public class Send {
private final static String QUEUE_NAME = "hello";
public static void main(String[] argv) throws Exception {
ConnectionFactory factory = new ConnectionFactory();
factory.setUri("amqp://admin:admin@127.0.0.1:5672");
factory.setVirtualHost("/va");
try (Connection connection = factory.newConnection();
Channel channel = connection.createChannel()) {
channel.queueDeclare(QUEUE_NAME, false, false, false, null);
String message = "Hello World!";
channel.basicPublish("", QUEUE_NAME, null, message.getBytes(StandardCharsets.UTF_8));
}
}
}
上面代码没有问题,但是
下面代码为什么报错呢?
public class Send {
private final static String QUEUE_NAME = "hello";
public static void main(String[] argv) throws Exception {
ConnectionFactory factory = new ConnectionFactory();
factory.setUri("amqp://admin:admin@127.0.0.1:5672/va");
try (Connection connection = factory.newConnection();
Channel channel = connection.createChannel()) {
channel.queueDeclare(QUEUE_NAME, false, false, false, null);
String message = "Hello World!";
channel.basicPublish("", QUEUE_NAME, null, message.getBytes(StandardCharsets.UTF_8));
}
}
}
异常为:
Exception in thread "main" java.io.IOException
at com.rabbitmq.client.impl.AMQChannel.wrap(AMQChannel.java:129)
at com.rabbitmq.client.impl.AMQChannel.wrap(AMQChannel.java:125)
at com.rabbitmq.client.impl.AMQChannel.exnWrappingRpc(AMQChannel.java:147)
at com.rabbitmq.client.impl.AMQConnection.start(AMQConnection.java:403)
at com.rabbitmq.client.impl.recovery.RecoveryAwareAMQConnectionFactory.newConnection(RecoveryAwareAMQConnectionFactory.java:64)
at com.rabbitmq.client.impl.recovery.AutorecoveringConnection.init(AutorecoveringConnection.java:156)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1106)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1063)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1021)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1182)
at com.hecatolite.producer.Send.main(Send.java:15)
Caused by: com.rabbitmq.client.ShutdownSignalException: connection error; protocol method: #method<connection.close>(reply-code=530, reply-text=NOT_ALLOWED - vhost va not found, class-id=10, method-id=40)
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:502)
at com.rabbitmq.client.impl.AMQChannel.privateRpc(AMQChannel.java:293)
at com.rabbitmq.client.impl.AMQChannel.exnWrappingRpc(AMQChannel.java:141)
... 8 more