Hi Zhanwen, The issue seems to be in the broker configuration. If you are using IoTS-Alpha, there is a configuration issue which was fixed in the later release[1]. The issue was username and password field for mqtt configuration in broker.xml is been read as password and username respectively.
[1] https://wso2.org/jira/browse/MB-1715 Thanks, Ayyoob *Ayyoob Hamza* *Software Engineer* WSO2 Inc.; http://wso2.com email: ayy...@wso2.com cell: +94 77 1681010 <%2B94%2077%207779495> On Fri, Dec 23, 2016 at 11:45 AM, 云展智创 <i...@smartcloudex.com> wrote: > Hi all, > > Could you tell me what’s the complete steps to change the admin password > in IoTS alpha version? I had changed almost all the default admin password > in configuration files but still got lots of following errors (for example, > I change the password to smart): > > [2016-12-23 14:13:55,169] WARN - CarbonAuthenticationUtil Failed > Administrator login attempt 'smart[-1234]' at [2016-12-23 14:13:55,169+0800] > [2016-12-23 14:13:55,169] WARN - AuthenticationHandler Illegal access > attempt at [2016-12-23 14:13:55,0169] from IP address 127.0.0.1 while > trying to authenticate access to service OAuth2TokenValidationService > [2016-12-23 14:13:55,170] ERROR - OAuth2BasedMQTTAuthenticator Error on > connecting with the validation endpoint. > org.apache.axis2.AxisFault: Access Denied. Authentication failed - Invalid > credentials provided. > at org.apache.axis2.util.Utils.getInboundFaultFromMessageCont > ext(Utils.java:531) > at org.apache.axis2.description.OutInAxisOperationClient.handleResponse( > OutInAxisOperation.java:370) > at org.apache.axis2.description.OutInAxisOperationClient.send( > OutInAxisOperation.java:445) > at org.apache.axis2.description.OutInAxisOperationClient.executeImpl( > OutInAxisOperation.java:225) > at org.apache.axis2.client.OperationClient.execute( > OperationClient.java:149) > at org.wso2.carbon.identity.oauth2.stub.OAuth2TokenValidationServiceSt > ub.validate(OAuth2TokenValidationServiceStub.java:461) > at org.wso2.carbon.andes.authentication.andes. > OAuth2BasedMQTTAuthenticator.getAuthenticationInfo( > OAuth2BasedMQTTAuthenticator.java:126) > at org.wso2.carbon.andes.authentication.andes. > OAuth2BasedMQTTAuthenticator.validateToken(OAuth2BasedMQTTAuthenticator. > java:82) > at org.wso2.carbon.andes.authentication.andes. > OAuth2BasedMQTTAuthenticator.checkValid(OAuth2BasedMQTTAuthenticator. > java:62) > at org.dna.mqtt.moquette.messaging.spi.impl.ProtocolProcessor. > processConnect(ProtocolProcessor.java:256) > at org.dna.mqtt.moquette.messaging.spi.impl.SimpleMessaging.onEvent( > SimpleMessaging.java:160) > at org.dna.mqtt.moquette.messaging.spi.impl.SimpleMessaging.onEvent( > SimpleMessaging.java:47) > at com.lmax.disruptor.BatchEventProcessor.run( > BatchEventProcessor.java:128) > at java.util.concurrent.ThreadPoolExecutor.runWorker( > ThreadPoolExecutor.java:1142) > at java.util.concurrent.ThreadPoolExecutor$Worker.run( > ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745) > [2016-12-23 14:13:55,170] INFO - ProtocolProcessor Lost connection with > client paho6643675267853545 > [2016-12-23 14:13:55,171] WARN - ProtocolProcessor > MQTTAuthorizationSubject for client ID paho6643675267853545 is not removed > since the entry does not exist > [2016-12-23 14:13:55,171] INFO - ProtocolProcessor Lost connection with > client paho6643673511277781 > [2016-12-23 14:13:55,171] WARN - ProtocolProcessor > MQTTAuthorizationSubject for client ID paho6643673511277781 is not removed > since the entry does not exist > [2016-12-23 14:13:55,172] INFO - ProtocolProcessor Lost connection with > client paho6643673893486011 > [2016-12-23 14:13:55,172] WARN - ProtocolProcessor > MQTTAuthorizationSubject for client ID paho6643673893486011 is not removed > since the entry does not exist > [2016-12-23 14:13:55,172] ERROR - MQTTAdapterListener MQTT Exception > occurred when starting listener > Bad user name or password (4) > at org.eclipse.paho.client.mqttv3.internal.ExceptionHelper. > createMqttException(ExceptionHelper.java:28) > at org.eclipse.paho.client.mqttv3.internal.ClientState. > notifyReceivedAck(ClientState.java:885) > at org.eclipse.paho.client.mqttv3.internal.CommsReceiver. > run(CommsReceiver.java:118) > at java.lang.Thread.run(Thread.java:745) > > > > > Thanks! > > －－－－－－ > Zhanwen Zhou (Jason), > +86 13922218435 <+86%20139%202221%208435> > zhanwen.z...@smartcloudex.com > Guangzhou Smart Cloudex Technology Co., Ltd. > Business: IOT, API > > > _______________________________________________ > Dev mailing list > Dev@wso2.org > http://wso2.org/cgi-bin/mailman/listinfo/dev > >
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