搭建heartbeat运行后发现nginx及VIP不能正常启动
问题简介搭建heartbeat运行后发现nginx及VIP不能正常启动，在查看日志后发现nginx已经启动了但是随后有停止了，通过错误日志上的错误我想了半天在重启nginx时发现80端口被占用，随后查看进程发现tomcat占用了80端口，在停止掉tomcat后并重启heartbeat服务后发现问题解决，通过这件事要学习到今后学习及工作中一定要细心，不要因为低级的错误导致工作效率的降低！同时也说明了自己的经验不足，所以在以后的日子还要努力学习！
# /etc/init.d/heartbeat restart
Stopping High-Availability services: Done.
Waiting to allow resource takeover to complete:Done.
Starting High-Availability services: INFO:Resource is stopped
Done.
# ps aux |grep nginx//发现nginx没有启动
root 138130.00.0 5980 748 pts/1 S+ 22:47 0:00 grep nginx
# ifconfig //流动IP也没有出现
eth0 Link encap:EthernetHWaddr 00:0C:29:E6:9E:DF
inet addr:192.168.1.111Bcast:192.168.1.255Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fee6:9edf/64 Scope:Link
UP BROADCAST RUNNING MULTICASTMTU:1500Metric:1
RX packets:3960 errors:0 dropped:0 overruns:0 frame:0
TX packets:3154 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:361574 (353.0 KiB)TX bytes:1111055 (1.0 MiB)
Interrupt:19 Base address:0x2000
eth1 Link encap:EthernetHWaddr 00:0C:29:E6:9E:E9
inet addr:192.168.217.111Bcast:192.168.217.255Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fee6:9ee9/64 Scope:Link
UP BROADCAST RUNNING MULTICASTMTU:1500Metric:1
RX packets:14294 errors:0 dropped:0 overruns:0 frame:0
TX packets:15011 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2645965 (2.5 MiB)TX bytes:2728129 (2.6 MiB)
Interrupt:19 Base address:0x2080
lo Link encap:Local Loopback
inet addr:127.0.0.1Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNINGMTU:65536Metric:1
RX packets:601 errors:0 dropped:0 overruns:0 frame:0
TX packets:601 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:155375 (151.7 KiB)TX bytes:155375 (151.7 KiB)
# less/var/log/ha-log //查看日志发现nginx服务启动了又停止了
ResourceManager(default): 2015/06/08_23:09:43 info: Running /etc/ha.d/resource.d/IPaddr 192.168.1.110/24/eth1:0 start
IPaddr(IPaddr_192.168.1.110): 2015/06/08_23:09:43 INFO: Adding inet address 192.168.1.110/24 to device eth1 (with label eth1:0)
IPaddr(IPaddr_192.168.1.110): 2015/06/08_23:09:43 INFO: Bringing device eth1 up
IPaddr(IPaddr_192.168.1.110): 2015/06/08_23:09:43 INFO: /usr/libexec/heartbeat/send_arp -i 200 -r 5 -p /var/run/resource-agents/send_arp-192.168.1.110 eth1 192.168.1.110 auto not_used not_used
/usr/lib/ocf/resource.d//heartbeat/IPaddr(IPaddr_192.168.1.110): 2015/06/08_23:09:43 INFO:Success
ResourceManager(default): 2015/06/08_23:09:43 info: Running /etc/init.d/nginxstart
ResourceManager(default): 2015/06/08_23:09:46 ERROR: Return code 1 from /etc/init.d/nginx
ResourceManager(default): 2015/06/08_23:09:46 CRIT: Giving up resources due to failure of nginx
ResourceManager(default): 2015/06/08_23:09:46 info: Releasing resource group: webserver 192.168.1.110/24/eth1:0 nginx
ResourceManager(default): 2015/06/08_23:09:46 info: Running /etc/init.d/nginxstop
ResourceManager(default): 2015/06/08_23:09:46 info: Running /etc/ha.d/resource.d/IPaddr 192.168.1.110/24/eth1:0 stop
# service nginx start //首先启动nginx发现端口号被占用
正在启动 nginx：nginx: bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: still could not bind()
[失败]
# netstat -lnp |grep 80 //查看到端口号被jdk给占用
tcp 0 0 ::ffff:127.0.0.1:8005 :::* LISTEN 1224/java
tcp 0 0 :::8009 :::* LISTEN 1224/java
tcp 0 0 :::80 :::* LISTEN 1224/java
# ps aux |grep tomcat //发现tomcat正在运行
root 12240.35.6 342016 57900 ? Sl 19:28 0:53 /usr/local/jdk1.8.0_45/bin/java -Djava.util.logging.config.file=/usr/local/tomcat/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.endorsed.dirs=/usr/local/tomcat/endorsed -classpath /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar -Dcatalina.base=/usr/local/tomcat -Dcatalina.home=/usr/local/tomcat -Djava.io.tmpdir=/usr/local/tomcat/temp org.apache.catalina.startup.Bootstrap start
root 150500.00.0 5980 748 pts/1 S+ 23:14 0:00 grep tomcat
# service tomcat stop //停止tomcat
Using CATALINA_BASE: /usr/local/tomcat
Using CATALINA_HOME: /usr/local/tomcat
Using CATALINA_TMPDIR: /usr/local/tomcat/temp
Using JRE_HOME: /usr/local/jdk1.8.0_45
Using CLASSPATH: /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar
# /etc/init.d/heartbeat restart //重启服务
Stopping High-Availability services: Done.
Waiting to allow resource takeover to complete:Done.
Starting High-Availability services: INFO:Resource is stopped
Done.
# ps aux |grep nginx //nginx以正常启动
root 157070.00.1156681216 ? Ss 23:16 0:00 nginx: master process /usr/sbin/nginx -c /etc/nginx/nginx.conf
nginx 157090.00.1158241796 ? S 23:16 0:00 nginx: worker process
root 157110.00.0 5980 748 pts/1 S+ 23:16 0:00 grep nginx
# ifconfig //流动IP也出现
eth0 Link encap:EthernetHWaddr 00:0C:29:E6:9E:DF
inet addr:192.168.1.111Bcast:192.168.1.255Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fee6:9edf/64 Scope:Link
UP BROADCAST RUNNING MULTICASTMTU:1500Metric:1
RX packets:5436 errors:0 dropped:0 overruns:0 frame:0
TX packets:4380 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:499152 (487.4 KiB)TX bytes:1788479 (1.7 MiB)
Interrupt:19 Base address:0x2000
eth1 Link encap:EthernetHWaddr 00:0C:29:E6:9E:E9
inet addr:192.168.217.111Bcast:192.168.217.255Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fee6:9ee9/64 Scope:Link
UP BROADCAST RUNNING MULTICASTMTU:1500Metric:1
RX packets:16351 errors:0 dropped:0 overruns:0 frame:0
TX packets:17077 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3037882 (2.8 MiB)TX bytes:3121711 (2.9 MiB)
Interrupt:19 Base address:0x2080
eth1:0 Link encap:EthernetHWaddr 00:0C:29:E6:9E:E9
inet addr:192.168.1.110Bcast:0.0.0.0Mask:255.255.255.0
UP BROADCAST RUNNING MULTICASTMTU:1500Metric:1
Interrupt:19 Base address:0x2080
lo Link encap:Local Loopback
inet addr:127.0.0.1Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNINGMTU:65536Metric:1
RX packets:635 errors:0 dropped:0 overruns:0 frame:0
TX packets:635 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:157199 (153.5 KiB)TX bytes:157199 (153.5 KiB)
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