# Ares-install js-service(templete) error **URL:** \ **Category:** Platform Development\ **Created:** [March 14, 2023, 7:31am UTC](https://forum.webosose.org/t/ares-install-js-service-templete-error/2050 "2023-03-14T07:31:43Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![tioon74](https://yyz1.discourse-cdn.com/flex031/user_avatar/forum.webosose.org/tioon74/32/798_2.png) [@tioon74](https://forum.webosose.org/u/tioon74)\ **Post date:** [March 14, 2023, 7:31am UTC](https://forum.webosose.org/t/ares-install-js-service-templete-error/2050/1 "2023-03-14T07:31:43Z")
ares-install js-service(templete) error Hello,I'm currently using lg-web-os. but I faced a error in ares-install to emulator. I show you error situation. 1.I generate js-service app using ares -ares-generate -t js-service jsapp 2.I package js-service app using ares -ares-package --pkgid jsapp 3.I install js-service app to emulator(Lg-web-os) -ares-install --device emulator jsapp\_1.0.0\_all.ipk but, I faced a error in step 3. The contents of the error are as follows. ares-install ERR! [com.webos.appInstallService failure]: luna-send command failed I don't know why the error is happening. I use ubuntu 20.04 version, ares 2.4.0 version, node 18.14.2 version, npm 9.6.0 version ![Screenshot from 2023-03-14 16-36-16](https://canada1.discourse-cdn.com/flex031/uploads/developer1/original/1X/08f757170020c274ca27dbd4beacab7096575676.png) ---
**Author:** ![NERGI](https://yyz1.discourse-cdn.com/flex031/user_avatar/forum.webosose.org/nergi/32/364_2.png) [@NERGI](https://forum.webosose.org/u/NERGI)\ **Post date:** [March 14, 2023, 8:44am UTC](https://forum.webosose.org/t/ares-install-js-service-templete-error/2050/2 "2023-03-14T08:44:35Z")
Hi @tioon74, welcome to the forum. To install the sample JS service, do the followings: 1. Register your emulator (`ares-setup-device`). 2. Create a dummy app. 3. Create a JS service. 4. Package the service (step 3) with the app (step 2). 5. Install the package file (`.ipk`) to your emulator. I suggest you to check the followings: - Check whether you register your emulator correctly. (Check account, IP, port) - Prepare a dummy app (try with `ares-generate` ). - Prepare a JS service (Use `-t js_service `, not `-t js-service`) ---
**Author:** ![tioon74](https://yyz1.discourse-cdn.com/flex031/user_avatar/forum.webosose.org/tioon74/32/798_2.png) [@tioon74](https://forum.webosose.org/u/tioon74)\ **Post date:** [March 14, 2023, 9:50am UTC](https://forum.webosose.org/t/ares-install-js-service-templete-error/2050/3 "2023-03-14T09:50:13Z")
Thank you for your reply. I did everything you advice me to do. but, I faced same luna-send error. The webapp ipk install well to my emulator,not js\_service. The situation that I faced is as shown in the picture below. ![Screenshot from 2023-03-14 18-42-05](https://canada1.discourse-cdn.com/flex031/uploads/developer1/original/1X/8e294e862261443f5bab3c489539fc2fd6d00df7.png) ---
**Author:** ![NERGI](https://yyz1.discourse-cdn.com/flex031/user_avatar/forum.webosose.org/nergi/32/364_2.png) [@NERGI](https://forum.webosose.org/u/NERGI)\ **Post date:** [March 14, 2023, 1:52pm UTC](https://forum.webosose.org/t/ares-install-js-service-templete-error/2050/4 "2023-03-14T13:52:33Z")
1. Your packaging command should be as follows: 2. Where did you get the information about the `--pkgid` option in `ares-package`? That option doesn't exist in our official guide. (refer to the link in 1.) ---
**Author:** ![tioon74](https://yyz1.discourse-cdn.com/flex031/user_avatar/forum.webosose.org/tioon74/32/798_2.png) [@tioon74](https://forum.webosose.org/u/tioon74)\ **Post date:** [March 14, 2023, 3:57pm UTC](https://forum.webosose.org/t/ares-install-js-service-templete-error/2050/5 "2023-03-14T15:57:45Z")
thank you for your reply. I understand lg web os official guide I kept all guide. ares-package (app\_name) but I show error and Tip This Tip show me that using --pkgid or --pkginfofile ![Screenshot from 2023-03-15 00-19-01](https://canada1.discourse-cdn.com/flex031/uploads/developer1/original/1X/b443b1497876015e1072092d806e97a6fb460c2e.png) ---
**Author:** ![NERGI](https://yyz1.discourse-cdn.com/flex031/user_avatar/forum.webosose.org/nergi/32/364_2.png) [@NERGI](https://forum.webosose.org/u/NERGI)\ **Post date:** [March 14, 2023, 11:30pm UTC](https://forum.webosose.org/t/ares-install-js-service-templete-error/2050/6 "2023-03-14T23:30:55Z")
You keep trying to package the service template without a dummy app. You created a template with the `js_service` option. This template is a service, not an app. And this service MUST be packaged with a dummy app. `ares-package [App Dir] [Service Dir]` ---
**Author:** ![tioon74](https://yyz1.discourse-cdn.com/flex031/user_avatar/forum.webosose.org/tioon74/32/798_2.png) [@tioon74](https://forum.webosose.org/u/tioon74)\ **Post date:** [March 15, 2023, 4:07pm UTC](https://forum.webosose.org/t/ares-install-js-service-templete-error/2050/7 "2023-03-15T16:07:20Z")
Thank you for your tips. Thanks to you, I was able to solve the error.