What could be the different issues behind this message?
See Launcher says it couldn't retrieve process ID
Are you sure about the first point? The JVM version is checked by the launcher before starting the server.
No I update my post thanks
estimate:
The answer can be found on May 05 and May 03 related to the same topic. It should be noted that it is a temporary solution.
Please search with the subject ."Sent server start command but could not get process ID". which explains the solutions.
It is important to note that it requires a good hardware configuration which is in the technical documentation.