Already on GitHub? okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:142) How to handle java.net.UnknownHostException while using retrofit How to fix "failed to connect" error when using retrofit2? The problem is that I get "Unable to resolve host "xxxxxx": No address associated with hostname" every time. NetworkModule ("https://api.something.something.net/") . All in all the issue was not with OkHttp in this case but I would suggest to improve upon the exceptions that get reported through the await() function in KotlinExtensions.kt to include the caller in the stack trace somehow. This question was caused by a typo or a problem that can no longer be reproduced. Context The endpoint url is something like https://api.something.something.net/. Find centralized, trusted content and collaborate around the technologies you use most. Changing non-standard date timestamp format in CSV using awk/sed, Institutional email for mathematical organization. fun getClients (): Call , The error messages I get are Can you provide a test case that reproduces that behavior? I'm using dependency injection with Dagger, so I've a NetworkModule that looks like: . You can't actually know from an exception whether there is no internet, or some other network error occurred along the way, as you encountered, there are many others situations and Exceptions you might get like If you are facing the error "Unable to resolve host <host-name>: No address associated with hostname" while using Retrofit2 and OkHttp3 in your Android application, it means that the URL you are trying to access is not valid or cannot be resolved. 586), Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Testing native, sponsored banner ads on Stack Overflow (starting July 6), Temporary policy: Generative AI (e.g., ChatGPT) is banned. privacy statement. Connection timeout is the time that start from sending the request to a completed TCP handshake with the server. I believe this is a bug because Retrofit calls work fine when I run them normally but fail when I try to test them. To learn more, see our tips on writing great answers. Fatal Exception: java.net.UnknownHostException Unable to resolve host "xxx.example.com": No address associated with hostname. Now if I change the base url of the NetworkModule by the IP and I add this line to the authorization Interceptor: I'm not sure if this is unrelated or if it's actually one step forward to fix it. That's a tricky part. The text was updated successfully, but these errors were encountered: This is a normal IOException subtype that occurs when the internet is down and needs to be handled your code. You switched accounts on another tab or window. [Solved]-Android Retrofit - HTTP FAILED: java.net.UnknownHostException I also cannot tell at the moment what other kinds of errors do not get propagated to the callers and instead crash the whole application. Does this change how I list it on my CV? Schengen Visa: if the main destination consulate can't process the application in time, can you apply to other countries? Retrofit offers you an extremely convenient way of creating and managing network requests.From asynchronous execution on a background thread, to automatic conversion of server responses to Java objects, Retrofit does almost everything for you. okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:117) UnknownHostException inside the catch block and show more fine-grained messages to the user. Logging level. This issue tracker is not the place for questions. to your account, Question. retrofit | Hymane's Blog if I use the ip address. So the suggestion is questionable. Bugs with tests blocking and non-blocking calls) in an android app using Retrofit2 and OkHttp library. I though that Retrofit only fired UnknownHostException if I tried to make an http request without internet connection. And Retrofit2 works very well for other api without '-' or '_' in the path. This is entirely outside the control of both libraries. Thanks for contributing an answer to Stack Overflow! In prior versions you could use RetrofitError.isNetworkError(). android - Retrofit 2 unable to resolve host - Stack Overflow In app, in case of network timeouts, can check for the class of exception instance when the error finally timeouts and onFailure(Throwable t) is executed. Making statements based on opinion; back them up with references or personal experience. Table Of Contents 1. I updated the okhttp client library to the latest version and I cannot see that SSLConnectionSocketFactory class anywhere. I tried hitting a random public endpoint (https://jsonplaceholder.typicode.com/todos/1) and It worked perfectly. IllegalArgumentException Cause When a method is passed illegal or unsuitable arguments, an IllegalArgumentException is thrown. Reload to refresh your