Dear Community,
We have a very old JIRA (Enterprise Edition, Version: 3.13.1-#333). I would like to call the SOAP services from WSDL XX/rpc/soap/jirasoapservice-v2?wsdl using SoapUi to first test it, then JAVA API.
However, I am not able to authenticate. I am trying with SOAP Basic authentication username/password but get the following exception:

Could you please help me to use the SOAP API?
Then, how can I do the same using JAVA code? I don't find any Maven dependency for this and not able to find any documentation.
Thanks,
Emeric