當我執行Web服務應用程序時，我總是得到這個錯誤，你能幫助我嗎？

Question

02-21 14:00:32.442: W/WindowManager(88): Failure taking screenshot for (180x300) to layer 21010 
02-21 14:00:32.621: W/NetworkManagementSocketTagger(88): setKernelCountSet(10004, 1) failed with errno -2 
02-21 14:00:34.962: W/NetworkManagementSocketTagger(88): setKernelCountSet(10061, 0) failed with errno -2 
02-21 14:00:38.403: D/AndroidRuntime(583): >>>>>> AndroidRuntime START com.android.internal.os.RuntimeInit <<<<<< 
02-21 14:00:38.403: D/AndroidRuntime(583): CheckJNI is ON 
02-21 14:00:40.521: D/AndroidRuntime(583): Calling main entry com.android.commands.pm.Pm 
02-21 14:00:40.592: D/AndroidRuntime(583): Shutting down VM 
02-21 14:00:40.611: I/AndroidRuntime(583): NOTE: attach of thread 'Binder Thread #3' failed 
02-21 14:00:40.621: D/dalvikvm(583): GC_CONCURRENT freed 100K, 78% free 462K/2048K, paused 2ms+2ms 
02-21 14:00:40.621: D/jdwp(583): Got wake-up signal, bailing out of select 
02-21 14:00:40.621: D/dalvikvm(583): Debugger has detached; object registry had 1 entries 
02-21 14:00:41.421: D/AndroidRuntime(596): >>>>>> AndroidRuntime START com.android.internal.os.RuntimeInit <<<<<< 
02-21 14:00:41.421: D/AndroidRuntime(596): CheckJNI is ON 
02-21 14:00:42.471: D/AndroidRuntime(596): Calling main entry com.android.commands.am.Am 
02-21 14:00:42.521: I/ActivityManager(88): START {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10000000 cmp=com.pfe/.SoappActivity} from pid 596 
02-21 14:00:42.531: W/WindowManager(88): Failure taking screenshot for (180x300) to layer 21005 
02-21 14:00:42.611: W/NetworkManagementSocketTagger(88): setKernelCountSet(10061, 1) failed with errno -2 
02-21 14:00:43.221: W/System.err(536): at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:95) 
02-21 14:00:42.661: I/AndroidRuntime(596): NOTE: attach of thread 'Binder Thread #3' failed 
02-21 14:00:42.661: D/dalvikvm(596): GC_CONCURRENT freed 101K, 77% free 483K/2048K, paused 1ms+3ms 
02-21 14:00:42.661: D/jdwp(596): Got wake-up signal, bailing out of select 
02-21 14:00:42.671: D/dalvikvm(596): Debugger has detached; object registry had 1 entries 
02-21 14:00:43.021: W/System.err(536): android.os.NetworkOnMainThreadException 
02-21 14:00:43.021: W/System.err(536): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1084) 
02-21 14:00:43.071: W/System.err(536): at java.net.InetAddress.lookupHostByName(InetAddress.java:391) 
02-21 14:00:43.071: W/System.err(536): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:242) 
02-21 14:00:43.081: W/System.err(536): at java.net.InetAddress.getAllByName(InetAddress.java:220) 
02-21 14:00:43.081: W/System.err(536): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:71) 
02-21 14:00:43.081: W/System.err(536): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50) 
02-21 14:00:43.127: W/System.err(536): at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:351) 
02-21 14:00:43.127: W/System.err(536): at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:86) 
02-21 14:00:43.131: W/System.err(536): at libcore.net.http.HttpConnection.connect(HttpConnection.java:128) 
02-21 14:00:43.332: W/System.err(536): at dalvik.system.NativeStart.main(Native Method) 
02-21 14:01:30.961: D/dalvikvm(536): GC_CONCURRENT freed 231K, 4% free 10112K/10503K, paused 23ms+23ms 
02-21 14:04:36.751: D/gralloc_goldfish(640): Emulator without GPU emulation detected. 
02-21 14:05:40.481: D/AndroidRuntime(640): Shutting down VM 
02-21 14:05:40.481: W/dalvikvm(640): threadid=1: thread exiting with uncaught exception (group=0x409951f8) 
02-21 14:05:40.571: E/AndroidRuntime(640): FATAL EXCEPTION: main 
02-21 14:05:40.571: E/AndroidRuntime(640): java.lang.RuntimeException: Unable to create service com.pfe.MonService: java.lang.IllegalArgumentException: provider=network 
02-21 14:05:40.571: E/AndroidRuntime(640): at android.app.ActivityThread.handleCreateService(ActivityThread.java:2262) 
02-21 14:05:40.571: E/AndroidRuntime(640): at android.app.ActivityThread.access$1600(ActivityThread.java:122) 
02-21 14:05:40.571: E/AndroidRuntime(640): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1200) 
02-21 14:05:40.571: E/AndroidRuntime(640): at android.os.Handler.dispatchMessage(Handler.java:99) 
02-21 14:05:40.571: E/AndroidRuntime(640): at android.os.Looper.loop(Looper.java:137) 
02-21 14:05:40.571: E/AndroidRuntime(640): at android.app.ActivityThread.main(ActivityThread.java:4340) 
02-21 14:05:40.571: E/AndroidRuntime(640): at java.lang.reflect.Method.invokeNative(Native Method) 
02-21 14:05:40.571: E/AndroidRuntime(640): at java.lang.reflect.Method.invoke(Method.java:511) 
02-21 14:05:40.571: E/AndroidRuntime(640): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 
02-21 14:05:40.571: E/AndroidRuntime(640): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 
02-21 14:05:40.571: E/AndroidRuntime(640): at dalvik.system.NativeStart.main(Native Method) 
02-21 14:05:40.571: E/AndroidRuntime(640): Caused by: java.lang.IllegalArgumentException: provider=network 
02-21 14:05:40.571: E/AndroidRuntime(640): at android.os.Parcel.readException(Parcel.java:1331) 
02-21 14:05:40.571: E/AndroidRuntime(640): at android.os.Parcel.readException(Parcel.java:1281) 
02-21 14:05:40.571: E/AndroidRuntime(640): at android.location.ILocationManager$Stub$Proxy.requestLocationUpdates(ILocationManager.java:646) 
02-21 14:05:40.571: E/AndroidRuntime(640): at android.location.LocationManager._requestLocationUpdates(LocationManager.java:582) 
02-21 14:05:40.571: E/AndroidRuntime(640): at android.location.LocationManager.requestLocationUpdates(LocationManager.java:446) 
02-21 14:05:40.571: E/AndroidRuntime(640): at com.pfe.MonService.onCreate(MonService.java:58) 
02-21 14:05:40.571: E/AndroidRuntime(640): at android.app.ActivityThread.handleCreateService(ActivityThread.java:2252) 
02-21 14:05:40.571: E/AndroidRuntime(640): ... 10 more 

Answer 1

您嘗試在主（UI）線程上執行網絡調用。這是不可接受的，因爲在大多數情況下，UI應該是響應式的，並且網絡呼叫很長。你需要的是使用Thread類或AsyncTask在另一個線程上運行你的代碼。此外，你可以檢查出this問題的一些細節。