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[kura-dev] Kura 2.1.0 exception in Mqtt transfer with latest kapua code

Hi 

Sorry for the cross-posting but I'm not sure on which endpoint the problem is: kapua or kura.

I'm testing Kura 2.1.0 raspberry-pi-nn installer deployed on a docker container, with the latest 
kapua code (I just updated it today). I got the exception described below.

This configuration used to work with the kapua version as of December 20th. Also, the same 
problem arises when testing Kura 1.3.0 and 2.0.2, therefore it points to a problem in the kapua side.

Note: I'm using the kapua-sys account to authenticate the mqtt service.


2017-01-03 15:18:48,680 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.DataServiceIm
pl - Connecting...
2017-01-03 15:18:48,681 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataT
ransport - # ------------------------------------------------------------
2017-01-03 15:18:48,682 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataT
ransport - #  Connection Properties
2017-01-03 15:18:48,682 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataT
ransport - #  broker    = tcp://localhost:1883
2017-01-03 15:18:48,682 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataT
ransport - #  clientId  = pablo-thinkpad-t460
2017-01-03 15:18:48,682 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataT
ransport - #  username  = kapua-sys
2017-01-03 15:18:48,683 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataT
ransport - #  password  = XXXXXXXXXXXXXX
2017-01-03 15:18:48,683 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataT
ransport - #  keepAlive = 30
2017-01-03 15:18:48,683 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataT
ransport - #  timeout   = 20
2017-01-03 15:18:48,683 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataT
ransport - #  cleanSession    = true
2017-01-03 15:18:48,684 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataTransport - #  MQTT version    = 3.1.1
2017-01-03 15:18:48,684 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataTransport - #  willDestination = $EDC/kapua-sys/pablo-thinkpad-t460/MQTT/LWT
2017-01-03 15:18:48,684 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataTransport - #  willMessage     = 
2017-01-03 15:18:48,684 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataTransport - #
2017-01-03 15:18:48,685 [DataServiceImpl:ReconnectTask] INFO  o.e.k.c.d.t.m.MqttDataTransport - #  Connecting...
2017-01-03 15:18:48,718 [DataServiceImpl:ReconnectTask] WARN  o.e.k.c.d.t.m.MqttDataTransport - xxxxx  Connect failed. Forcing disconnect. xxxxx {}
Connection lost (32109) - java.io.EOFException
        at org.eclipse.paho.client.mqttv3.internal.CommsReceiver.run(CommsReceiver.java:154)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.EOFException
        at java.io.DataInputStream.readByte(DataInputStream.java:267)
        at org.eclipse.paho.client.mqttv3.internal.wire.MqttInputStream.readMqttWireMessage(MqttInputStream.java:89)
        at org.eclipse.paho.client.mqttv3.internal.CommsReceiver.run(CommsReceiver.java:112)
        ... 1 more

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