java连接不上安装在vmware上的linux上的zk

java连接不上安装在vmware上的linux上的zk

代码如下：

package com.imooc;

import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.ZooKeeper;

import java.io.IOException;

/**
 * 描述：连接到ZK服务端，打印连接状态
 */
public class ZKConnect implements Watcher {
public static final String SERVER_PATH="192.168.136.137:2181";
public static final Integer TIMOUT = 5000;//毫秒

    public static void main(String[] args) throws IOException, InterruptedException {
/**
         * 客户端和服务端他们是异步连接，连接成功之后客户端会受到watcher通知。
         * connecString:服务器的IP+端口，比如127.0.0.1:2181
         * sessionTimeout：超时时间
         * watcher：通知事件
         */
        ZooKeeper zk = new ZooKeeper(SERVER_PATH,TIMOUT,new ZKConnect());
System.out.println("客户端开始连接ZK服务器了");
System.out.println(zk.getState());
Thread.sleep(2000);
System.out.println(zk.getState());
    }


@Override
    public void process(WatchedEvent event) {
System.out.println("收到了通知"+event);
    }
}

各种尝试，连接不上zookeeper：
​
​"C:\Program Files\Java\jdk1.8.0_162\bin\java.exe" "-javaagent:E:\IDEA\IntelliJ IDEA Community Edition 2021.1.3\lib\idea_rt.jar=49383:E:\IDEA\IntelliJ IDEA Community Edition 2021.1.3\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_162\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\rt.jar;E:\com.imooc\zk-prace\target\classes;C:\Users\lenovo\.m2\repository\org\apache\zookeeper\zookeeper\3.6.0\zookeeper-3.6.0.jar;C:\Users\lenovo\.m2\repository\commons-lang\commons-lang\2.6\commons-lang-2.6.jar;C:\Users\lenovo\.m2\repository\org\apache\zookeeper\zookeeper-jute\3.6.0\zookeeper-jute-3.6.0.jar;C:\Users\lenovo\.m2\repository\org\apache\yetus\audience-annotations\0.5.0\audience-annotations-0.5.0.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-handler\4.1.45.Final\netty-handler-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-common\4.1.45.Final\netty-common-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-buffer\4.1.45.Final\netty-buffer-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-transport\4.1.45.Final\netty-transport-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-resolver\4.1.45.Final\netty-resolver-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-codec\4.1.45.Final\netty-codec-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-transport-native-epoll\4.1.45.Final\netty-transport-native-epoll-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-transport-native-unix-common\4.1.45.Final\netty-transport-native-unix-common-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\org\slf4j\slf4j-api\1.7.25\slf4j-api-1.7.25.jar;C:\Users\lenovo\.m2\repository\org\slf4j\slf4j-log4j12\1.7.25\slf4j-log4j12-1.7.25.jar;C:\Users\lenovo\.m2\repository\log4j\log4j\1.2.17\log4j-1.2.17.jar" com.imooc.ZKConnect
10:29:28 INFO zookeeper.ZooKeeper: Client environment:zookeeper.version=3.6.0--b4c89dc7f6083829e18fae6e446907ae0b1f22d7, built on 02/25/2020 14:38 GMT
10:29:28 INFO zookeeper.ZooKeeper: Client environment:host.name=DESKTOP-772UAQU
10:29:28 INFO zookeeper.ZooKeeper: Client environment:java.version=1.8.0_162
10:29:28 INFO zookeeper.ZooKeeper: Client environment:java.vendor=Oracle Corporation
10:29:28 INFO zookeeper.ZooKeeper: Client environment:java.home=C:\Program Files\Java\jdk1.8.0_162\jre
10:29:28 INFO zookeeper.ZooKeeper: Client environment:java.class.path=C:\Program Files\Java\jdk1.8.0_162\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\rt.jar;E:\com.imooc\zk-prace\target\classes;C:\Users\lenovo\.m2\repository\org\apache\zookeeper\zookeeper\3.6.0\zookeeper-3.6.0.jar;C:\Users\lenovo\.m2\repository\commons-lang\commons-lang\2.6\commons-lang-2.6.jar;C:\Users\lenovo\.m2\repository\org\apache\zookeeper\zookeeper-jute\3.6.0\zookeeper-jute-3.6.0.jar;C:\Users\lenovo\.m2\repository\org\apache\yetus\audience-annotations\0.5.0\audience-annotations-0.5.0.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-handler\4.1.45.Final\netty-handler-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-common\4.1.45.Final\netty-common-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-buffer\4.1.45.Final\netty-buffer-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-transport\4.1.45.Final\netty-transport-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-resolver\4.1.45.Final\netty-resolver-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-codec\4.1.45.Final\netty-codec-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-transport-native-epoll\4.1.45.Final\netty-transport-native-epoll-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\io\netty\netty-transport-native-unix-common\4.1.45.Final\netty-transport-native-unix-common-4.1.45.Final.jar;C:\Users\lenovo\.m2\repository\org\slf4j\slf4j-api\1.7.25\slf4j-api-1.7.25.jar;C:\Users\lenovo\.m2\repository\org\slf4j\slf4j-log4j12\1.7.25\slf4j-log4j12-1.7.25.jar;C:\Users\lenovo\.m2\repository\log4j\log4j\1.2.17\log4j-1.2.17.jar;E:\IDEA\IntelliJ IDEA Community Edition 2021.1.3\lib\idea_rt.jar
10:29:28 INFO zookeeper.ZooKeeper: Client environment:java.library.path=C:\Program Files\Java\jdk1.8.0_162\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\WINDOWS\System32\OpenSSH\;C:\Program Files\MySQL\MySQL Server 8.0\bin;E:\apache-maven-3.8.1\bin;C:\Users\lenovo\AppData\Local\Microsoft\WindowsApps;C:\Users\lenovo\AppData\Local\Microsoft\WindowsApps;E:\java\bin;;E:\IDEA\IntelliJ IDEA Community Edition 2021.1.3\bin;;.
10:29:28 INFO zookeeper.ZooKeeper: Client environment:java.io.tmpdir=C:\Users\lenovo\AppData\Local\Temp\
10:29:28 INFO zookeeper.ZooKeeper: Client environment:java.compiler=<NA>
10:29:28 INFO zookeeper.ZooKeeper: Client environment:os.name=Windows 10
10:29:28 INFO zookeeper.ZooKeeper: Client environment:os.arch=amd64
10:29:28 INFO zookeeper.ZooKeeper: Client environment:os.version=10.0
10:29:28 INFO zookeeper.ZooKeeper: Client environment:user.name=lenovo
10:29:28 INFO zookeeper.ZooKeeper: Client environment:user.home=C:\Users\lenovo
10:29:28 INFO zookeeper.ZooKeeper: Client environment:user.dir=E:\com.imooc\zk-prace
10:29:28 INFO zookeeper.ZooKeeper: Client environment:os.memory.free=226MB
10:29:28 INFO zookeeper.ZooKeeper: Client environment:os.memory.max=3518MB
10:29:28 INFO zookeeper.ZooKeeper: Client environment:os.memory.total=238MB
10:29:28 INFO zookeeper.ZooKeeper: Initiating client connection, connectString=192.168.136.137:2181 sessionTimeout=5000 watcher=com.imooc.ZKConnect@28c97a5
10:29:28 INFO common.X509Util: Setting -D jdk.tls.rejectClientInitiatedRenegotiation=true to disable client-initiated TLS renegotiation
10:29:33 INFO zookeeper.ClientCnxnSocket: jute.maxbuffer value is 1048575 Bytes
10:29:33 INFO zookeeper.ClientCnxn: zookeeper.request.timeout value is 0. feature enabled=false
客户端开始连接ZK服务器了
CONNECTING
CONNECTING

