IssueTracker

• Are you an Android developer?" (Y/N) Yes

• Is this a regression from Android 15? Yes

• What device are you using? Android Emulator

• What are the steps to reproduce the problem?

  1. Use this code for your Application

      class MainApplication : Application() {
     
          override fun onCreate() {
              super.onCreate()
     
              CoroutineScope(Dispatchers.IO).launch {
                  InetAddress.getByName("google.com")
              }
          }
      }
     

  2. Add INTERNET Permission to Manifest

      <uses-permission android:name="android.permission.INTERNET" />
     

  3. Start App

• What was the expected result? Hostname should be resolved

• What was the actual result? App Crash with UnknownHostException/GaiException

• Relevant logcat output.

    Fatal Exception: java.net.UnknownHostException: Unable to resolve host "google.com": No address associated with hostname
   at java.net.Inet6AddressImpl.lookupHostByName(Inet6AddressImpl.java:156)
   at java.net.Inet6AddressImpl.lookupAllHostAddr(Inet6AddressImpl.java:103)
   at java.net.InetAddress.getByName(InetAddress.java:1106)
   at de.swmh.szapp.app.SzApplication$onCreate$1.invokeSuspend(SzApplication.kt:32)
   at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
   at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
   at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:586)
   at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:829)
   at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:717)
   at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:704)
    Caused by android.system.GaiException: android_getaddrinfo failed: EAI_NODATA (No address associated with hostname)
   at libcore.io.Linux.android_getaddrinfo(Linux.java)
   at libcore.io.ForwardingOs.android_getaddrinfo(ForwardingOs.java:133)
   at libcore.io.BlockGuardOs.android_getaddrinfo(BlockGuardOs.java:222)
   at libcore.io.ForwardingOs.android_getaddrinfo(ForwardingOs.java:133)
   at java.net.Inet6AddressImpl.lookupHostByName(Inet6AddressImpl.java:135)
   at java.net.Inet6AddressImpl.lookupAllHostAddr(Inet6AddressImpl.java:103)
   at java.net.InetAddress.getByName(InetAddress.java:1106)
   at de.swmh.szapp.app.SzApplication$onCreate$1.invokeSuspend(SzApplication.kt:32)
   at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
   at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
   at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:586)
   at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:829)
   at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:717)
   at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:704)
  

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Our App is doing Network Requests in Application::onCreate. Starting with Android 15 these requests fail with either UnknownHostException or GaiException. On lower Android versions it works.

InetAddress.getByName is just an example, any request fails. Permissions are set correctly in the manifest. Do you know why this happens? Or do you know when it is safe to do network requests? When I add a delay of a few seconds, it works