session. If the device is connected to the internet, we create a Retrofit instance with the base URL and Gson converter factory. Have a question about this project? retrofit2.DefaultCallAdapterFactory$ExecutorCallbackCall.execute (DefaultCallAdapterFactory.java:108) How to draw the following sphere with cylinder in it? okhttp3.logging.HttpLoggingInterceptor.intercept (HttpLoggingInterceptor.java:143) Here is an example code snippet that shows how to use Retrofit2 and OkHttp3 to make a network request: In this example, ApiService is an interface that defines the API endpoints, DataResponse is the data model for the API response, and getData() is a method in the ApiService interface that makes a network request using Retrofit2 and OkHttp3. Managed to resolve it. 586), Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Testing native, sponsored banner ads on Stack Overflow (starting July 6), Temporary policy: Generative AI (e.g., ChatGPT) is banned, Retrofit-IllegalArgumentException: unexpected url, Retrofit 2.0 is returning an incorrect URL, java.lang.IllegalArgumentException: baseUrl must end in / while using retrofit 2.1.0 for GET method, Retrofit error-Missing either @GET URL or @Url parameter, java.lang.IllegalArgumentException: @Url cannot be used with @GET URL (parameter #1), Android Retrofit - HTTP FAILED: java.net.UnknownHostException: Unable to resolve host {my base url}: No address associated with hostname, Error while making request to the server using retrofit. 3. This issue still exists today. In this tutorial, we will show you how to fix this error by checking the network connectivity before making the network request. Unable to resolve host "xxx.example.com": No address associated with hostname, Caused by android.system.GaiException Hello, okhttp3.internal.connection.RouteSelector.resetNextInetSocketAddress (RouteSelector.java:171) I am trying to call an API through retrofits. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. However, there wasn't www.example.com in the hosts of the server, but only example.com. java.net.UnknownHostException: Unable to resolve host "api.something.something.net": No address associated with hostname, com.android.volley.NoConnectionError: java.net.UnknownHostException: Unable to resolve host "api.something.something.net": No address associated with hostname. Hi there, Apparently, for some reason, the VPN prevents the OkHttp dns mechanism from solving the base url into an IP. Thanks for contributing an answer to Stack Overflow! okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:142) Have a question about this project? Retrofit failed response callback, java.security.cert.CertificateException, Retrofit HTTPS connection not working in Android, SSLProtocolException with HTTPs on Retrofit2, SSLHandshakeException: Connection closed by peer on android app, Retrofit 2.2.0 Android API 24 javax.net.ssl.SSLHandshakeException: Handshake failed, Failed to connect to HTTPS using Retrofit 2 in Android < 21, Retrofit request is not working on pre Lollipop devices. If you are getting the "Unable to resolve host" error with Retrofit2 and OkHttp3 in Android, it means that the hostname you are trying to connect to is not resolving to an IP address. Does OkHttp support accepting self-signed SSL certs? java.net.UnknownHostException: Unable to resolve host "414.shtml": No address associated with hostname for Retrofit api hitting. Enter the DNS server address you want to use. You switched accounts on another tab or window. Stay Up-to-Date with Our Weekly Updates. Add the dependencies for retrofit library as described in the Remarks section. rev2023.7.3.43523. okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:142) Yes, this gets weirder. How can I handle empty response body with Retrofit 2? Select the option "Private DNS provider hostname". Is the exception a feature of okHttp or Retrofit? HttpException (Retrofit 2.7.1 API) - GitHub Pages UnknownHostException when trying to test Retrofit call, https://stackoverflow.com/questions/tagged/retrofit, https://gist.github.com/swankjesse/6608b4713ad80988cdc9. 5. Step 3: Use the retrofit.create() method to create an instance of your API service interface. The following examples show how to use retrofit2.adapter.rxjava.HttpException . The issue is that I got some reports that in some devices Retrofit is firing ConnectionException and in some other devices is firing UnknownHostException. Reload to refresh your session. privacy statement. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:142) Are there good reasons to minimize the number of keywords in a language? Already on GitHub? Otherwise the host is not reachable. Then the site doesn't exist. Logging in Retrofit 2 with HttpLoggingInterceptor - HowToDoInJava
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