Tomcat Server Default Password

In tomcat add below lines to server.xml

<role rolename="manager-gui"/>
<user username="admin" password="admin" roles="manager-gui"/>

More details refer below:
https://www.mkyong.com/tomcat/tomcat-default-administrator-password/

tomcat server start java.net.SocketTimeoutException: Read timed out

If you see below errors it means you changed the port in the wrong place of the Server.xml .

Errors:
tomcat server start java.net.SocketTimeoutException: Read timed out
tomcat server standardserver.await: invalid command '' received

Locate 8080 port from server.xml and change the port to not using port

Tomcat server is not starting - WELD-000100 Weld initialized. Validating beans

If Tomcat server is not starting from "DEBUG org.jboss.weld.Bootstrap - WELD-000100 Weld initialized. Validating beans" line, try to do below steps:

1)Check DB connections.
or
2)If external services access via network, disable the any internet/network connections.
or
3)Try to debug Skip all debug points.
or
4)if you are experienced this issue in Debug mode, try to run the app without debug mode.


DEBUG org.jboss.weld.Bootstrap - WELD-000100 Weld initialized. Validating beans