问题描述

mqtt 是否能推送数据给多个客户端数据，一次多推。

如题所说，遇到一个bug
W/System.err( 1904): Client is not connected (32104)
W/System.err( 1904): at org.eclipse.paho.client.mqttv3.internal.ExceptionHelper.createMqttException(ExceptionHelper.java:27)
W/System.err( 1904): at org.eclipse.paho.client.mqttv3.internal.ClientComms.internalSend(ClientComms.java:101)
W/System.err( 1904): at org.eclipse.paho.client.mqttv3.internal.ClientComms.sendAndWait(ClientComms.java:111)
W/System.err( 1904): at org.eclipse.paho.client.mqttv3.MqttClient.subscribe(MqttClient.java:588)
W/System.err( 1904): at org.eclipse.paho.client.mqttv3.MqttClient.subscribe(MqttClient.java:482)
W/System.err( 1904): at de.eclipsemagazin.mqtt.push.MQTTService$1.handleMessage(MQTTService.java:45)
W/System.err( 1904): at android.os.Handler.dispatchMessage(Handler.java:102)
W/System.err( 1904): at android.os.Looper.loop(Looper.java:136)
W/System.err( 1904): at android.app.ActivityThread.main(ActivityThread.java:5017)
W/System.err( 1904): at java.lang.reflect.Method.invokeNative(Native Method)
W/System.err( 1904): at java.lang.reflect.Method.invoke(Method.java:515)
W/System.err( 1904): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:788)
W/System.err( 1904): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:604)
W/System.err( 1904): at dalvik.system.NativeStart.main(Native Method)
W/System.err( 1904): Timed out waiting for a response from the server (32000)
W/System.err( 1904): at org.eclipse.paho.client.mqttv3.internal.ExceptionHelper.createMqttException(ExceptionHelper.java:27)
W/System.err( 1904): at org.eclipse.paho.client.mqttv3.internal.ClientComms.connect(ClientComms.java:162)
W/System.err( 1904): at org.eclipse.paho.client.mqttv3.MqttClient.connect(MqttClient.java:339)
W/System.err( 1904): at de.eclipsemagazin.mqtt.push.MQTTService$3.run(MQTTService.java:111)
W/System.err( 1904): at java.lang.Thread.run(Thread.java:841)
D/dalvikvm( 599): GC_CONCURRENT freed 874K, 19% free 4489K/5488K, paused 27ms+5ms, total 84ms