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Solutions on the web RpcClient is closed	at com.rabbitmq.client.RpcClient.checkConsumer(	at com.rabbitmq.client.RpcClient.primitiveCall(	at com.rabbitmq.client.RpcClient.primitiveCall(	at test.rpclient.MQ.echo(	at test.rpclient.Main.main(	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(	at sun.reflect.DelegatingMethodAccessorImpl.invoke(	at java.lang.reflect.Method.invoke(	at com.intellij.rt.execution.application.AppMain.main(