How to convert Form based authentication to Basic Authentication for IBM Engineering Requirements Management DOORs 9.7

 Hello,

I have installed IBM Classic DOORs(IBM Engineering Requirements Management DOORs 9.7).
I am able to login to below page but its showing FORM based authentication:-
https://localhost:8443/dwa
Now i want to convert this form based to basic authentication. I have gone through some articles where its mentioned to replace FORM to BASIC in web.xml. But i am not finding FORM anywhere in my web.xml.
Can you please help where and what should i add so that it will convert to basic auth.
I found below steps in one of the article:-

1. Replace below
<login-config><auth-method>FORM</auth-method> <form-login-config><form-login-page>/auth/authrequired</form-login-page> <form-error-page>/auth/authfailed</form-error-page> </form-login-config> </login-config>
with :- <login-config> <auth-method>BASIC</auth-method> <realm-name>Jazz</realm-name> </login-config> 

Here I can’t find in which file above tags needs to be added. I am not able to search above tags in my installation.
Second thing they have mentioned is below which i have already done but still can see form based login 

2. Need to replace below in context file. I have done this in all the available context files.
Replace org.apache.catalina.authenticator.FormAuthenticator with org.apache.catalina.authenticator.BasicAuthenticator

Can you please help?


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