Hi all,
I have a simple question, but I am not able to resolve alone; when I enter user and name, I get this exception:

21:14:28,001 ERROR [UsersRolesLoginModule] Failed to load users/passwords/role files
java.io.IOException: No properties file: users.properties or defaults: defaultUsers.properties found
at org.jboss.security.auth.spi.Util.loadProperties(Util.java:249)
at org.jboss.security.auth.spi.UsersRolesLoginModule.loadUsers(UsersRolesLoginModule.java:164)
at org.jboss.security.auth.spi.UsersRolesLoginModule.initialize(UsersRolesLoginModule.java:111)
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:324)
at javax.security.auth.login.LoginContext.invoke(LoginContext.java:662)
at javax.security.auth.login.LoginContext.access$000(LoginContext.java:129)
at javax.security.auth.login.LoginContext$4.run(LoginContext.java:610)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.login.LoginContext.invokeModule(LoginContext.java:607)
at javax.security.auth.login.LoginContext.login(LoginContext.java:534)
at org.jboss.security.plugins.JaasSecurityManager.defaultLogin(JaasSecurityManager.java:483)
at org.jboss.security.plugins.JaasSecurityManager.authenticate(JaasSecurityManager.java:425)
at org.jboss.security.plugins.JaasSecurityManager.isValid(JaasSecurityManager.java:251)
at org.jboss.web.tomcat.security.JBossSecurityMgrRealm.authenticate(JBossSecurityMgrRealm.java:230)
at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:256)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:391)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
at java.lang.Thread.run(Thread.java:534)

I tryied to create a roles users properties file, than I put it in one of the jboss folder, but it doesn't work.
could someone help me?

Thank you very much