Principal name appears twice (sperated by semicolon) in management logs on JMX
connection closing/opening events.
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Key: QPID-3474
URL: https://issues.apache.org/jira/browse/QPID-3474
Project: Qpid
Issue Type: Bug
Components: Java Broker
Affects Versions: 0.12
Reporter: Alex Rudyy
Assignee: Robbie Gemmell
Priority: Minor
The examples of log entries with principal name displayed twice and separated
by semicolon are displayed below:
{noformat}
2011-09-07 12:42:41,051 INFO [RMI TCP Connection(3)-169.24.39.206]
(Log4jMessageLogger.java:72) - [mng:N/A(169.24.39.206)] MNG-1007 : Open : User
guest;guest
2011-09-07 12:42:44,446 INFO [RMI TCP Connection(3)-169.24.39.206]
(Log4jMessageLogger.java:72) - [mng:N/A(169.24.39.206)] MNG-1008 : Close : User
guest;guest
{noformat}
This problem can be simply reproduced by connecting to broker with Management
console and looking into log files.
This issue occurs due to following reason:
On logging of JMX connection Open/Close events a principal name is taken from
JMX connection id.
In current RMI server implementation the connection id has the following format
{noformat}
rmi://<hostname>:<port> <principal 1>;<principal 2>...<principal n> <index>
{noformat}
It has the list of principals taken from the subject at the moment of opening
the connection.
In current implementation of RMIPasswordAuthenticator on successful
authentication an instance of JMXPrincipal is added to subject in addition to
existing UsernamePrincipal which is added before in
AuthenticationManager#authenticate.
As result of this, Subject contains two entries with the same principal name.
On creating a connection Id RMIServerImpl iterates through all principals in
subject and adds them separated by ';' to connection id string.
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