When run this command( ionic capacitor run android -l --external ) getting some errors. Please help me to solve

Screenshot of the errors in cmd:

  1. Screenshot by Lightshot
Starting a Gradle Daemon, 1 incompatible Daemon could not be reused, use --status for details
[capacitor]         > Configure project :app
[capacitor]         google-services.json not found, google-services plugin not applied. Push Notifications won't work
[capacitor]         WARNING:: Using flatDirs should be avoided because it doesn't support any meta-data formats.
[capacitor]         Currently detected usages:
[capacitor]         - repository flatDir used in: project ':app', project ':capacitor-cordova-android-plugins'
[capacitor]         WARNING:: Please remove usages of `jcenter()` Maven repository from your build scripts and migrate your build to other Maven repositories.
[capacitor]         This repository is deprecated and it will be shut down in the future.
[capacitor]         See http://developer.android.com/r/tools/jcenter-end-of-service for more information.
[capacitor]         Currently detected usages in: root project 'android', project ':app', project ':capacitor-android', ...
  1. Screenshot by Lightshot
[capacitor]         FAILURE: Build failed with an exception.
[capacitor]         * What went wrong:
[capacitor]         Execution failed for task ':app:processDebugMainManifest'.
[capacitor]         > Unable to make field private final java.lang.String java.io.File.path accessible: module java.base does not "opens java.io" to unnamed module @33538c71
[capacitor]         * Try:
[capacitor]         Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
[capacitor]         * Get more help at https://help.gradle.org
[capacitor]         Deprecated Gradle features were used in this build, making it incompatible with Gradle 8.0.
[capacitor]         Use '--warning-mode all' to show the individual deprecation warnings.
[capacitor]         BUILD FAILED in 33s
[capacitor]         See https://docs.gradle.org/7.0/userguide/command_line_interface.html#sec:command_line_warnings
[capacitor]         42 actionable tasks: 42 executed
  1. My package.js
"dependencies": {
    "@capacitor/android": "3.2.0",
    "@capacitor/app": "^1.0.2",
    "@capacitor/core": "3.2.0",
    "@capacitor/haptics": "^1.0.2",
    "@capacitor/keyboard": "^1.0.2",
    "@capacitor/status-bar": "^1.0.2",
    "@ionic/react": "^5.5.0",
    "@ionic/react-router": "^5.5.0",
    "@testing-library/jest-dom": "^5.11.9",
    "@testing-library/react": "^11.2.5",
    "@testing-library/user-event": "^12.6.3",
    "@types/jest": "^26.0.20",
    "@types/node": "^12.19.15",
    "@types/react": "^16.14.3",
    "@types/react-dom": "^16.9.10",
    "@types/react-router": "^5.1.11",
    "@types/react-router-dom": "^5.1.7",
    "ionicons": "^5.4.0",
    "react": "^17.0.1",
    "react-dom": "^17.0.1",
    "react-router": "^5.2.0",
    "react-router-dom": "^5.2.0",
    "react-scripts": "4.0.2",
    "typescript": "^4.1.3",
    "web-vitals": "^0.2.4",
    "workbox-background-sync": "^5.1.4",
    "workbox-broadcast-update": "^5.1.4",
    "workbox-cacheable-response": "^5.1.4",
    "workbox-core": "^5.1.4",
    "workbox-expiration": "^5.1.4",
    "workbox-google-analytics": "^5.1.4",
    "workbox-navigation-preload": "^5.1.4",
    "workbox-precaching": "^5.1.4",
    "workbox-range-requests": "^5.1.4",
    "workbox-routing": "^5.1.4",
    "workbox-strategies": "^5.1.4",
    "workbox-streams": "^5.1.4"
"devDependencies": {
    "@capacitor/cli": "3.2.0"

Note: My android studio, ionic, capacitor are all up to date. But still getting the above error. Please help me.


Are you using java 16?

I don’t think it’s compatible with Android development at the moment.

1 Like

Yes, I was using java 16. I solved it by downgraded the java version. Thanks