解决Mac上安装Zookeeper问题:FAILED TO WRITE PID

今天在尝试本地安装Zookeeper,在官网下载稳定版本apache-zookeeper-3.7.0到本地后,解压文件并将apache-zookeeper-3.7.0-bin文件夹移动至/usr/local目录。

照例先将安装目录conf中的zoo_sample.cfg文件名修改为zoo.cfg。然后进入bin目录,开始执行启动操作:sh zkServer.sh start 出现了问题1如下:

Using config: /usr/local/apache-zookeeper-3.7.0-bin/bin/../conf/zoo.cfg

mkdir: illegal option -- e

usage: mkdir [-pv] [-m mode] directory ...

-n Starting zookeeper ... 

zkServer.sh: line 175: -e /tmp/zookeeper/zookeeper_server.pid: No such file or directory

FAILED TO WRITE PID

最开始以为是操作权限问题,于是开始修改文件权限,但是依然无效。

经过查询后得知原来问题出在zkServer.sh这个启动文件上,打开启动文件找到如下指令:

ZOO_DATADIR="$(echo -e "${ZOO_DATADIR}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"

修改为:

ZOO_DATADIR="$(echo "${ZOO_DATADIR}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"

在3.7.0版本,这段配置在zkServer.sh文件的第120行。

修改完后继续执行启动操作:sh zkServer.sh start 现在出现了问题2如下:

2022-01-06 10:24:34,946 [myid:] - ERROR [main:ZooKeeperServerMain@86] - Unable to start AdminServer, exiting abnormally

org.apache.zookeeper.server.admin.AdminServer$AdminServerException: Problem starting AdminServer on address 0.0.0.0, port 8080 and command URL /commands

at org.apache.zookeeper.server.admin.JettyAdminServer.start(JettyAdminServer.java:179)

at org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:155)

at org.apache.zookeeper.server.ZooKeeperServerMain.initializeAndRun(ZooKeeperServerMain.java:113)

at org.apache.zookeeper.server.ZooKeeperServerMain.main(ZooKeeperServerMain.java:68)

at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:141)

at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:91)

Caused by: java.io.IOException: Failed to bind to /0.0.0.0:8080

at org.eclipse.jetty.server.ServerConnector.openAcceptChannel(ServerConnector.java:349)

at org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:310)

at org.eclipse.jetty.server.AbstractNetworkConnector.doStart(AbstractNetworkConnector.java:80)

at org.eclipse.jetty.server.ServerConnector.doStart(ServerConnector.java:234)

at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)

at org.eclipse.jetty.server.Server.doStart(Server.java:401)

at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)

at org.apache.zookeeper.server.admin.JettyAdminServer.start(JettyAdminServer.java:170)

... 5 more

Caused by: java.net.BindException: Address already in use

at java.base/sun.nio.ch.Net.bind0(Native Method)

at java.base/sun.nio.ch.Net.bind(Net.java:455)

at java.base/sun.nio.ch.Net.bind(Net.java:447)

at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:227)

at java.base/sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:80)

at org.eclipse.jetty.server.ServerConnector.openAcceptChannel(ServerConnector.java:344)

... 12 more

这个比较简单,因为AdminServer启动时默认使用8080端口,但是我本地8080端口已经被占用了。

找到conf/zoo.cfg配置文件,添加一行admin.serverPort=xxxx,修改一下启动的端口即可。(是的,默认配置8080而且没有把配置项写入配置文件中

修改后继续执行启动操作:sh zkServer.sh start 然后遇到了问题3:

2022-01-06 10:38:32,300 [myid:] - INFO  [main:NIOServerCnxnFactory@660] - binding to port 0.0.0.0/0.0.0.0:2181

2022-01-06 10:38:32,301 [myid:] - ERROR [main:ZooKeeperServerMain@91] - Unexpected exception, exiting abnormally

java.net.BindException: Address already in use

at java.base/sun.nio.ch.Net.bind0(Native Method)

at java.base/sun.nio.ch.Net.bind(Net.java:455)

at java.base/sun.nio.ch.Net.bind(Net.java:447)

at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:227)

at java.base/sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:80)

at java.base/sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:73)

at org.apache.zookeeper.server.NIOServerCnxnFactory.configure(NIOServerCnxnFactory.java:662)

at org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:160)

at org.apache.zookeeper.server.ZooKeeperServerMain.initializeAndRun(ZooKeeperServerMain.java:113)

at org.apache.zookeeper.server.ZooKeeperServerMain.main(ZooKeeperServerMain.java:68)

at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:141)

at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:91)

对的,又是一次端口被占用,但是这次是2181端口,细心的同学可能发现了,这是zookeeper client的默认端口。我怀疑我刚才在启动server的时候server虽然因为端口被占用的原因没有启动,但是client却正常启动了。

执行操作:sh zkCli.sh close 即可解决问题。

现在再次执行zkserver启动操作:sh zkServer.sh start

终于正常启动了,打印日志如下:

Using config: /usr/local/apache-zookeeper-3.7.0-bin/bin/../conf/zoo.cfg

-n Starting zookeeper ... 

STARTED

 

 

 

 

 

posted @ 2022-01-06 11:07  夜深nps  阅读(1382)  评论(1编辑  收藏  举报