<Realm className="org.apache.catalina.realm.LockOutRealm">
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"
resourceName="UserDatabase"/>
</Realm>

<?xml version="1.0" encoding="UTF-8"?>
<tomcat-users xmlns="http://tomcat.apache.org/xml"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://tomcat.apache.org/xml tomcat-users.xsd"
version="1.0">
<role rolename="tomcat"/>
<role rolename="role1"/>
<user username="tomcat" password="Java" roles="role1"/>
<user username="both" password="Sckoriy" roles="tomcat,role1"/>
<user username="role1" password="Neymesh" roles="role1"/>
</tomcat-users>

<security-constraint>
<web-resource-collection>
<web-resource-name>MyFirstTime</web-resource-name>
<url-pattern>/Da.jsp</url-pattern>
<url-pattern>/Java/JSTL.jsp</url-pattern>
<http-method>GET</http-method>
</web-resource-collection>

<auth-constraint>
<description>Roles</description>
<role-name>role1</role-name>
</auth-constraint>

</security-constraint>

<security-role>
<role-name>role1</role-name>
</security-role>

<login-config>
<auth-method>BASIC</auth-method>
Здесь я пытался вставлять <realm-name>default</>
Но без толку.
</login-config>