Node Status Abnormalities Caused by Port Faults
Symptom
The ZooKeeper port is faulty, and thus the incoming data of the ZooKeeper leader node is discarded. As a result, the ZooKeeper heartbeat is abnormal, and the status of all ZooKeeper nodes is abnormal.
Cause Analysis
This fault is a native ZooKeeper fault.
Solution
If the ZooKeeper cluster is invalid, manually rectify the port fault and then restart ZooKeeper.
Parent topic: ZooKeeper Faults