Android蓝牙连接错误

我在堆栈跟踪中得到以下消息。我可以找到蓝牙设备，但当我试图打开插座时，就会发生这种情况

10-30 22:23:08.901: ERROR/BTL_CFG(8633): WARNING : [service.brcm.bt.INQ_FILTER_BDA] property_get failed (0)
10-30 22:23:24.585: ERROR/BTLD(8633): ****************search UUID = 1454***********
10-30 22:23:24.600: ERROR/BluetoothEventLoop.cpp(2502): onCreateDeviceResult: D-Bus error: org.bluez.Error.AlreadyExists (Device already exists)
10-30 22:23:24.616: ERROR/DTUN_HCID4(8659): No device pointer found for peer! Ignore Error = true. Ignoring error...
10-30 22:23:26.093: ERROR/DTUN_HCID4(8659): discovery unsuccessful!
10-30 22:23:30.628: ERROR/CachedBluetoothDevice(18609): onUuidChanged: Time since last connect 1440232. mInitiatedPairing: false
10-30 22:23:30.632: ERROR/CachedBluetoothDevice(18609): onUuidChanged: Time since last connect1440236.mInitiatedPairing:false

编辑：

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套接字尝试打开但未打开，引发异常（服务发现失败），然后套接字正确关闭。

得到答案并进行补救

真希望我知道到底发生了什么：(