在 Linux 修补程序和 OCCM 服务未启动后，内部 Cloud Manager 连接器显示非活动

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适用场景

内部 Cloud Manager 连接器
Linux 修补程序
OCCM 服务启动失败
SQL error

问题描述

内部 Cloud Manager 连接器上的重新启动环路中的 OCCM 服务：

root@user[/opt/application/netapp/cloudmanager]# systemctl status occm occm.service - OCCM Loaded: loaded (/usr/lib/systemd/system/occm.service; enabled; vendor preset: disabled) Active: failed (Result: exit-code) since Mon 2000-01-01 00:00:00 GMT; 2 days ago Process: 27191 ExecStop=/usr/lib/systemd/scripts/occm stop (code=exited, status=0/SUCCESS) Process: 27164 ExecStart=/usr/lib/systemd/scripts/occm start (code=exited, status=0/SUCCESS) Process: 27162 ExecStartPre=/bin/rm -f /tmp/occm-pid (code=exited, status=0/SUCCESS) Main PID: 27168 (code=exited, status=143) Jan 01 00:00:49 user occm[27164]: Starting occm ... Jan 01 00:00:49 user occm[27164]: occm started ... Jan 01 00:00:49 user systemd[1]: Started OCCM. 00:00:51 user systemd[1]: Stopping OCCM... Jan 01 00:00:51 user occm[27191]: occm stopping ... Jan 01 00:00:51 user occm[27191]: occm stopped ... Jan 01 00:00:52 user systemd[1]: occm.service: main process exited, code=exited, status=143/n/a

 /var/log/mysqld.log:

2021-04-12 16:25:55,930 GMT WARN [OccmMain] [Startup] [] [System] (main) [JdbcEnvironmentInitiator:132] HHH000342: Could not obtain connection to query metadata org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Could not connect to address=(host=localhost)(port=3306)(type=master) : Connection refused (Connection refused)) 2021-04-12 16:25:57,514 GMT ERROR [OccmMain] [Startup ] [] [System] (main) [OccmServer:94] Failed database migrations, exiting org.flywaydb.core.internal.dbsupport.FlywaySqlException: Unable to obtain Jdbc connection from DataSource ------------------------------------------------ SQL State : null Error Code : 0 Message : Cannot create PoolableConnectionFactory (Could not connect to address=(host=localhost)(port=3306)(type=master) : Connection refused (Connection refused)) 2000-01-01 00:00:49,326 GMT WARN [OccmMain] [Startup ] [] [System] (main) [JdbcEnvironmentInitiator:132] HHH000342: Could not obtain connection to query metadata org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Table 'performance_schema.session_variables' doesn't exist)