无法连接canal服务端

使用下面方法创建canal连接

CanalConnector canalConnector = CanalConnectors.newSingleConnector(new InetSocketAddress(canalHost,Integer.parseInt(canalPort)),canalDestination,"",""); canalConnector.connect();

但是调用connect()方法时报错。报错如下：

Caused by: com.alibaba.otter.canal.protocol.exception.CanalClientException: java.net.ConnectException: Connection timed out: connect at com.alibaba.otter.canal.client.impl.SimpleCanalConnector.doConnect(SimpleCanalConnector.java:178) at com.alibaba.otter.canal.client.impl.SimpleCanalConnector.connect(SimpleCanalConnector.java:102)

请问是什么原因呢？之前一直还好好的。从今天开始突然报这个错了。使用的canal版本为canal.deployer-1.0.25

原提问者GitHub用户jnliao