java.net.UnknownHostException: mirrors.karan.org

Jenkins JIRA | Sergey Grigoriev | 4 years ago
  1. 0

    When upgrading version 1500 to a newer version I get errors Failed to resolve host name mirrors.karan.org. Perhaps you need to configure HTTP proxy? java.net.UnknownHostException: mirrors.karan.org at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:195) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) at java.net.Socket.connect(Socket.java:529) at java.net.Socket.connect(Socket.java:478) at sun.net.NetworkClient.doConnect(NetworkClient.java:163) at sun.net.www.http.HttpClient.openServer(HttpClient.java:394) at sun.net.www.http.HttpClient.openServer(HttpClient.java:529) at sun.net.www.http.HttpClient.<init>(HttpClient.java:233) at sun.net.www.http.HttpClient.New(HttpClient.java:306) at sun.net.www.http.HttpClient.New(HttpClient.java:323) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:970) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:911) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:836) at sun.net.www.protocol.http.HttpURLConnection.followRedirect(HttpURLConnection.java:2124) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1367) at hudson.model.UpdateCenter$UpdateCenterConfiguration.testConnection(UpdateCenter.java:819) at hudson.model.UpdateCenter$UpdateCenterConfiguration.checkUpdateCenter(UpdateCenter.java:668) at hudson.model.UpdateCenter$ConnectionCheckJob.run(UpdateCenter.java:985) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662)

    Jenkins JIRA | 4 years ago | Sergey Grigoriev
    java.net.UnknownHostException: mirrors.karan.org
  2. 0

    When upgrading version 1500 to a newer version I get errors Failed to resolve host name mirrors.karan.org. Perhaps you need to configure HTTP proxy? java.net.UnknownHostException: mirrors.karan.org at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:195) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) at java.net.Socket.connect(Socket.java:529) at java.net.Socket.connect(Socket.java:478) at sun.net.NetworkClient.doConnect(NetworkClient.java:163) at sun.net.www.http.HttpClient.openServer(HttpClient.java:394) at sun.net.www.http.HttpClient.openServer(HttpClient.java:529) at sun.net.www.http.HttpClient.<init>(HttpClient.java:233) at sun.net.www.http.HttpClient.New(HttpClient.java:306) at sun.net.www.http.HttpClient.New(HttpClient.java:323) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:970) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:911) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:836) at sun.net.www.protocol.http.HttpURLConnection.followRedirect(HttpURLConnection.java:2124) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1367) at hudson.model.UpdateCenter$UpdateCenterConfiguration.testConnection(UpdateCenter.java:819) at hudson.model.UpdateCenter$UpdateCenterConfiguration.checkUpdateCenter(UpdateCenter.java:668) at hudson.model.UpdateCenter$ConnectionCheckJob.run(UpdateCenter.java:985) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662)

    Jenkins JIRA | 4 years ago | Sergey Grigoriev
    java.net.UnknownHostException: mirrors.karan.org
  3. 0

    Need help with java.net.UnknownHostException

    Google Groups | 5 years ago | Pierre Retoille
    java.net.UnknownHostException: updates.jenkins-ci.org
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  5. 0

    Kohsuke Kawaguchi ยป DNS outage with jenkins-ci.org

    kohsuke.org | 4 months ago
    java.net.UnknownHostException: updates.jenkins-ci.org
  6. 0

    Jenkins users - Need help with java.net.UnknownHostException

    nabble.com | 4 months ago
    java.net.UnknownHostException: updates.jenkins-ci.org

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Root Cause Analysis

  1. java.net.UnknownHostException

    mirrors.karan.org

    at java.net.PlainSocketImpl.connect()
  2. Java RT
    HttpURLConnection.getInputStream
    1. java.net.PlainSocketImpl.connect(PlainSocketImpl.java:195)
    2. java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
    3. java.net.Socket.connect(Socket.java:529)
    4. java.net.Socket.connect(Socket.java:478)
    5. sun.net.NetworkClient.doConnect(NetworkClient.java:163)
    6. sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
    7. sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
    8. sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
    9. sun.net.www.http.HttpClient.New(HttpClient.java:306)
    10. sun.net.www.http.HttpClient.New(HttpClient.java:323)
    11. sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:970)
    12. sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:911)
    13. sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:836)
    14. sun.net.www.protocol.http.HttpURLConnection.followRedirect(HttpURLConnection.java:2124)
    15. sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1367)
    15 frames
  3. Hudson
    UpdateCenter$ConnectionCheckJob.run
    1. hudson.model.UpdateCenter$UpdateCenterConfiguration.testConnection(UpdateCenter.java:819)
    2. hudson.model.UpdateCenter$UpdateCenterConfiguration.checkUpdateCenter(UpdateCenter.java:668)
    3. hudson.model.UpdateCenter$ConnectionCheckJob.run(UpdateCenter.java:985)
    3 frames
  4. Java RT
    Thread.run
    1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
    2. java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
    3. java.util.concurrent.FutureTask.run(FutureTask.java:138)
    4. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    5. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    6. java.lang.Thread.run(Thread.java:662)
    6 frames