[jira] [Created] (AMQ-5608) connecting with username and SimpleAuthenticationPlugin defined without any users leads to NPE

["Robbie Gemmell (JIRA)" <ji...@apache.org>]

Robbie Gemmell created AMQ-5608:
-----------------------------------

             Summary: connecting with username and SimpleAuthenticationPlugin defined without any users leads to NPE
                 Key: AMQ-5608
                 URL: https://issues.apache.org/jira/browse/AMQ-5608
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.11.1
            Reporter: Robbie Gemmell
             Fix For: 5.12.0


If a SimpleAuthenticationPlugin is defined in the configuration without any users element, then when a client which does supply a username attempts to connect an NPE occurs in the broker.

E.g, defining broker config as:
{noformat}
<simpleAuthenticationPlugin anonymousAccessAllowed="true" />
{noformat}

And trying to log in, results in:
{noformat}
java.lang.NullPointerException
        at org.apache.activemq.security.SimpleAuthenticationBroker.addConnection(SimpleAuthenticationBroker.java:83)
...
<snip>
{noformat}



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