Introduction
The article describes why can custo diag Server stop intermittently.
Tomcat by default runs on port number 8080. However there is high chance get a port conflict with others program. Sometime we just need to change the Tomcat port number.
Diagnosis
- How to search the log Data from custo diagnostic server see: https://www.customed.de/docs/x/JwG
- View in the last currrent diagserver-stderr.xxxx.log,
- scroll to the last entry, here is a example:

Steps of changing the Tomcat Port
(Source: https://www.mkyong.com/tomcat/how-to-change-tomcat-default-port/)
- Locate server.xml in {Tomcat installation folder}\conf\
- Find following similar statemen

or

- About Tomcat’s server.xml file cites it’s runs on port 8080. Change the Connector port=”8080″ port to any other port number.
For example

Above statement instruct Tomcat server runs on port 8181.
- Edit and save the server.xml file. Restart Tomcat. Done.