[rabbitmq-discuss] Cannot connect to rabbitmq from all computers - including wireshark logs.

[mysurf mail]

I can't connect from all the computers in my production environment.
Some computers connect, and some do not.
(In a previous version of rabbit (1.7.0.), they all connected.)

on the non-connecting computers when I call factory.newConnection I wait for
a few seconds and then receive the following exception

Caused by: com.rabbitmq.client.PossibleAuthenticationFailureException:
Possibly caused by authentication failure
	at com.rabbitmq.client.impl.AMQConnection.start(AMQConnection.java:289)
	at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:383)
	at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:403)
	at com.programa17.mmm.modules.stopwatch.util.BasicChannel.<init>(BasicChannel.java:37)
	... 28 more
Caused by: com.rabbitmq.client.AlreadyClosedException: clean
connection shutdown; reason: Attempt to use closed channel
	at com.rabbitmq.client.impl.AMQChannel.ensureIsOpen(AMQChannel.java:181)
	at com.rabbitmq.client.impl.AMQChannel.rpc(AMQChannel.java:208)
	at com.rabbitmq.client.impl.AMQChannel.rpc(AMQChannel.java:194)
	at com.rabbitmq.client.impl.AMQConnection.start(AMQConnection.java:281)
	... 31 more

in the wire shark a complete transaction look like this  (I  get the
purple only in the successful transaction )

AMQP............

.......copyrightS...$Copyright (C) 2007-2011 VMware,
Inc..informationS...5Licensed under the MPL.  See
http://www.rabbitmq.com/.platformS...

Erlang/OTP.productS....RabbitMQ.versionS....2.3.1....PLAIN AMQPLAIN....en_US.

........

.......productS....RabbitMQ.platformS....Java.informationS...4Licensed
under the MPL. See http://www.rabbitmq.com/.copyrightS...$Copyright
(C) 2007-2011 VMware,
Inc..versionS....2.3.1.PLAIN.....guest.guest.en_US.

...............................................(./............)....................................
.(...

toClientsEran.direct..............(...........2.

...toClientsEran.5......

........2...toClientsEran.5.........

......9.2.....toClientsEran.5

toClientsEran.toClientsEran.5......

........2...

........<.....toClientsEran.5.......

......&.<..!amq.ctag-AKZfeyr+9JOkczDfrq49pw==.

......M.<.<!amq.ctag-AKZfeyr+9JOkczDfrq49pw==.........

toClientsEran.toClientsEran.5.........<....................{"type":"com.programa17.mmm.modules.stopwatch.util.RabbitMQTest$Start","content":"{\"time\":3449321709892756,\"destinationId\":\"toClientsEran.5\"}"}.

........<.(...toManager.rtk..

........<.............

.......{"type":"com.programa17.mmm.modules.stopwatch.util.RabbitMQTest$Report","content":"{\"time\":999114088,\"destinationId\":\"toClientsEran.5\"}"}.

......

.<.P..........


Thanks
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