19.9 rac 环境,告警日志alert.log中发现每隔40分钟就有一个错误信息:
emon ping encountered error 942
2021-04-13t10:23:52.371657 08:00
emon ping encountered error 942
2021-04-13t11:03:50.459599 08:00
emon ping encountered error 942
2021-04-13t11:43:48.548627 08:00
emon ping encountered error 942
2021-04-13t12:23:46.638994 08:00
emon ping encountered error 942
2021-04-13t13:03:43.726509 08:00
emon是一个后台进程。
mos关于此类问题建议以下方法收集信息:
相关语句应该是
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select r.location_name, max(r.reg_id), r.con_id
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from cdb_subscr_dur_registrations r left
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outer join gv$subscr_registration_stats v
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on r.reg_id = v.reg_id and r.con_id = v.con_id
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where location_name like'net8://(%'groupby r.location_name, r.con_id having
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min(current_timestamp-nvl(last_ntfn_sent_time, reg_time)) > :b1;
找不到 cdb_subscr_dur_registrations!
我找了另外一台测试环境
32067171;ojvm release update: 19.10.0.0.210119 (32067171)
32218454;database release update : 19.10.0.0.210119 (32218454)
29585399;ocw release update 19.3.0.0.0 (29585399)
却发现存在此对象:
感觉是个bug。
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