# 24 BLE 连上之后手机没有查服务，紧接着手机主动下了断线

问题1：

<a href="https://partnerissuetracker.corp.google.com/u/0/issues/420766718" class="external-link" rel="nofollow">https://partnerissuetracker.corp.google.com/u/0/issues/420766718</a>

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<th class="confluenceTh" scope="col"><pre><code>// Validator calls BluetoothDevice.connectGatt() 
05-27 18:24:26.853 I GattClientImpl: BluetoothDevice.connectGatt() - 00:00:00:00:00:0D [CONTEXT service_id=284 ]
&#10;// This follows to BluetoothDevice.connectGatt() calls, apparently one made by another app at the same time.
&#10;05-27 18:24:26.853 D BluetoothGatt: connect() - device: XX:XX:XX:XX:00:0D, auto: false
05-27 18:24:26.853 D BluetoothGatt: registerApp()
05-27 18:24:26.854 D BluetoothGatt: registerApp() - UUID=8f31e253-d3a8-492f-9165-d806b6c95c32
05-27 18:24:26.856 D BluetoothGatt: onClientRegistered() - status=0 clientIf=14
&#10;05-27 18:24:26.976 D BluetoothGatt: connect() - device: XX:XX:XX:XX:00:0D, auto: false
05-27 18:24:26.976 D BluetoothGatt: registerApp()
05-27 18:24:26.976 D BluetoothGatt: registerApp() - UUID=b48ee071-2016-4f0e-8e65-815a00cec43b
05-27 18:24:26.988 D BluetoothGatt: onClientConnectionState() - status=0 clientIf=14 device=00:00:00:00:00:0D
05-27 18:24:26.989 D BluetoothGatt: onClientRegistered() - status=0 clientIf=16
&#10;05-27 18:24:26.989 I GattClientImpl: Bluetooth connection state changed, status: GATT_SUCCESS, state: 2 - 00:00:00:00:00:0D [CONTEXT service_id=284 ]
05-27 18:24:26.990 D BluetoothGatt: requestConnectionPriority() - params: 0
&#10;// BluetoothDevice.discoverServices() called. There&#39;s also a second call to this API. From HCI service discovery is not in fact performed.
// onServicesDiscovered() is invoked right away
05-27 18:24:26.991 I GattClientImpl: discoverServices() - 00:00:00:00:00:0D [CONTEXT service_id=284 ]
05-27 18:24:26.992 D BluetoothGatt: discoverServices() - device: XX:XX:XX:XX:00:0D
05-27 18:24:26.997 D BluetoothGatt: onClientConnectionState() - status=0 clientIf=16 device=00:00:00:00:00:0D
05-27 18:24:26.998 D BluetoothGatt: discoverServices() - device: XX:XX:XX:XX:00:0D
05-27 18:24:27.001 D BluetoothGatt: onSearchComplete() = Device=00:00:00:00:00:0D Status=0
05-27 18:24:27.001 I GattClientImpl: onServicesDiscovered() - 00:00:00:00:00:0D [CONTEXT service_id=284 ]
&#10;// bluetoothGatt.writeDescriptor(Descriptor) returns false
05-27 18:24:27.101 I ValidatorImpl: Asynchronously failing: Error performing GATT operation (fe2c1238-8366-4814-8eb0-01de32100bea SUBSCRIBE_TO_NOTIFICATIONS returned false)</code></pre></th>
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<th class="confluenceTh" scope="col"><p>After BLE is connected, retroactive pairing failed due to no cache is found.</p>
<pre><code>05-27 18:24:21.381 I NearbyDiscovery: [trigger-id=Paed20819D34, feature-id=Repa] RetroactivePairManager: Skip, some info is null, mac=XX:XX:XX:XX:00:0D, remainingTime=0, ble-mac=XX:XX:XX:XX:1C:2D, model-id=99F751, bleCache=NONE [CONTEXT service_id=265 ]</code></pre>
<p>It may because the model-id<span> </span><code>99f751</code><span> </span>is filtered by spoofing detected.</p>
<pre><code>ModelIdScanTriggerStats ** last-seen-ms-ago=     95982, first-seen-ms-ago=    107254, count=   90, model-id=99f751, NotDownloadedYet, mac=XX:XX:XX:XX:1C:2D, min-distance=  0.07, max-distance=  1.00, result=SPOOFING_DETECTED</code></pre>
<p>Since the model-id<span> </span><code>99f751</code><span> </span>has still not approved in the device console yet,</p>
<p>could you go to<span> </span><code>Settings &gt; Google &gt; All services &gt; Devices</code><span> </span>and enable<span> </span><code>Include debug results</code><span> </span>(requires to enable developer mode first)</p>
<p><br />
Then, test again to see if the device can detect the advertisement correctly. Thanks!</p></th>
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问题2:

<a href="https://partnerissuetracker.corp.google.com/u/0/issues/502346693" class="external-link" rel="nofollow">https://partnerissuetracker.corp.google.com/u/0/issues/502346693</a>