[jira] [Reopened] (AMQ-5883) AMQ accepts MQTT SUBSCRIBE and UNSUBSCRIBE with no topic filters

["Christoph Krey (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMQ-5883?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Christoph Krey reopened AMQ-5883:
---------------------------------

I cannot verify this to be fixed in either apollo 1.7.1 nor in activemq 5.15.0

-> activemq `a2020002`
<- activemq `b0020002

> AMQ accepts MQTT SUBSCRIBE and UNSUBSCRIBE with no topic filters
> ----------------------------------------------------------------
>
>                 Key: AMQ-5883
>                 URL: https://issues.apache.org/jira/browse/AMQ-5883
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.11.1
>         Environment: OSX 10.10
> https://github.com/ckrey/MQTT-Client-Framework testcases
>            Reporter: Christoph Krey
>            Priority: Minor
>             Fix For: 5.14.0
>
>
> MQTT spec says:
> [MQTT-3.8.3-3]
> The payload of a SUBSCRIBE packet MUST contain at least one Topic Filter / QoS pair. A SUBSCRIBE packet with no payload is a protocol violation.
> [MQTT-3.10.3-2]
> The Payload of an UNSUBSCRIBE packet MUST contain at least one Topic Filter. An UNSUBSCRIBE packet with no payload is a protocol violation.



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