This issue is seen when the keystore password may have special characters such as: &, <, >, ", ' etc.
Issue/Introduction
While configuring SSL, the Spotfire Server service may fail to start with the following warning in the catalina log:
"WARNING-Catalina-start-using-conf-server-xml-The-reference-to-entity-must-end-with-the-delimiter"
Environment
Any OS and any version of Spotfire Server
Resolution
Replace the special characters in the password with the following to resolve this issue:
& - & < - < > - > " - " ' - '
Example: If the password is "&Spotfire<" then update it to "&Spotfire<"