VM虚拟机CentOS7下mysql服务启动失败的解决办法 |
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1.启动mysql服务 [root@localhost ~]# service mysqld start报错： Starting mysqld (via systemctl): Job for mysqld.service failed because the control process exited with error code. See "systemctl status mysqld.service" and "journalctl -xe" for details. [失败] 查看mysql服务的启动日志： [root@localhost ~]# cat /var/log/mysqld.log 2017-12-07T01:13:17.421614Z 0 [ERROR] /usr/sbin/mysqld: Can't create/write to file '/var/run/mysqld/mysqld.pid' (Errcode: 2 - No such file or directory) 2017-12-07T01:13:17.421651Z 0 [ERROR] Can't start server: can't create PID file: No such file or directory. mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended发现mysql服务启动的时候不能创建PID文件。
在终端查看发现果然没有/var/run/mysqld这个文件，所以创建一个： [root@localhost ~]# mkdir -p /var/run/mysqld
然后再重启mysql的服务，可是还是失败： [root@localhost ~]# /etc/init.d/mysqld start Starting mysqld (via systemctl): Job for mysqld.service failed because the control process exited with error code. See "systemctl status mysqld.service" and "journalctl -xe" for details. [失败] 发现/var/run/mysqld/的属主和属组还是root，mysql并不能在其中创建文件，后修改该目录的属主和属组，启动成功。 [root@localhost ~]# ls -ld /var/run/mysqld/ drwxr-xr-x. 2 root root 40 12月 7 09:53 /var/run/mysqld/ [root@localhost ~]# chown mysql.mysql /var/run/mysqld/ [root@localhost ~]# /etc/init.d/mysqld start Starting mysqld (via systemctl): [ 确定 ]
重启虚拟机之后打开Ambari页面要开启的服务
首先开启Mysql： [root@master ~]# mkdir -p /var/run/mysqld [root@master ~]# chown mysql.mysql /var/run/mysqld/ [root@master ~]# service mysqld start Starting mysqld (via systemctl): [ OK ]之后就是http服务： [root@master ~]# service httpd start Redirecting to /bin/systemctl start httpd.service检查配置完整性： [root@master ~]# yum clean all Loaded plugins: fastestmirror, langpacks Cleaning repos: HDP-2.4 HDP-UTILS-1.1.0.20 Updates-ambari-2.2.1.1 base extras updates Cleaning up everything Cleaning up list of fastest mirrors[root@master ~]# yum repolist Loaded plugins: fastestmirror, langpacks http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP/centos7/2.x/updates/2.4.0.0/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP-UTILS-1.1.0.20/repos/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP-UTILS-1.1.0.20/repos/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP-UTILS-1.1.0.20/repos/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP-UTILS-1.1.0.20/repos/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP-UTILS-1.1.0.20/repos/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP-UTILS-1.1.0.20/repos/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP-UTILS-1.1.0.20/repos/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP-UTILS-1.1.0.20/repos/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP-UTILS-1.1.0.20/repos/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/HDP-UTILS-1.1.0.20/repos/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/AMBARI-2.2.1.1/centos7/2.2.1.1-70/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/AMBARI-2.2.1.1/centos7/2.2.1.1-70/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/AMBARI-2.2.1.1/centos7/2.2.1.1-70/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/AMBARI-2.2.1.1/centos7/2.2.1.1-70/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/AMBARI-2.2.1.1/centos7/2.2.1.1-70/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/AMBARI-2.2.1.1/centos7/2.2.1.1-70/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/AMBARI-2.2.1.1/centos7/2.2.1.1-70/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/AMBARI-2.2.1.1/centos7/2.2.1.1-70/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/AMBARI-2.2.1.1/centos7/2.2.1.1-70/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. http://192.168.24.131/AMBARI-2.2.1.1/centos7/2.2.1.1-70/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to 192.168.24.131:80; Connection refused" Trying other mirror. base/7/x86_64 | 3.6 kB 00:00:00 base/7/x86_64/group_gz | 156 kB 00:00:00 base/7/x86_64/primary_db | 5.7 MB 00:00:00 extras/7/x86_64 | 3.4 kB 00:00:00 extras/7/x86_64/primary_db | 145 kB 00:00:00 updates/7/x86_64 | 3.4 kB 00:00:00 updates/7/x86_64/primary_db | 4.5 MB 00:00:00 repo id repo name status HDP-2.4 HDP-2.4 0 HDP-UTILS-1.1.0.20 HDP-UTILS-1.1.0.20 0 Updates-ambari-2.2.1.1 ambari-2.2.1.1 - Updates 0 base/7/x86_64 CentOS-7 - Base 9,591 extras/7/x86_64 CentOS-7 - Extras 327 updates/7/x86_64 CentOS-7 - Updates 1,540 repolist: 11,458 最后开启ambari服务： [root@master ~]# ambari-server start Using python /usr/bin/python Starting ambari-server Ambari Server running with administrator privileges. Organizing resource files at /var/lib/ambari-server/resources... Server PID at: /var/run/ambari-server/ambari-server.pid Server out at: /var/log/ambari-server/ambari-server.out Server log at: /var/log/ambari-server/ambari-server.log Waiting for server start.................... Ambari Server 'start' completed successfully.
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