)
	at org.jboss.seam.contexts.BasicContext.set(BasicContext.java:80)
	at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:39)
	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
	at org.jboss.seam.core.SynchronizationInterceptor.aroundInvoke(SynchronizationInterceptor.java:32)
	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
	at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)
	at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:185)
	at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(
JavaBeanInterceptor.java:103)
	at eu.rbecker.user.action.SAMSIdentity_$$_javassist_seam_9.getCredentials(SAMSIdentity_$$_javassist_seam_9.java)
	at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:51)
	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
	at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:313)
	at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:287)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:218)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)
	at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:98)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:222)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1093)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:166)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1093)
	at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:291)
	at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:666)
	at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:597)
	at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:872)
	at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)
	at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)
	at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)
	at com.sun.enterprise.web.portunif.PortUnificationPipeline$PUTask.doTask(PortUnificationPipeline.java:382)
	at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:264)
	at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)