commented security-constraint out to prevent infinite redirect loop
<securityfilter-config>
+<!-- security-constraints
<security-constraint>
<web-resource-collection>
<web-resource-name></web-resource-name>
<role-name></role-name>
</auth-constraint>
</security-constraint>
+-->
<login-config>
<form-login-config>
</form-login-config>
</login-config>
- <realm className="org.securityfilter.realm.SecurityRealmBase">
+ <realm className="org.securityfilter.realm.SimpleSecurityRealmBase">
<!-- <realm-param name="" value="" /> -->
</realm>