title: Change default admin password on WSO2 DAS
body: <p>After installing WSO2 Data Analytics Server and changing the default admin password i am getting the following ERROR</p>
  
  <pre><code>    ERROR {org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker}
  -  Error while trying to connect to the endpoint. Cannot borrow client for ssl://localhost:7711 {org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker}
      org.wso2.carbon.databridge.agent.exception.DataEndpointAuthenticationException: Cannot borrow client for ssl://localhost:7711
  </code></pre>
  
  <p>Does anybody knows why this is happening. What conf file i have to change and how?</p>
  
  <pre><code>stack trace:
  
      TID: [-1234] [] [2016-08-01 09:06:19,010] ERROR {org.wso2.carbon.databridge.core.internal.authentication.Authenticator}
  -  wrong userName or password {org.wso2.carbon.databridge.core.internal.authentication.Authenticator}
      TID: [-1] [] [2016-08-01 09:06:19,013] ERROR {org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker}
  -  Thrift Authentication Exception {org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker}
      org.wso2.carbon.databridge.agent.exception.DataEndpointAuthenticationException: Thrift Authentication Exception
          at org.wso2.carbon.databridge.agent.endpoint.thrift.ThriftDataEndpoint.login(ThriftDataEndpoint.java:48)
          at org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker.connect(DataEndpointConnectionWorker.java:94)
          at org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker.run(DataEndpointConnectionWorker.java:43)
          at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
          at java.util.concurrent.FutureTask.run(FutureTask.java:266)
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
          at java.lang.Thread.run(Thread.java:745)
      Caused by: ThriftAuthenticationException(message:wrong userName or password)
          at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$connect_result.read(ThriftSecureEventTransmissionService.java:1394)
          at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
          at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$Client.recv_connect(ThriftSecureEventTransmissionService.java:88)
          at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$Client.connect(ThriftSecureEventTransmissionService.java:74)
          at org.wso2.carbon.databridge.agent.endpoint.thrift.ThriftDataEndpoint.login(ThriftDataEndpoint.java:46)
          ... 7 more
      TID: [-1] [] [2016-08-01 09:06:19,015] ERROR {org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker}
  -  Error while trying to connect to the endpoint. Cannot borrow client for ssl://localhost:7711 {org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker}
      org.wso2.carbon.databridge.agent.exception.DataEndpointAuthenticationException: Cannot borrow client for ssl://localhost:7711
          at org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker.connect(DataEndpointConnectionWorker.java:100)
          at org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker.run(DataEndpointConnectionWorker.java:43)
          at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
          at java.util.concurrent.FutureTask.run(FutureTask.java:266)
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
          at java.lang.Thread.run(Thread.java:745)
      Caused by: org.wso2.carbon.databridge.agent.exception.DataEndpointAuthenticationException: Thrift Authentication Exception
          at org.wso2.carbon.databridge.agent.endpoint.thrift.ThriftDataEndpoint.login(ThriftDataEndpoint.java:48)
          at org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker.connect(DataEndpointConnectionWorker.java:94)
          ... 6 more
      Caused by: ThriftAuthenticationException(message:wrong userName or password)
          at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$connect_result.read(ThriftSecureEventTransmissionService.java:1394)
          at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
          at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$Client.recv_connect(ThriftSecureEventTransmissionService.java:88)
          at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$Client.connect(ThriftSecureEventTransmissionService.java:74)
          at org.wso2.carbon.databridge.agent.endpoint.thrift.ThriftDataEndpoint.login(ThriftDataEndpoint.java:46)
          ... 7 more
      TID: [-1234] [] [2016-08-01 09:06:29,070]  INFO {org.wso2.carbon.core.services.util.CarbonAuthenticationUtil} -  'admin@carbon.super [-1234]' logged in at [2016-08-01 09:06:29,070+0300] {org.wso2.carbon.core.services.util.CarbonAuthenticationUtil}
      TID: [-1] [] [2016-08-01 09:06:48,893]  INFO {org.wso2.carbon.databridge.agent.endpoint.DataEndpointGroup} -  No receiver is reachable at reconnection, will try to reconnect every 30 sec {org.wso2.carbon.databridge.agent.endpoint.DataEndpointGroup}
      TID: [-1] [] [2016-08-01 09:06:48,927]  INFO {org.wso2.carbon.databridge.core.DataBridge} -  user admin connected {org.wso2.carbon.databridge.core.DataBridge}
      TID: [-1234] [] [2016-08-01 09:06:48,932] ERROR {org.wso2.carbon.databridge.core.internal.authentication.Authenticator}
  -  wrong userName or password {org.wso2.carbon.databridge.core.internal.authentication.Authenticator}
      TID: [-1] [] [2016-08-01 09:06:48,933] ERROR {org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker}
  -  Thrift Authentication Exception {org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker}
      org.wso2.carbon.databridge.agent.exception.DataEndpointAuthenticationException: Thrift Authentication Exception
          at org.wso2.carbon.databridge.agent.endpoint.thrift.ThriftDataEndpoint.login(ThriftDataEndpoint.java:48)
          at org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker.connect(DataEndpointConnectionWorker.java:94)
          at org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker.run(DataEndpointConnectionWorker.java:43)
          at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
          at java.util.concurrent.FutureTask.run(FutureTask.java:266)
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
          at java.lang.Thread.run(Thread.java:745)
      Caused by: ThriftAuthenticationException(message:wrong userName or password)
          at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$connect_result.read(ThriftSecureEventTransmissionService.java:1394)
          at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
          at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$Client.recv_connect(ThriftSecureEventTransmissionService.java:88)
          at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$Client.connect(ThriftSecureEventTransmissionService.java:74)
          at org.wso2.carbon.databridge.agent.endpoint.thrift.ThriftDataEndpoint.login(ThriftDataEndpoint.java:46)
          ... 7 more
      TID: [-1] [] [2016-08-01 09:06:48,935] ERROR {org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker}
  -  Error while trying to connect to the endpoint. Cannot borrow client for ssl://localhost:7711 {org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker}
      org.wso2.carbon.databridge.agent.exception.DataEndpointAuthenticationException: Cannot borrow client for ssl://localhost:7711
          at org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker.connect(DataEndpointConnectionWorker.java:100)
          at org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker.run(DataEndpointConnectionWorker.java:43)
          at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
          at java.util.concurrent.FutureTask.run(FutureTask.java:266)
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
          at java.lang.Thread.run(Thread.java:745)
      Caused by: org.wso2.carbon.databridge.agent.exception.DataEndpointAuthenticationException: Thrift Authentication Exception
          at org.wso2.carbon.databridge.agent.endpoint.thrift.ThriftDataEndpoint.login(ThriftDataEndpoint.java:48)
          at org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker.connect(DataEndpointConnectionWorker.java:94)
          ... 6 more
      Caused by: ThriftAuthenticationException(message:wrong userName or password)
          at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$connect_result.read(ThriftSecureEventTransmissionService.java:1394)
          at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
          at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$Client.recv_connect(ThriftSecureEventTransmissionService.java:88)
          at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$Client.connect(ThriftSecureEventTransmissionService.java:74)
          at org.wso2.carbon.databridge.agent.endpoint.thrift.ThriftDataEndpoint.login(ThriftDataEndpoint.java:46)
          ... 7 more
  </code></pre>