Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,
    Expert tip

    Check if you don't have a VPN or something like this messing with your connection. Also, check Jenkins DNS configurations (try to start it with "--dns 8.8.8.8".

Solutions on the web

java.net.UnknownHostException: en.wikipedia.org at gobblin.runtime.TaskContext.getExtractor(TaskContext.java:121) at gobblin.runtime.Task.run(Task.java:127) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)Caused by: java.net.UnknownHostException: en.wikipedia.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:178) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:579) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:625) at sun.security.ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:160) at sun.net.NetworkClient.doConnect(NetworkClient.java:180) at sun.net.www.http.HttpClient.openServer(HttpClient.java:432) at sun.net.www.http.HttpClient.openServer(HttpClient.java:527) at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:275) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:371) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:976) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:153) at gobblin.example.wikipedia.WikipediaExtractor.performHttpQuery(WikipediaExtractor.java:271) at gobblin.example.wikipedia.WikipediaExtractor.retrievePageRevisions(WikipediaExtractor.java:306) at gobblin.example.wikipedia.WikipediaExtractor.<init>(WikipediaExtractor.java:185) at gobblin.example.wikipedia.WikipediaSource.getExtractor(WikipediaSource.java:103) at gobblin.runtime.TaskContext.getExtractor(TaskContext.java:119) ... 8 more