首页 > 编程语言 >【Kafka】ZooKeeper启动失败报错java.net.BindException_ Address already in use_ bind

【Kafka】ZooKeeper启动失败报错java.net.BindException_ Address already in use_ bind

时间:2023-09-11 14:04:23浏览次数:48  
标签:use already java 04 zookeeper server 报错 apache org

问题描述

Kafka 2.8.1 ZooKeeper启动失败。

zookeeper-server-start.bat ../../config/zookeeper.properties
[2023-09-04 18:21:49,497] INFO binding to port 0.0.0.0/0.0.0.0:2181 (org.apache.zookeeper.server.NIOServerCnxnFactory)
[2023-09-04 18:21:49,498] ERROR Unexpected exception, exiting abnormally (org.apache.zookeeper.server.ZooKeeperServerMain)
java.net.BindException: Address already in use: bind
        at java.base/sun.nio.ch.Net.bind0(Native Method)
        at java.base/sun.nio.ch.Net.bind(Net.java:555)
        at java.base/sun.nio.ch.ServerSocketChannelImpl.netBind(ServerSocketChannelImpl.java:337)
        at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:294)
        at java.base/sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:89)
        at java.base/sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:81)
        at org.apache.zookeeper.server.NIOServerCnxnFactory.configure(NIOServerCnxnFactory.java:687)
        at org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:144)
        at org.apache.zookeeper.server.ZooKeeperServerMain.initializeAndRun(ZooKeeperServerMain.java:107)
        at org.apache.zookeeper.server.ZooKeeperServerMain.main(ZooKeeperServerMain.java:65)
        at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:128)
        at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:82)

原因分析

2181端口被占用。

打开cmd。

netstat -ano |findstr 2181

无结果返回,找不到占用2181端口的程序。


解决方案

修改config/zookeeper.properties

找到:

clientPort=2181

改为:

clientPort=21810

重新启动ZooKeeper,启动成功。

[2023-09-04 18:32:51,963] INFO binding to port 0.0.0.0/0.0.0.0:21810 (org.apache.zookeeper.server.NIOServerCnxnFactory)
[2023-09-04 18:32:51,979] INFO zookeeper.snapshotSizeFactor = 0.33 (org.apache.zookeeper.server.ZKDatabase)
[2023-09-04 18:32:51,981] INFO Reading snapshot \tmp\zookeeper\version-2\snapshot.0 (org.apache.zookeeper.server.persistence.FileSnap)
[2023-09-04 18:32:51,988] INFO Snapshotting: 0x0 to \tmp\zookeeper\version-2\snapshot.0 (org.apache.zookeeper.server.persistence.FileTxnSnapLog)
[2023-09-04 18:32:51,999] INFO PrepRequestProcessor (sid:0) started, reconfigEnabled=false (org.apache.zookeeper.server.PrepRequestProcessor)
[2023-09-04 18:32:52,004] INFO Using checkIntervalMs=60000 maxPerMinute=10000 (org.apache.zookeeper.server.ContainerManager)

记得修改config/server.properties,不然Kafka Server无法连接。

找到:

zookeeper.connect=localhost:2181

改为:

zookeeper.connect=localhost:2181

标签:use,already,java,04,zookeeper,server,报错,apache,org
From: https://blog.51cto.com/HEX9CF/7435636

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