zookeeper 隔一段时间就会出现这个超时是怎么回事？重启过后几天又超时了

[一头牛和你的故事]

2020-10-16 15:17:41.731 [main-EventThread] ERROR com.netflix.curator.ConnectionState - Connection timed out for connection string (127.0.0.1:8241) and timeout (5000) / elapsed (1399410944)
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss
at com.netflix.curator.ConnectionState.getZooKeeper(ConnectionState.java:101) ~[curator-client-1.3.2.jar:na]
at com.netflix.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:107) [curator-client-1.3.2.jar:na]
at com.netflix.curator.framework.imps.CuratorFrameworkImpl.getZooKeeper(CuratorFrameworkImpl.java:445) [curator-framework-1.3.2.jar:na]
at com.netflix.curator.framework.imps.GetChildrenBuilderImpl$3.call(GetChildrenBuilderImpl.java:213) [curator-framework-1.3.2.jar:na]
at com.netflix.curator.framework.imps.GetChildrenBuilderImpl$3.call(GetChildrenBuilderImpl.java:202) [curator-framework-1.3.2.jar:na]
at com.netflix.curator.RetryLoop.callWithRetry(RetryLoop.java:106) [curator-client-1.3.2.jar:na]
at com.netflix.curator.framework.imps.GetChildrenBuilderImpl.pathInForeground(GetChildrenBuilderImpl.java:198) [curator-framework-1.3.2.jar:na]
at com.netflix.curator.framework.imps.GetChildrenBuilderImpl.forPath(GetChildrenBuilderImpl.java:190) [curator-framework-1.3.2.jar:na]
at com.netflix.curator.framework.imps.GetChildrenBuilderImpl.forPath(GetChildrenBuilderImpl.java:37) [curator-framework-1.3.2.jar:na]
at com.alibaba.dubbo.remoting.zookeeper.curator.CuratorZookeeperClient$CuratorWatcherImpl.process(CuratorZookeeperClient.java:115) [dubbo-2.5.3.jar:2.5.3]
at com.netflix.curator.framework.imps.NamespaceWatcher.process(NamespaceWatcher.java:56) [curator-framework-1.3.2.jar:na]
at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519) [zookeeper-3.4.5.jar:3.4.5-1392090]
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495) [zookeeper-3.4.5.jar:3.4.5-1392090]