firebase-tools serve makes an error

[REQUIRED] Environment info

**firebase-tools: 7.8.0 (the latest)

**Platform: macOS

[REQUIRED] Test case

firebase functions

project

functions index.js : exports.posts = functions.https.onRequest(require(‘./posts’)); exports.posts = functions.https.onRequest(require(‘./accounts’));

posts : index.js : const app = require(‘express’)(); const cors = require(‘cors’); app.use(cors({ origin: true })); app.get(‘/’, async (req, res) => { }); accounts: index.js : const app = require(‘express’)(); const cors = require(‘cors’); app.use(cors({ origin: true })); app.get(‘/’, async (req, res) => { });

[REQUIRED] Steps to reproduce

firebase functions + express get / post methods request multiple get requests, it makes errors. it is only made on firebase-tools 7.8.0. if I run the same codes on firebase-tools 7.7.0., it works fine.

[REQUIRED] Expected behavior

If I request multiple requests, it accepts well and perform.

[REQUIRED] Actual behavior

it makes an error

i  functions: Beginning execution of "accounts"
[2019-11-19T10:17:42.957Z] [runtime-status]  {"httpsTrigger":{},"name":"accounts","entryPoint":"accounts"}
[2019-11-19T10:17:42.957Z] [runtime-status] Running accounts in mode HTTPS {}
[2019-11-19T10:17:42.962Z] [functions] Runtime ready! Sending request!
[2019-11-19T10:17:42.968Z] [runtime-status] Ephemeral server used! {}
[2019-11-19T10:17:43.003Z] [runtime-status] Ephemeral server survived. {}
[2019-11-19T10:17:43.339Z] Accepted request OPTIONS /~/posts/rT7UgEMG8KhTlLOADE3y/comments --> posts
[2019-11-19T10:17:43.339Z] [worker-posts-3a43686e-d66c-4835-a45e-b4be49366232]: Assigning socketPath: /var/folders/zp/903b9f055r1czvjktw3fg_7r0000gn/T/firebase_emulator_invocation_3a43686e-d66c-4835-a45e-b4be49366232.sock
[2019-11-19T10:17:43.339Z] [worker-posts-3a43686e-d66c-4835-a45e-b4be49366232]: BUSY
[2019-11-19T10:17:43.339Z] [runtime-status] Trigger "posts" has been found, beginning invocation! {}
i  functions: Beginning execution of "posts"
[2019-11-19T10:17:43.340Z] [runtime-status]  {"httpsTrigger":{},"name":"posts","entryPoint":"posts"}
[2019-11-19T10:17:43.340Z] [runtime-status] Running posts in mode HTTPS {}
>  events.js:174
>        throw er; // Unhandled 'error' event
>        ^
>  
>  Error: listen EADDRINUSE: address already in use /var/folders/zp/903b9f055r1czvjktw3fg_7r0000gn/T/firebase_emulator_invocation_3a43686e-d66c-4835-a45e-b4be49366232.sock
>      at Server.setupListenHandle [as _listen2] (net.js:1263:19)
>      at listenInCluster (net.js:1328:12)
>      at Server.listen (net.js:1426:5)
>      at Function.listen (/Users/mmj/.npm-global/lib/node_modules/firebase-tools/node_modules/express/lib/application.js:618:24)
>      at Promise (/Users/mmj/.npm-global/lib/node_modules/firebase-tools/lib/emulator/functionsEmulatorRuntime.js:563:46)
>      at new Promise (<anonymous>)
>      at /Users/mmj/.npm-global/lib/node_modules/firebase-tools/lib/emulator/functionsEmulatorRuntime.js:528:15
>      at Generator.next (<anonymous>)
>      at /Users/mmj/.npm-global/lib/node_modules/firebase-tools/lib/emulator/functionsEmulatorRuntime.js:7:71
>      at new Promise (<anonymous>)
>  Emitted 'error' event at:
>      at emitErrorNT (net.js:1307:8)
>      at process._tickCallback (internal/process/next_tick.js:63:19)
[2019-11-19T10:17:43.352Z] [worker-posts-3a43686e-d66c-4835-a45e-b4be49366232]: exited
[2019-11-19T10:17:43.353Z] [worker-posts-3a43686e-d66c-4835-a45e-b4be49366232]: FINISHED

[samtstern]

For everyone affected by this: version 7.8.1 was just released!

[parsher]

@samtstern Thank you for your fast release! @richard-mckenna Me too, I eased every code I had written when I face it. ha ha. I am using Vue too 😃