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java.lang.NullPointerException: null at com.rabbitmq.client.impl.ChannelN.validateQueueNameLength(ChannelN.java:1232)[amqp-client-3.5.5.jar:na] at com.rabbitmq.client.impl.ChannelN.queueDeclarePassive(ChannelN.java:884)[amqp-client-3.5.5.jar:na] at com.rabbitmq.client.impl.ChannelN.queueDeclarePassive(ChannelN.java:61)[amqp-client-3.5.5.jar:na] at sun.reflect.GeneratedMethodAccessor334.invoke(Unknown Source)[na:na] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[na:1.8.0_51] at java.lang.reflect.Method.invoke(Method.java:497)[na:1.8.0_51] at org.springframework.amqp.rabbit.connection.CachingConnectionFactory$CachedChannelInvocationHandler.invoke(CachingConnectionFactory.java:666)[spring-rabbit-1.4.6.RELEASE.jar:na] at com.sun.proxy.$Proxy181.queueDeclarePassive(Unknown Source)[na:na] at org.springframework.amqp.rabbit.listener.BlockingQueueConsumer.attemptPassiveDeclarations(BlockingQueueConsumer.java:533)[spring-rabbit-1.4.6.RELEASE.jar:na] at org.springframework.amqp.rabbit.listener.BlockingQueueConsumer.start(BlockingQueueConsumer.java:453)[spring-rabbit-1.4.6.RELEASE.jar:na] at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:1083)[spring-rabbit-1.4.6.RELEASE.jar:na] at java.lang.Thread.run(Thread.java:745)[na:1.8.0_51]