Getting PBOX000206: Login failure: javax.security.auth.login.LoginException: LoginModule-class connot be found.

Issue

• Getting PBOX000206: Login failure: javax.security.auth.login.LoginException: LoginModule-class connot be found, with the following configuration:-

            <security-domains>
                <security-domain name="host" cache-type="default">
                    <authentication>
                        <login-module code="Kerberos" flag="required">
                            <module-option name="debug" value="true"/>
                            <module-option name="storeKey" value="true"/>
                            <module-option name="useKeyTab" value="true"/>
                            <module-option name="keyTab" value="/home/krathod/jboss/krb5.keytab"/>
                            <module-option name="doNotPrompt" value="true"/>
                            <module-option name="principal" value="HTTP/something.something.mydomain@DOMAIN.COM"/>
                        </login-module>
                    </authentication>
                </security-domain>
                <security-domain name="SPNEGO" cache-type="default">
                    <authentication>
                        <login-module code="SPNEGO" flag="requisite">
                           ...
                            -->
                        </login-module>
                        ... 
                        <login-module code="UserRoles" flag="required">
                            <module-option name="debug" value="true"/>
                            <module-option name="password-stacking" value="useFirstPass"/>
                            <module-option name="usersProperties" value="/home/krathod/jboss/EAP61/standalone/configuration/my-spnego-users.properties"/>
                            <module-option name="rolesProperties" value="/home/krathod/jboss/EAP61/standalone/configuration/my-spnego-roles.properties"/>
                        </login-module>
                    </authentication>
                </security-domain>

• The issue faced is as follows:-

PBOX000206: Login failure: javax.security.auth.login.LoginException:LoginModule-class cannot be found: UserRoles from [Module "deployment.jboss-negotiation-toolkit.war:main" from Service Module Loader]
    at javax.security.auth.login.LoginContext.invoke(LoginContext.java:822)
    at javax.security.auth.login.LoginContext.access$000(LoginContext.java:203)
    at javax.security.auth.login.LoginContext$4.run(LoginContext.java:698)
    at javax.security.auth.login.LoginContext$4.run(LoginContext.java:696)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:695)
    at javax.security.auth.login.LoginContext.login(LoginContext.java:594)
    at org.jboss.security.authentication.JBossCachedAuthenticationManager.defaultLogin(JBossCachedAuthenticationManager.java:408)
    at org.jboss.security.authentication.JBossCachedAuthenticationManager.proceedWithJaasLogin(JBossCachedAuthenticationManager.java:345)
    at org.jboss.security.authentication.JBossCachedAuthenticationManager.authenticate(JBossCachedAuthenticationManager.java:333)
    at org.jboss.security.authentication.JBossCachedAuthenticationManager.isValid(JBossCachedAuthenticationManager.java:146)
    at org.jboss.as.web.security.JBossWebRealm.authenticate(JBossWebRealm.java:216)
    at org.jboss.security.negotiation.NegotiationAuthenticator.authenticate(NegotiationAuthenticator.java:193)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:447)
    at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:336)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:920)
    at java.lang.Thread.run(Thread.java:722)