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square / okhttp

Square’s meticulous HTTP client for the JVM, Android, and GraalVM.
https://square.github.io/okhttp/
Apache License 2.0
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UnknownHostException bug in API-30 #6189

Closed AhmerAfzal1 closed 4 years ago

AhmerAfzal1 commented 4 years ago

There is bug in API 30, Host address is correct and okhttp works fine in API29 with particular link

Please take a look

java.net.UnknownHostException: Unable to resolve host "graph.facebook.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.getAllByName(InetAddress.java:1152) at okhttp3.Dns$Companion$DnsSystem.lookup(Dns.kt:49) at okhttp3.internal.connection.RouteSelector.resetNextInetSocketAddress(RouteSelector.kt:164) at okhttp3.internal.connection.RouteSelector.nextProxy(RouteSelector.kt:129) at okhttp3.internal.connection.RouteSelector.next(RouteSelector.kt:71) at okhttp3.internal.connection.ExchangeFinder.findConnection(ExchangeFinder.kt:205) at okhttp3.internal.connection.ExchangeFinder.findHealthyConnection(ExchangeFinder.kt:106) at okhttp3.internal.connection.ExchangeFinder.find(ExchangeFinder.kt:74) at okhttp3.internal.connection.RealCall.initExchange$okhttp(RealCall.kt:255) at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.kt:32) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109) at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.kt:95) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109) at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.kt:83) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109) at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.kt:76) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109) at okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:201) at okhttp3.internal.connection.RealCall.execute(RealCall.kt:154) at com.ahmer.whatsapp.activity.AhmerActivity$DownloadMyImage.doInBackground(AhmerActivity.java:313) at com.ahmer.whatsapp.activity.AhmerActivity$DownloadMyImage.doInBackground(AhmerActivity.java:293) at com.ahmer.afzal.utils.CoroutineAsyncTask$execute$1.invokeSuspend(CoroutineAsyncTask.kt:31) at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33) at kotlinx.coroutines.DispatchedTask.run(Dispatched.kt:241) at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:594) at kotlinx.coroutines.scheduling.CoroutineScheduler.access$runSafely(CoroutineScheduler.kt:60) at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:740) Caused by: android.system.GaiException: android_getaddrinfo failed: EAI_NODATA (No address associated with hostname) at libcore.io.Linux.android_getaddrinfo(Native Method) at libcore.io.ForwardingOs.android_getaddrinfo(ForwardingOs.java:73) at libcore.io.BlockGuardOs.android_getaddrinfo(BlockGuardOs.java:202) at libcore.io.ForwardingOs.android_getaddrinfo(ForwardingOs.java:73) at java.net.Inet6AddressImpl.lookupHostByName(Inet6AddressImpl.java:135) ... 28 more

yschimke commented 4 years ago

On it's own this is a generic network error. It's not a bug in OkHttp and not something we can fix on our own. You should ask about usage questions like this on stackoverflow.

But most likely it's Android not letting your app use the network while backgrounded, or based on some restrictions e.g. low power mode.

Please raise a question on stackoverflow.