当我运行这个命令"firebase模拟器: start“时，它不会运行我的localhost。

Question

当我运行快递时，它在我的控制台中显示这样的消息

$ firebase emulators:start
i  emulators: Starting emulators: functions, database, hosting
!  functions: The following emulators are not running, calls to these services from the Functions emulator will affect production: auth, firestore, pubsub, storage
+  functions: Using node@16 from host.
i  database: Database Emulator logging to database-debug.log
!  database: Fatal error occurred: 
   Database Emulator has exited because java is not installed, you can install it from https://openjdk.java.net/install/,
   stopping all running emulators
i  functions: Stopping Functions Emulator
i  database: Stopping Database Emulator
!  database: Error stopping Database Emulator
i  hub: Stopping emulator hu

Answer 1

注意到输出中的错误消息了吗？

Database Emulator has exited because java is not installed,
you can install it from https://openjdk.java.net/install/

我建议按照安装java的说明进行操作。还请检查这里的需求，https://firebase.google.com/docs/emulator-suite/install_and_configure