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java.lang.NullPointerException: 	at ru.runa.af.Actor.hashCode(Actor.java:97)	at ru.runa.af.ActorPrincipal.hashCode(ActorPrincipal.java:112)	at java.util.HashMap.hash(HashMap.java:264)	at java.util.HashMap.put(HashMap.java:382)	at java.util.HashSet.add(HashSet.java:194)	at javax.security.auth.Subject$ClassSet.populateSet(Subject.java:1353)	at javax.security.auth.Subject$ClassSet.(Subject.java:1311)	at javax.security.auth.Subject.getPrincipals(Subject.java:592)	at ru.runa.af.authenticaion.SubjectPrincipalsHelper.getActor(SubjectPrincipalsHelper.java:53)	at ru.runa.af.logic.CommonLogic.isPermissionAllowed(CommonLogic.java:104)	at ru.runa.af.logic.CommonLogic.checkPermissionAllowed(CommonLogic.java:98)	at ru.runa.af.logic.SystemLogic.checkLoginAllowed(SystemLogic.java:54)	at ru.runa.af.logic.SystemLogic.login(SystemLogic.java:43)	at ru.runa.af.service.impl.ejb.SystemServiceBean.login(SystemServiceBean.java:47)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:585)	at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:698)	at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:198)	at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:87)	at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:101)	at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:348)	at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:179)	at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:120)	at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:206)	at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:136)	at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:345)	at org.jboss.ejb.Container.invoke(Container.java:723)	at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:434)	at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:104)	at undefined.$Proxy50.login(Unknown Source)	at ru.runa.af.delegate.impl.SystemServiceDelegateLocalImpl.login(SystemServiceDelegateLocalImpl.java:71)	at ru.runa.af.web.action.LoginAction.execute(LoginAction.java:75)	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)	at ru.runa.common.web.UTF8RequestProcessor.process(UTF8RequestProcessor.java:43)	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)	at ru.runa.af.web.filter.NTLMFilter.doFilter(NTLMFilter.java:63)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)	at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)	at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)	at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)	at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:81)	at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:177)	at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)	at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)	at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)	at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)	at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)	at java.lang.Thread.run(Thread.java:595)