Hi I succeed to run my container locally and even inside VScode when I go to containers-> Other Containers -> Start Container But when I start my container in Dev Container I have execption: **Exception: Java gateway process exited before sending its port number** It seems like a pure VScode dev container problem. Please find attached my code. It is simple demo application. [python-spark-pi.zip](https://github.com/microsoft/vscode-remote-try-python/files/7036975/python-spark-pi.zip)