无法启动服务意图,U=0:未找到?

问题描述

我正在尝试在 android 系统服务 (AOSP) 中从 Paho 运行 MqttService 客户端,但收到以下错误

970-01-01 01:00:18.794 2658-2658/system_process D/MqttClientService: Failed to connect to: tcp://localhost:1883 exception java.lang.RuntimeException: cannot start service org.eclipse.paho.android.service.MqttService
1970-01-01 01:00:18.794 2658-2658/system_process W/ContextImpl: Calling a method in the system process without a qualified user: android.app.ContextImpl.bindService:1649 org.eclipse.paho.android.service.MqttAndroidClient.connect:425 com.android.server.MqttClientService.init:193 com.android.server.MqttClientService.<init>:127 com.android.server.SystemServer.startOtherServices:953 
1970-01-01 01:00:18.794 2658-2658/system_process W/ActivityManager: Unable to start service Intent { cmp=android/org.eclipse.paho.android.service.MqttService } U=0: not found

U=0: not found 是什么意思?

解决方法

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