[rabbitmq-discuss] connection timeout error in ConnectionFactory.newConnection (java)

[Cheolseung Baek]

ConnectionFactory.newConnection return connection timeout exception

The following shall be attached to the exception message.

java.io.IOException

           at com.rabbitmq.client.impl.AMQChannel.wrap(AMQChannel.java:106)

           at com.rabbitmq.client.impl.AMQChannel.wrap(AMQChannel.java:102)

           at 
com.rabbitmq.client.impl.AMQConnection.start(AMQConnection.java:360)

           at 
com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:516)

           at 
com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:488)

           ,,,,,,,,,,,,,,

           at java.lang.Thread.run(Thread.java:679)

Caused by: com.rabbitmq.client.ShutdownSignalException: connection error; 
reason: java.net.SocketTimeoutException: Timeout during Connection 
negotiation

           at 
com.rabbitmq.utility.ValueOrException.getValue(ValueOrException.java:67)

           at 
com.rabbitmq.utility.BlockingValueOrException.uninterruptibleGetValue(BlockingValueOrException.java:33)

           at 
com.rabbitmq.client.impl.AMQChannel$BlockingRpcContinuation.getReply(AMQChannel.java:343)

           at 
com.rabbitmq.client.impl.AMQConnection.start(AMQConnection.java:313)

           ... 7 more

Caused by: java.net.SocketTimeoutException: Timeout during Connection 
negotiation

           at 
com.rabbitmq.client.impl.AMQConnection.handleSocketTimeout(AMQConnection.java:566)

           at 
com.rabbitmq.client.impl.AMQConnection.access$500(AMQConnection.java:59)

           at 
com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:541)

java.lang.NullPointerException

           ..........................

           at java.lang.Thread.run(Thread.java:679)


also attach sasl log 

=SUPERVISOR REPORT==== Reason: noproc

What is the reason of the problem


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