Warning: node.js detection failed, sbt will use the Rhino based Trireme JavaScript engine

Question

I\'m new to Play framework. Please explain the meaning of the below warning.

Warning: node.js detection failed, sbt will use the Rhino based Trireme J

Answer 1

In Windows:

• Install node.js
• Go to Control Panel - System and Security - System - Advanced system settings
• Click Environment Variables...
• Search in System variables for SBT_OPTS
  • If such exists, click Edit... and concatenate -Dsbt.jse.engineType=Node to Variable value
  • If such does NOT exist, click New... and write SBT_OPTS to Variable name and -Dsbt.jse.engineType=Node to Variable value
• Click OK - OK - OK
• Restart any command prompt (cmd, PowerShell) that is currently running Play Framework