connectException:connection refused

ConnectException: Connection refused是一个常见的网络连接异常。它表示无法建立与目标主机的连接。具体而言，当客户端尝试连接到服务器的时候，如果服务器没有响应或者服务器拒绝连接，就会发生这个异常。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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