The Eclipse plugin cannot communicate with the GlassFish server, status is :CREDENTIAL_ERROR

Question

I am able to start Glassfish through command line. However, when I try to start the server through Eclipse I encounter the following error:

The Ecli

Answer 1

There is another service at 8080 (or your port definition in GF settings). For me, stop this service and try start GF by Eclipse. Check for Tomcat running, or others apps.