java.net.UnknownHostException: Unable to resolve host "https://www.app.com": No address associated with hostname

[gelbertgel]

My url is unknownhost but it is reachable url.

12-21 09:40:41.296 17597-17597/? W/System.err: java.net.UnknownHostException: Unable to resolve host "https://www.app.com": No address associated with hostname 12-21 09:40:41.299 17597-17597/? W/System.err: at java.net.Inet6AddressImpl.lookupHostByName(Inet6AddressImpl.java:125) 12-21 09:40:41.302 17597-17597/? W/System.err: at java.net.Inet6AddressImpl.lookupAllHostAddr(Inet6AddressImpl.java:74) 12-21 09:40:41.303 17597-17597/? W/System.err: at java.net.InetAddress.getByName(InetAddress.java:708) 12-21 09:40:41.305 17597-17597/? W/System.err: at com.stealthcopter.networktools.PortScan.onAddress(PortScan.java:58) 12-21 09:40:41.307 17597-17597/? W/System.err: at com.chat.android.runmode.RunModeConfigurator.getPing(RunModeConfigurator.java:135) 12-21 09:40:41.309 17597-17597/? W/System.err: at com.chat.android.runmode.RunModeConfigurator.controlIps(RunModeConfigurator.java:92) 12-21 09:40:41.311 17597-17597/? W/System.err: at com.chat.android.runmode.RunModeConfigurator.(RunModeConfigurator.java:53) 12-21 09:40:41.313 17597-17597/? W/System.err: at com.chat.android.MyApplication.onCreate(MyApplication.java:197) 12-21 09:40:41.315 17597-17597/? W/System.err: at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1032) 12-21 09:40:41.316 17597-17597/? W/System.err: at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5876) 12-21 09:40:41.318 17597-17597/? W/System.err: at android.app.ActivityThread.-wrap3(ActivityThread.java) 12-21 09:40:41.320 17597-17597/? W/System.err: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1699) 12-21 09:40:41.322 17597-17597/? W/System.err: at android.os.Handler.dispatchMessage(Handler.java:102) 12-21 09:40:41.323 17597-17597/? W/System.err: at android.os.Looper.loop(Looper.java:154) 12-21 09:40:41.324 17597-17597/? W/System.err: at android.app.ActivityThread.main(ActivityThread.java:6682) 12-21 09:40:41.324 17597-17597/? W/System.err: at java.lang.reflect.Method.invoke(Native Method) 12-21 09:40:41.325 17597-17597/? W/System.err: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1520) 12-21 09:40:41.326 17597-17597/? W/System.err: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1410) 12-21 09:40:41.327 17597-17597/? W/System.err: Caused by: android.system.GaiException: android_getaddrinfo failed: EAI_NODATA (No address associated with hostname) 12-21 09:40:41.328 17597-17597/? W/System.err: at libcore.io.Posix.android_getaddrinfo(Native Method) 12-21 09:40:41.328 17597-17597/? W/System.err: at libcore.io.ForwardingOs.android_getaddrinfo(ForwardingOs.java:55) 12-21 09:40:41.329 17597-17597/? W/System.err: at java.net.Inet6AddressImpl.lookupHostByName(Inet6AddressImpl.java:106) 12-21 09:40:41.329 17597-17597/? W/System.err: ... 17 more