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cn.edu.aynu.rabbitmq.topic.send Exception in thread "main" java.io.IOException at com.rabbitmq.client.impl.AMQChannel.wrap(AMQChannel.java:126) at com.rabbitmq.client.impl.AMQChannel.wrap(AMQChannel.java:122) at com.rabbitmq.client.impl.AMQChannel.exnWrappingRpc(AMQChannel.java:144) at com.rabbitmq.client.impl.ChannelN.exchangeDeclare(ChannelN.java:777) at com.rabbitmq.client.impl.recovery.AutorecoveringChannel.exchangeDeclare(AutorecoveringChannel.java:237) at com.rabbitmq.client.impl.recovery.AutorecoveringChannel.exchangeDeclare(AutorecoveringChannel.java:227) at com.rabbitmq.client.impl.recovery.AutorecoveringChannel.exchangeDeclare(AutorecoveringChannel.java:207) at cn.edu.aynu.rabbitmq.topic.send.main(send.java:24) Caused by: com.rabbitmq.client.ShutdownSignalException: channel error; protocol method: #method<channel.close>(reply-code=406, reply-text=PRECONDITION_FAILED - inequivalent arg 'type' for exchange 'test_exchange_topic' in vhost '/user_admin': received 'topic' but current is 'direct', class-id=40, method-id=10) at com.rabbitmq.utility.ValueOrException.getValue(ValueOrException.java:66) at com.rabbitmq.utility.BlockingValueOrException.uninterruptibleGetValue(BlockingValueOrException.java:36) at com.rabbitmq.client.impl.AMQChannel$BlockingRpcContinuation.getReply(AMQChannel.java:494) at com.rabbitmq.client.impl.AMQChannel.privateRpc(AMQChannel.java:288) at com.rabbitmq.client.impl.AMQChannel.exnWrappingRpc(AMQChannel.java:138) ... 5 more Caused by: com.rabbitmq.client.ShutdownSignalException: channel error; protocol method: #method<channel.close>(reply-code=406, reply-text=PRECONDITION_FAILED - inequivalent arg 'type' for exchange 'test_exchange_topic' in vhost '/user_admin': received 'topic' but current is 'direct', class-id=40, method-id=10) at com.rabbitmq.client.impl.ChannelN.asyncShutdown(ChannelN.java:516) at com.rabbitmq.client.impl.ChannelN.processAsync(ChannelN.java:346) at com.rabbitmq.client.impl.AMQChannel.handleCompleteInboundCommand(AMQChannel.java:178) at com.rabbitmq.client.impl.AMQChannel.handleFrame(AMQChannel.java:111) at com.rabbitmq.client.impl.AMQConnection.readFrame(AMQConnection.java:670) at com.rabbitmq.client.impl.AMQConnection.access$300(AMQConnection.java:48) at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:597) at java.lang.Thread.run(Thread.java:748)
解决:产生该错误的原因在于创建交换机的时候和Rabbitmq中已存在的交换机同名但是类似不一致,需要换name的值