12:05:00,949 ERROR [ExtRACAProcess] Error processing ExtRAPKCS10Requset :
javax.ejb.EJBException: RuntimeException
        at org.jboss.ejb.plugins.LogInterceptor.handleException(LogInterceptor.java:417)
        at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:209)
        at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:136)
        at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:648)
        at org.jboss.ejb.Container.invoke(Container.java:954)         at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:430)         at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:103)
        at $Proxy182.addUser(Unknown Source)
        at org.ejbca.extra.caservice.RACAProcess.storeUserData(RACAProcess.java:128)
        at org.ejbca.extra.caservice.ExtRACAProcess.processExtRAPKCS10Request(ExtRACAProcess.java:274)         at org.ejbca.extra.caservice.ExtRACAProcess.processSubMessage(ExtRACAProcess.java:220)         at org.ejbca.extra.caservice.ExtRACAProcess.processWaitingMessage(ExtRACAProcess.java:193)         at org.ejbca.extra.caservice.RACAServiceThread.run(RACAServiceThread.java:113) Caused by: java.lang.StringIndexOutOfBoundsException: String index out of range: -1
        at java.lang.String.substring(String.java:1768)
        at org.ejbca.util.CertTools.isDNReversed(CertTools.java:418)
        at org.ejbca.util.CertTools.stringToBCDNString(CertTools.java:296)
        at org.ejbca.core.ejb.ra.LocalUserAdminSessionBean.addUser(LocalUserAdminSessionBean.java:397)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.jboss.invocation.Invocation.performCall(Invocation.java:359)
        at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:237)
        at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:158)        at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:169)
        at org.jboss.ws.server.ServiceEndpointInterceptor.invoke(ServiceEndpointInterceptor.java:64)
        at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63)
        at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121)
        at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350)
        at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181)
        at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:168)
        at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205)
        ... 11 more