2023-04-23 105552383 WARN Close of session 0x0 orgapachezookeeperserverNIOServerCnxnjavaioIOException Unreasonable length = 308375649 at orgapachejuteBinaryInputArchivecheckLengthBinaryInputArchivejav

This is a warning message generated by Apache ZooKeeper, an open-source distributed coordination service. It indicates that there was an issue processing a "ConnectRequest" message from a client attempting to connect to the ZooKeeper server. Specifically, the length of the message payload was deemed "unreasonable" by the BinaryInputArchive class, which is responsible for deserializing incoming messages. The message payload may have been truncated or corrupted in transit, or it may have been intentionally crafted to exploit a vulnerability in the server. It is recommended to investigate the root cause of this error and take appropriate remediation steps to ensure the stability and security of the ZooKeeper cluster