无法启动Zookeeper [英] Can't start zookeeper

问题描述

我正在使用融合平台，动物园管理员正在使用状态查询。但是当我尝试使用汇合启动kafka时，它表明zookeeper已关闭。

  $ sudo service zookeeper状态
重定向到/ bin / systemctl状态zookeeper.service 
●zookeeper.service-Zookeeper 
已加载：已加载（/etc/systemd/system/zookeeper.service；已禁用；供应商预设：已禁用）
活动：自星期二2017-08-08 17:25:34以来处于活动（运行）状态； 16小时前
文档：http://kafka.apache.org/documentation.html 
流程：3774 ExecStop = / var / www / confluent / bin / zookeeper-server-stop（代码已退出，状态= 1 / FAILURE）
主PID：3785（java）
 CGroup：/system.slice/zookeeper.service 
└─3785java -Xmx512M -Xms512M -server -XX：+ UseG1GC- XX：MaxGCPauseMillis = 20 -XX：InitiatingHeapOccupancyPercent = 35 -XX：+ DisableExplicitGC -Djava.awt.headless = true -Xloggc：/ var / log ... 
 
 zookeeper [3785]：[2017- 08-08 17：26：09,005] INFO会话ID的已处理会话终止：0x15dc460fd0c0000（org.apache.zooke ...处理器）
 zookeeper [3785]：[2017-08-08 17：26：39,000] INFO会话0x15dc4364baf0004过期，超过60000毫秒的超时时间（org.apache.zook ... perServer）
 zookeeper [3785]：[2017-08-08 17：26：39,000]信息会话0x15dc4364baf0002过期，超过60000ms的超时时间（ org.apache.zook ... perServer）
 zookeeper [3785]：[2017-08-08 17：26：39,000] INFO过期会话0x15dc4364baf0003，超时为60超过000毫秒（org.apache.zook ... perServer）
 zookeeper [3785]：[2017-08-08 17：26：39,001]信息会话ID的已处理会话终止：0x15dc4364baf0004（org.apache.zooke .. .Processor）
 zookeeper [3785]：[2017-08-08 17：26：39,002] INFO sessionid的已处理会话终止：0x15dc4364baf0002（org.apache.zooke ... Processor）
 zookeeper [3785 ]：[2017-08-08 17：26：39,002]信息会话ID的已处理会话终止：0x15dc4364baf0003（org.apache.zooke ...处理器）
 zookeeper [3785]：[2017-08-09 09： 56：26,711]信息从/127.0.0.1:46446接受的套接字连接（org.apache.zookeeper.server.NI ... xnFactory）
 zookeeper [3785]：[2017-08-09 09：59：14,796 ]由于java.io.IOException而导致导致会话0x0关闭的WARN异常：Len错误-72 ... erverCnxn）
 zookeeper [3785]：[2017-08-09 09：59：14,796]信息关闭套接字连接对于客户端/127.0.0.1:46446（未为... erverCnxn建立会话）
提示：某些行被省略了，请使用-l完整显示。 
  

---

  $ confluent启动kafka 
正在启动zookeeper 
 | Zookeeper无法启动
 zookeeper是[DOWN] 
无法启动Kafka，Zookeeper未运行。检查您的部署
  

解决方案

这是因为zookeeper已经在运行，您可以使用

  ps aux | grep zookeeper 
   
 
 
并手动终止该过程，它将起作用。
 
I'm using confluent platform, the zookeeper is active with status lookup. but when I try to start kafka with confluent it shows zookeeper is down.
$ sudo service zookeeper status
Redirecting to /bin/systemctl status  zookeeper.service
● zookeeper.service - Zookeeper
   Loaded: loaded (/etc/systemd/system/zookeeper.service; disabled; vendor preset: disabled)
   Active: active (running) since Tue 2017-08-08 17:25:34 PDT; 16h ago
     Docs: http://kafka.apache.org/documentation.html
  Process: 3774 ExecStop=/var/www/confluent/bin/zookeeper-server-stop (code=exited, status=1/FAILURE)
 Main PID: 3785 (java)
   CGroup: /system.slice/zookeeper.service
           └─3785 java -Xmx512M -Xms512M -server -XX:+UseG1GC -XX:MaxGCPauseMillis=20 -XX:InitiatingHeapOccupancyPercent=35 -XX:+DisableExplicitGC -Djava.awt.headless=true -Xloggc:/var/log...

 zookeeper[3785]: [2017-08-08 17:26:09,005] INFO Processed session termination for sessionid: 0x15dc460fd0c0000 (org.apache.zooke...Processor)
 zookeeper[3785]: [2017-08-08 17:26:39,000] INFO Expiring session 0x15dc4364baf0004, timeout of 60000ms exceeded (org.apache.zook...perServer)
 zookeeper[3785]: [2017-08-08 17:26:39,000] INFO Expiring session 0x15dc4364baf0002, timeout of 60000ms exceeded (org.apache.zook...perServer)
 zookeeper[3785]: [2017-08-08 17:26:39,000] INFO Expiring session 0x15dc4364baf0003, timeout of 60000ms exceeded (org.apache.zook...perServer)
 zookeeper[3785]: [2017-08-08 17:26:39,001] INFO Processed session termination for sessionid: 0x15dc4364baf0004 (org.apache.zooke...Processor)
 zookeeper[3785]: [2017-08-08 17:26:39,002] INFO Processed session termination for sessionid: 0x15dc4364baf0002 (org.apache.zooke...Processor)
 zookeeper[3785]: [2017-08-08 17:26:39,002] INFO Processed session termination for sessionid: 0x15dc4364baf0003 (org.apache.zooke...Processor)
 zookeeper[3785]: [2017-08-09 09:56:26,711] INFO Accepted socket connection from /127.0.0.1:46446 (org.apache.zookeeper.server.NI...xnFactory)
 zookeeper[3785]: [2017-08-09 09:59:14,796] WARN Exception causing close of session 0x0 due to java.io.IOException: Len error -72...erverCnxn)
 zookeeper[3785]: [2017-08-09 09:59:14,796] INFO Closed socket connection for client /127.0.0.1:46446 (no session established for...erverCnxn)
Hint: Some lines were ellipsized, use -l to show in full.




$ confluent start kafka
Starting zookeeper
|Zookeeper failed to start
zookeeper is [DOWN]
Cannot start Kafka, Zookeeper is not running. Check your deployment

解决方案
This is because zookeeper is already running, you can check the process with 
ps aux|grep zookeeper
and kill the process manually and it is gonna work.

                        
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