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zabbix 監控 Tomcat

zabbix tomcat

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# zabbix提供了一個JMX通過java gateway 來監控java

#官方文檔:https://www.zabbix.com/documentation/3.2/manual/appendix/config/zabbix_java

#java gatewa 需要獨立安裝 以為zabbix-server zabbix-agent都不能直接監控java

#Tomcat 安裝參考:Tomcat安裝與配置

#zabbix 安裝參考:zabbix安裝和基本介紹


主機名 角色 IP地址
node2zabbix-server zabbix-java-gateway192.168.174.136
node4 tomcat192.168.174.138

#安裝java gateway

[[email protected] ~]# yum install -y zabbix-java-gateway java-1.8.0


#配置

[[email protected] ~]# vim /etc/zabbix/zabbix_java_gateway.conf
[[email protected] ~]# grep ‘^[a-Z]‘ /etc/zabbix/zabbix_java_gateway.conf 
LISTEN_IP="0.0.0.0"
LISTEN_PORT=10052
PID_FILE="/var/run/zabbix/zabbix_java.pid"
START_POLLERS=5
TIMEOUT=3
[[email protected]
/* */ ~]#

我們使用默認配置即可


#開啟服務

[[email protected] ~]# systemctl start zabbix-java-gateway.service
[[email protected] ~]# netstat -lntup | grep 10052
tcp6       0      0 :::10052                :::*                    LISTEN      3002/java           
[[email protected] ~]#


#修改zabbix-server配置文件

[[email protected]
/* */ ~]# vim /etc/zabbix/zabbix_server.conf [[email protected] ~]# egrep ‘(^Java|^Start)‘ /etc/zabbix/zabbix_server.conf JavaGateway=192.168.174.136 JavaGatewayPort=10052 StartJavaPollers=5


#重啟zabbix-server服務

[[email protected] ~]# systemctl restart zabbix-server.service


#Tomcat開啟JMX

#參考文檔:http://tomcat.apache.org/tomcat-8.0-doc/monitoring.html

[[email protected] tomcat]# vim /usr/local/tomcat/bin/catalina.sh 
[[email protected] tomcat]# sed -n ‘114,118p‘ /usr/local/tomcat/bin/catalina.sh
CATALINA_OPTS="-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.port=8888  
-Djava.rmi.server.hostname=192.168.174.138"

[[email protected] tomcat]# /usr/local/tomcat/bin/startup.sh 

[[email protected] tomcat]# netstat -lntup
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1186/sshd           
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      1512/master         
tcp6       0      0 :::22                   :::*                    LISTEN      1186/sshd           
tcp6       0      0 ::1:25                  :::*                    LISTEN      1512/master         
udp        0      0 0.0.0.0:20618           0.0.0.0:*                           991/dhclient        
udp        0      0 0.0.0.0:68              0.0.0.0:*                           991/dhclient        
udp6       0      0 :::36737                :::*                                991/dhclient

#發現服務沒有啟動

查看日誌在最後一行發現錯誤,local host name unknow
[[email protected] tomcat]# tail -10 logs/catalina.out 
18-May-2017 23:19:33.887 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 32022 ms
18-May-2017 23:24:00.914 INFO [main] org.apache.catalina.core.StandardServer.await A valid shutdown command was received via the shutdown port. Stopping the Server instance.
18-May-2017 23:24:00.915 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-nio-8080"]
18-May-2017 23:24:00.970 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["ajp-nio-8009"]
18-May-2017 23:24:01.022 INFO [main] org.apache.catalina.core.StandardService.stopInternal Stopping service [Catalina]
18-May-2017 23:24:01.080 INFO [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-nio-8080"]
18-May-2017 23:24:01.081 INFO [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["ajp-nio-8009"]
18-May-2017 23:24:01.082 INFO [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-nio-8080"]
18-May-2017 23:24:01.083 INFO [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["ajp-nio-8009"]
Error: Exception thrown by the agent : java.net.MalformedURLException: Local host name unknown: java.net.UnknownHostException: node4: node4: Name or service not known

#修改hosts文件
[[email protected] tomcat]# hostname
node4
[[email protected] tomcat]# vim /etc/hosts
[[email protected] tomcat]# tail -1 /etc/hosts
192.168.174.138 node4

[[email protected] tomcat]# /usr/local/tomcat/bin/startup.sh 
Using CATALINA_BASE:   /usr/local/tomcat
Using CATALINA_HOME:   /usr/local/tomcat
Using CATALINA_TMPDIR: /usr/local/tomcat/temp
Using JRE_HOME:        /usr/local/jdk
Using CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar
Tomcat started.


[[email protected] tomcat]# netstat -lntup
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1186/sshd           
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      1512/master         
tcp6       0      0 :::8009                 :::*                    LISTEN      4020/java           
tcp6       0      0 :::8080                 :::*                    LISTEN      4020/java           
tcp6       0      0 :::22                   :::*                    LISTEN      1186/sshd           
tcp6       0      0 :::53463                :::*                    LISTEN      4020/java           
tcp6       0      0 :::8888                 :::*                    LISTEN      4020/java           
tcp6       0      0 ::1:25                  :::*                    LISTEN      1512/master         
tcp6       0      0 :::45731                :::*                    LISTEN      4020/java           
tcp6       0      0 127.0.0.1:8005          :::*                    LISTEN      4020/java           
udp        0      0 0.0.0.0:20618           0.0.0.0:*                           991/dhclient        
udp        0      0 0.0.0.0:68              0.0.0.0:*                           991/dhclient        
udp6       0      0 :::36737                :::*                                991/dhclient        

服務正常啟動



#添加主機

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zabbix 監控 Tomcat