Process finished with exit code 0

刚开始怀疑虚拟机给内存太低了，调整到8G，还是有问题：
linux登录zk正常：

​-rwxr-xr-x. 1 1000 1000  238 2月  20 2014 README.txt
-rwxr-xr-x. 1 1000 1000 1937 2月  20 2014 zkCleanup.sh
-rwxr-xr-x. 1 1000 1000 1049 2月  20 2014 zkCli.cmd
-rwxr-xr-x. 1 1000 1000 1534 2月  20 2014 zkCli.sh
-rwxr-xr-x. 1 1000 1000 1333 2月  20 2014 zkEnv.cmd
-rwxr-xr-x. 1 1000 1000 2696 2月  20 2014 zkEnv.sh
-rwxr-xr-x. 1 1000 1000 1084 2月  20 2014 zkServer.cmd
-rwxr-xr-x. 1 1000 1000 5742 2月  20 2014 zkServer.sh
-rw-r--r--. 1 root root 6187 10月  2 18:44 zookeeper.out
[root@localhost bin]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
    link/ether 00:0c:29:e3:29:e2 brd ff:ff:ff:ff:ff:ff
    inet 192.168.136.137/24 brd 192.168.136.255 scope global eth0
    inet6 fe80::20c:29ff:fee3:29e2/64 scope link 
       valid_lft forever preferred_lft forever
[root@localhost bin]# sh zkServer.sh  status
JMX enabled by default
Using config: /root/zookeeper-3.4.6/bin/../conf/zoo.cfg
Mode: standalone
[root@localhost bin]# 
​
张守祝 2021-10-02
源自：Zookeeper   6-2 用代码对节点进行操作
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1回答
好帮手慕小尤 2021-10-06 14:08:00

同学你好，可能是因防火墙导致无法进行连接，则建议同学关闭服务器防火墙，然后重新连接试一下。

./bin/zkServer.sh start

​祝学习愉快！

0
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  • 提问者 张守祝 #1

    解决了，linux防火墙关闭了，windows防火墙没有关闭，把windows防火墙开放权限就可以了

    2021-10-06 14:30:03
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