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https://issues.apache.org/jira/browse/QPID-1469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12650392#action_12650392
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Robert Gemmell commented on QPID-1469:
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Using a broker configured with PLAIN authenticated management security (using
the patches i provided) gives mixed results. It is not able to create or delete
user accounts, or view the user accounts. It is however still able to set user
rights successfully, so it would appear that the
AMQUserManagementMBean.getCurrentJMXUser() method does still work, although
something else isnt when using PLAIN.
Using no security/authentication, upon attempting to set rights the broker
leave only the .tmp and .old jmxremote.access files and thus will fail to lad
on restart, as you reported. I do not see an NPEoutput though, is it being
caught elsewhere?
I see from your log that you were using the RMIConnector when creating the log,
ie without management security enabled. No username/password is transmitted to
the broker when 'logging in' with the security disabled (the MC merely mandates
you type something, it doesnt do anything with it though unless you use
security), so it is perhaps not surprising it should return a null value for
the current jmx user in such a case?
> AMQUserManagementMBean.getCurrentJMXUser no longer returns a valid user
> -----------------------------------------------------------------------
>
> Key: QPID-1469
> URL: https://issues.apache.org/jira/browse/QPID-1469
> Project: Qpid
> Issue Type: Bug
> Components: Java Management : JMX Console
> Affects Versions: M4
> Reporter: Martin Ritchie
> Attachments: QPID-1469-NPE-AMQUMMBean.log
>
>
> Summary:
> Currently when the password and jmxremote.access files are updated the
> current username is written in to the file as an audit trail.
> This used to work fine however we are now seeing a NullPointerException when
> performing any updates such as:
> Set Rights
> Delete User
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