首页java.lang.illegalstateexception: failed to req api:/nacos/v1/ns/instance after all servers([localhost:8848]) tried: failed to req api:localhost:8848/nacos/v1/ns/instance. code:500 msg: java.net.connectexception: connection refused: connect

java.lang.illegalstateexception: failed to req api:/nacos/v1/ns/instance after all servers([localhost:8848]) tried: failed to req api:localhost:8848/nacos/v1/ns/instance. code:500 msg: java.net.connectexception: connection refused: connect

时间: 2023-04-27 20:04:21 浏览: 1857

ListView后台更新报错：java.lang.IllegalStateException

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java.lang.IllegalStateException: The content of the adapter has changed but ListView did not receive a notification. Make sure the content of your adapter is not modified from a background thread, but only from the UI thread. [in ListView(2131230720, class android.widget.ListView) with Adapter(class com.example.listviewdemo.UserListAdapter)]

这是一个Java异常，意思是在尝试请求Nacos服务注册中心的实例时出现了错误。所有可用的服务器（这里只有一个本地服务器）都尝试过了，但是仍然无法连接。具体错误信息是连接被拒绝，可能是因为服务器没有启动或者端口被占用等原因导致的。

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