如果zookeeper使用zkCli.sh登录的时候老是频闪，没有办法正常使用，大概率是与java的版本不兼容
bash
[zookeeper@PostgreSQL bin]$ ./zkCli.sh
Connecting to localhost:2181
2025-02-05 19:23:53,933 [myid:] - INFO [main:Environment@100] - Client environment:zookeeper.version=3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03, built on 06/29/2018 04:05 GMT
2025-02-05 19:23:53,937 [myid:] - INFO [main:Environment@100] - Client environment:host.name=192.168.202.134
2025-02-05 19:23:53,937 [myid:] - INFO [main:Environment@100] - Client environment:java.version=21.0.5
2025-02-05 19:23:53,937 [myid:] - INFO [main:Environment@100] - Client environment:java.vendor=Oracle Corporation
2025-02-05 19:23:53,937 [myid:] - INFO [main:Environment@100] - Client environment:java.home=/usr/local/jdk-21.0.5
2025-02-05 19:23:53,937 [myid:] - INFO [main:Environment@100] - Client environment:java.class.path=/home/zookeeper/zookeeper-3.4.13/bin/../build/classes:/home/zookeeper/zookeeper-3.4.13/bin/../build/lib/*.jar:/home/zookeeper/zookeeper-3.4.13/bin/../lib/slf4j-log4j12-1.7.25.jar:/home/zookeeper/zookeeper-3.4.13/bin/../lib/slf4j-api-1.7.25.jar:/home/zookeeper/zookeeper-3.4.13/bin/../lib/netty-3.10.6.Final.jar:/home/zookeeper/zookeeper-3.4.13/bin/../lib/log4j-1.2.17.jar:/home/zookeeper/zookeeper-3.4.13/bin/../lib/jline-0.9.94.jar:/home/zookeeper/zookeeper-3.4.13/bin/../lib/audience-annotations-0.5.0.jar:/home/zookeeper/zookeeper-3.4.13/bin/../zookeeper-3.4.13.jar:/home/zookeeper/zookeeper-3.4.13/bin/../src/java/lib/*.jar:/home/zookeeper/zookeeper-3.4.13/bin/../conf:.:/usr/local/jdk1.8.0_431/lib/dt.jar:/usr/local/jdk1.8.0_431/lib/tools.jar
[zookeeper@PostgreSQL bin]$ ./zkCli.sh
Connecting to localhost:2181
2025-02-05 19:30:40,211 [myid:] - INFO [main:Environment@100] - Client environment:zookeeper.version=3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03, built on 06/29/2018 04:05 GMT
2025-02-05 19:30:40,227 [myid:] - INFO [main:Environment@100] - Client environment:host.name=192.168.202.134
2025-02-05 19:30:40,227 [myid:] - INFO [main:Environment@100] - Client environment:java.version=1.8.0_431
2025-02-05 19:30:40,233 [myid:] - INFO [main:Environment@100] - Client environment:java.vendor=Oracle Corporation
2025-02-05 19:30:40,233 [myid:] - INFO [main:Environment@100] - Client environment:java.home=/usr/local/jdk1.8.0_431/jre
2025-02-05 19:30:40,233 [myid:] - INFO [main:Environment@100] - Client environment:java.class.path=/home/zookeeper/zookeeper-3.4.13/bin/../build/classes:/home/zookeeper/zookeeper-3.4.13/bin/../build/lib/*.jar:/home/zookeeper/zookeeper-3.4.13/bin/../lib/slf4j-log4j12-1.7.25.jar:/home/zookeeper/zookeeper-3.4.13/bin/../lib/slf4j-api-1.7.25.jar:/home/zookeeper/zookeeper-3.4.13/bin/../lib/netty-3.10.6.Final.jar:/home/zookeeper/zookeeper-3.4.13/bin/../lib/log4j-1.2.17.jar:/home/zookeeper/zookeeper-3.4.13/bin/../lib/jline-0.9.94.jar:/home/zookeeper/zookeeper-3.4.13/bin/../lib/audience-annotations-0.5.0.jar:/home/zookeeper/zookeeper-3.4.13/bin/../zookeeper-3.4.13.jar:/home/zookeeper/zookeeper-3.4.13/bin/../src/java/lib/*.jar:/home/zookeeper/zookeeper-3.4.13/bin/../conf:.:/usr/local/jdk1.8.0_431/lib/dt.jar:/usr/local/jdk1.8.0_431/lib/tools.jar
2025-02-05 19:30:40,233 [myid:] - INFO [main:Environment@100] - Client environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
2025-02-05 19:30:40,233 [myid:] - INFO [main:Environment@100] - Client environment:java.io.tmpdir=/tmp
2025-02-05 19:30:40,233 [myid:] - INFO [main:Environment@100] - Client environment:java.compiler=<NA>
2025-02-05 19:30:40,233 [myid:] - INFO [main:Environment@100] - Client environment:os.name=Linux
2025-02-05 19:30:40,233 [myid:] - INFO [main:Environment@100] - Client environment:os.arch=amd64
2025-02-05 19:30:40,233 [myid:] - INFO [main:Environment@100] - Client environment:os.version=4.19.90-52.15.v2207.ky10.x86_64
2025-02-05 19:30:40,233 [myid:] - INFO [main:Environment@100] - Client environment:user.name=zookeeper
2025-02-05 19:30:40,233 [myid:] - INFO [main:Environment@100] - Client environment:user.home=/home/zookeeper
2025-02-05 19:30:40,234 [myid:] - INFO [main:Environment@100] - Client environment:user.dir=/home/zookeeper/zookeeper-3.4.13/bin
2025-02-05 19:30:40,236 [myid:] - INFO [main:ZooKeeper@442] - Initiating client connection, connectString=localhost:2181 sessionTimeout=30000 watcher=org.apache.zookeeper.ZooKeeperMain$MyWatcher@58651fd0
Welcome to ZooKeeper!
2025-02-05 19:30:40,285 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1029] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
JLine support is enabled
2025-02-05 19:30:40,305 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@879] - Socket connection established to localhost/127.0.0.1:2181, initiating session
2025-02-05 19:30:40,337 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1303] - Session establishment complete on server localhost/127.0.0.1:2181, sessionid = 0x200002602f10000, negotiated timeout = 30000
WATCHER::
WatchedEvent state:SyncConnected type:None path:null
[zk: localhost:2181(CONNECTED) 0]