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From "Christian Tytgat (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-5397) Using authorization plugin with MQTT causes ClassCastException on client reconnect.
Date Thu, 16 Oct 2014 09:43:33 GMT
Christian Tytgat created AMQ-5397:
-------------------------------------

             Summary: Using authorization plugin with MQTT causes ClassCastException on client
reconnect. 
                 Key: AMQ-5397
                 URL: https://issues.apache.org/jira/browse/AMQ-5397
             Project: ActiveMQ
          Issue Type: Bug
          Components: Connector, MQTT
    Affects Versions: 5.10.0
            Reporter: Christian Tytgat


We have the following setup:

MQTT client (reproducible with at least mosquitto and fusesource) with cleanSession = false
and QOS = 1  (important!)

AMQ with authentication/authorization plugin

{noformat}
        <plugins>
          <statisticsBrokerPlugin/>

          <simpleAuthenticationPlugin>
            <users>
              <authenticationUser username="${activemq.username}" password="${activemq.password}"
groups="admins,everyone"/>
              <authenticationUser username="mcollective" password="secret" groups="mcollective,admins,everyone"/>
            </users>
          </simpleAuthenticationPlugin>
          <authorizationPlugin>
            <map>
              <authorizationMap>
                <authorizationEntries>
                  <authorizationEntry queue=">" write="admins" read="admins" admin="admins"
/>
                  <authorizationEntry topic=">" write="admins" read="admins" admin="admins"
/>
                  <authorizationEntry topic="mcollective.>" write="mcollective" read="mcollective"
admin="mcollective" />
                  <authorizationEntry queue="mcollective.>" write="mcollective" read="mcollective"
admin="mcollective" />
                  <authorizationEntry topic="ActiveMQ.Advisory.>" read="everyone" write="everyone"
admin="everyone"/>
                </authorizationEntries>
              </authorizationMap>
            </map>
          </authorizationPlugin>
        </plugins>
{noformat}

No problem to connect for the first time, but when reconnecting with the same client ID, the
connection fails each time:

{noformat}
2014-10-16 11:20:41,120 [MQ NIO Worker 3] WARN  Transport  - Transport Connection to: tcp://10.0.2.2:49479
failed: org.apache.activemq.transport.mqtt.MQTTProtocolException: Error recovering retained
messages for m2mbox.macbookx.schedule: org.apache.activemq.security.AuthorizationDestinationFilter
cannot be cast to org.apache.activemq.broker.region.Topic
{noformat}



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