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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:)
at com.rabbitmq.client.impl.AMQChannel.wrap(AMQChannel.java:)
at com.rabbitmq.client.impl.AMQChannel.exnWrappingRpc(AMQChannel.java:)
at com.rabbitmq.client.impl.ChannelN.exchangeDeclare(ChannelN.java:)
at com.rabbitmq.client.impl.recovery.AutorecoveringChannel.exchangeDeclare(AutorecoveringChannel.java:)
at com.rabbitmq.client.impl.recovery.AutorecoveringChannel.exchangeDeclare(AutorecoveringChannel.java:)
at com.rabbitmq.client.impl.recovery.AutorecoveringChannel.exchangeDeclare(AutorecoveringChannel.java:)
at cn.edu.aynu.rabbitmq.topic.send.main(send.java:)
Caused by: com.rabbitmq.client.ShutdownSignalException: channel error; protocol method: #method<channel.close>(reply-code=, reply-text=PRECONDITION_FAILED - inequivalent arg 'type' for exchange 'test_exchange_topic' in vhost '/user_admin': received 'topic' but current is 'direct', class-id=, method-id=)
at com.rabbitmq.utility.ValueOrException.getValue(ValueOrException.java:)
at com.rabbitmq.utility.BlockingValueOrException.uninterruptibleGetValue(BlockingValueOrException.java:)
at com.rabbitmq.client.impl.AMQChannel$BlockingRpcContinuation.getReply(AMQChannel.java:)
at com.rabbitmq.client.impl.AMQChannel.privateRpc(AMQChannel.java:)
at com.rabbitmq.client.impl.AMQChannel.exnWrappingRpc(AMQChannel.java:)
... more
Caused by: com.rabbitmq.client.ShutdownSignalException: channel error; protocol method: #method<channel.close>(reply-code=, reply-text=PRECONDITION_FAILED - inequivalent arg 'type' for exchange 'test_exchange_topic' in vhost '/user_admin': received 'topic' but current is 'direct', class-id=, method-id=)
at com.rabbitmq.client.impl.ChannelN.asyncShutdown(ChannelN.java:)
at com.rabbitmq.client.impl.ChannelN.processAsync(ChannelN.java:)
at com.rabbitmq.client.impl.AMQChannel.handleCompleteInboundCommand(AMQChannel.java:)
at com.rabbitmq.client.impl.AMQChannel.handleFrame(AMQChannel.java:)
at com.rabbitmq.client.impl.AMQConnection.readFrame(AMQConnection.java:)
at com.rabbitmq.client.impl.AMQConnection.access$(AMQConnection.java:)
at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:)
at java.lang.Thread.run(Thread.java:)
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