java.net.UnknownHostException: appengine.google.com

google.com | 5 months ago
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Root Cause Analysis

  1. java.net.UnknownHostException

    appengine.google.com

    at java.net.PlainSocketImpl.connect()
  2. Java RT
    Socket.connect
    1. java.net.PlainSocketImpl.connect(Unknown Source)
    2. java.net.SocksSocketImpl.connect(Unknown Source)
    3. java.net.Socket.connect(Unknown Source)
    3 frames
  3. Java JSSE
    BaseSSLSocketImpl.connect
    1. com.sun.net.ssl.internal.ssl.SSLSocketImpl.connect(Unknown Source)
    2. com.sun.net.ssl.internal.ssl.BaseSSLSocketImpl.connect(Unknown Source)
    2 frames
  4. Java RT
    URL.openStream
    1. sun.net.NetworkClient.doConnect(Unknown Source)
    2. sun.net.www.http.HttpClient.openServer(Unknown Source)
    3. sun.net.www.http.HttpClient.openServer(Unknown Source)
    4. sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
    5. sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
    6. sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
    7. sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
    8. sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    9. sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    10. sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
    11. java.net.URL.openStream(Unknown Source)
    11 frames
  5. com.google.appengine
    AppCfg.main
    1. com.google.appengine.tools.info.RemoteVersionFactory.getVersion(RemoteVersionFactory.java:76)
    2. com.google.appengine.tools.info.UpdateCheck.checkForUpdates(UpdateCheck.java:99)
    3. com.google.appengine.tools.info.UpdateCheck.doNagScreen(UpdateCheck.java:174)
    4. com.google.appengine.tools.info.UpdateCheck.maybePrintNagScreen(UpdateCheck.java:142)
    5. com.google.appengine.tools.admin.AppCfg.<init>(AppCfg.java:102)
    6. com.google.appengine.tools.admin.AppCfg.<init>(AppCfg.java:61)
    7. com.google.appengine.tools.admin.AppCfg.main(AppCfg.java:57)
    7 frames