android - React native run problem (possibly gradle problem)

Question

i'm new to react native. i've created a project with npx react-native init project. when run it to android emulator by running npx react-native run-android got this message

info Running jetifier to migrate libraries to AndroidX. You can disable it using "--no-jetifier" flag.
Jetifier found 905 file(s) to forward-jetify. Using 8 workers...
info JS server already running.
info Installing the app...
Downloading https://services.gradle.org/distributions/gradle-6.7-all.zip

Exception in thread "main" java.net.UnknownHostException: android.hive.ir
        at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:567)
        at java.base/java.net.Socket.connect(Socket.java:648)
        at java.base/sun.net.NetworkClient.doConnect(NetworkClient.java:177)
        at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:474)
        at java.base/sun.net.www.http.HttpClient$1.run(HttpClient.java:526)
        at java.base/sun.net.www.http.HttpClient$1.run(HttpClient.java:524)
        at java.base/java.security.AccessController.doPrivileged(AccessController.java:554)
        at java.base/sun.net.www.http.HttpClient.privilegedOpenServer(HttpClient.java:523)
        at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:564)
        at java.base/sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:265)
        at java.base/sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:372)
        at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:186)
        at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1215)
        at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1082)
        at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:163)
        at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1600)
        at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1528)
        at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:224)
        at org.gradle.wrapper.Download.downloadInternal(Download.java:87)
        at org.gradle.wrapper.Download.download(Download.java:67)
        at org.gradle.wrapper.Install$1.call(Install.java:68)
        at org.gradle.wrapper.Install$1.call(Install.java:48)
        at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:69)
        at org.gradle.wrapper.Install.createDist(Install.java:48)
        at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:107)
        at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:63)

error Failed to install the app. Make sure you have the Android development environment set up: https://reactnative.dev/docs/environment-setup.
Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081
Exception in thread "main" java.net.UnknownHostException: android.hive.ir
        at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:567)
        at java.base/java.net.Socket.connect(Socket.java:648)
        at java.base/sun.net.NetworkClient.doConnect(NetworkClient.java:177)
        at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:474)
        at java.base/sun.net.www.http.HttpClient$1.run(HttpClient.java:526)
        at java.base/sun.net.www.http.HttpClient$1.run(HttpClient.java:524)
        at java.base/java.security.AccessController.doPrivileged(AccessController.java:554)
        at java.base/sun.net.www.http.HttpClient.privilegedOpenServer(HttpClient.java:523)
        at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:564)
        at java.base/sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:265)
        at java.base/sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:372)
        at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:186)
        at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1215)
        at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1082)
        at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:163)
        at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1600)
        at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1528)
        at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:224)
        at org.gradle.wrapper.Download.downloadInternal(Download.java:87)
        at org.gradle.wrapper.Download.download(Download.java:67)
        at org.gradle.wrapper.Install$1.call(Install.java:68)
        at org.gradle.wrapper.Install$1.call(Install.java:48)
        at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:69)
        at org.gradle.wrapper.Install.createDist(Install.java:48)
        at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:107)
        at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:63)

    at makeError (C:\Users\Acer\Desktop\reacts\AwesomeProject\node_modules\execa\index.js:174:9)
    at C:\Users\Acer\Desktop\reacts\AwesomeProject\node_modules\execa\index.js:278:16
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
    at async runOnAllDevices (C:\Users\Acer\Desktop\reacts\AwesomeProject\node_modules\@react-native-community\cli-platform-android\build\commands\runAndroid\runOnAllDevices.js:94:5)
    at async Command.handleAction (C:\Users\Acer\Desktop\reacts\AwesomeProject\node_modules\@react-native-community\cli\build\index.js:186:9)
info Run CLI with --verbose flag for more details.

i'm running on windows 10. i've ran project without any changes and got the message Exception in thread "main" java.net.UnknownHostException: android.hive.ir
is any configurations to solve this?

i've used expo and have no problems but i want to figure out what's the problem.

标签： androidreactjsreact-native