最近在用AndroidStudio开发App的时候，所连的服务器如果是换成本机上的，那么启动App的时候数据就读取不出来，连其它电脑上的服务器就是正常的，如下：
1 05-11 09:36:57.178 5024-5779/com.huipu.mc_android E/ActivityThread: Failed to find provider info for com.google.settings 2 05-11 09:36:57.358 6055-6055/? E/ActivityThread: Failed to find provider info for com.sec.android.inputmethod.resourcemanager 3 05-11 09:36:57.358 6055-6055/? E/ActivityThread: Failed to find provider info for com.sec.android.inputmethod.resourcemanager 4 05-11 09:36:57.358 6055-6055/? E/ActivityThread: Failed to find provider info for com.sec.android.inputmethod.resourcemanager 5 05-11 09:36:57.378 5024-5800/com.huipu.mc_android E/libEGL: validate_display:255 error 3008 (EGL_BAD_DISPLAY) 6 05-11 09:37:03.408 3428-3722/? E/BtGatt.GattService: [GSIM LOG]: gsimLogHandler: null, msg: MESSAGE_REPORT_RESULT_4_BATTERY 7 05-11 09:37:09.568 3987-3987/? E/MtpServerJNI: server is null in send_object_removed 8 05-11 09:37:12.478 1905-1905/? E/ActivityThread: Failed to find provider info for com.myscript.atk.rmc 9 05-11 09:37:17.028 1379-2554/? E/Watchdog: !@Sync 541 [05-11 09:37:17.042] 10 05-11 09:37:34.928 6055-6055/? E/ActivityThread: Failed to find provider info for com.sec.android.inputmethod.resourcemanager 11 05-11 09:37:34.928 6055-6055/? E/ActivityThread: Failed to find provider info for com.sec.android.inputmethod.resourcemanager 12 05-11 09:37:34.948 6055-6055/? E/ActivityThread: Failed to find provider info for com.sec.android.inputmethod.resourcemanager 13 05-11 09:37:37.088 5024-5024/com.huipu.mc_android E/MotionRecognitionManager: mSContextService = android.hardware.scontext.ISContextService$Stub$Proxy@351f474 14 05-11 09:37:37.088 5024-5024/com.huipu.mc_android E/MotionRecognitionManager: motionService = com.samsung.android.motion.IMotionRecognitionService$Stub$Proxy@8189d9d 15 05-11 09:37:37.088 5024-5024/com.huipu.mc_android E/MotionRecognitionManager: motionService = com.samsung.android.motion.IMotionRecognitionService$Stub$Proxy@8189d9d 16 05-11 09:37:37.248 6055-6055/? E/ActivityThread: Failed to find provider info for com.sec.android.inputmethod.resourcemanager 17 05-11 09:37:37.258 6055-6055/? E/ActivityThread: Failed to find provider info for com.sec.android.inputmethod.resourcemanager 18 05-11 09:37:37.258 6055-6055/? E/ActivityThread: Failed to find provider info for com.sec.android.inputmethod.resourcemanager 19 05-11 09:37:47.028 1379-2554/? E/Watchdog: !@Sync 542 [05-11 09:37:47.044]
后来突然想到把防火墙关掉试试，结果还真的可以了。