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EM12c: Scan Listener Shows Down Status in Enterprise Manager 12c Cloud Control after Relocation when Collection Directory is missing under <AGENT_BASE>/agent_inst/sysman/emd (Doc ID 1964303.1)

Last updated on FEBRUARY 19, 2020

Applies to:

Enterprise Manager for Oracle Database - Version and later
Information in this document applies to any platform.


EM cloud control
DB plugin
Issue: After scan listener is relocated from one node to another, it is showing down in EM console

The following error is observed from <AGENT_BASE>/gc_inst/em/EMGC_OMS1/sysman/log/emoms.trc file

2015-01-19 01:11:57,186 [RJob Step 49334848] ERROR logp.251 - PropagateMetricsData Error while Saving Target Collection to emd. TargetCollection xml :
<!-- This file is generated by Collector at 2015-01-19 01:11:57 -->

<TargetCollection TYPE="oracle_listener" NAME="<SCAN LISTENER NAME>" INCLUDE_DEFAULT="TRUE">
    <CollectionItem NAME="Response" UPLOAD="YES">
            <IntervalSchedule INTERVAL="5" TIME_UNIT="Min"/>
        <MetricColl NAME="Response">
            <Condition COLUMN_NAME="tnsPing" CRITICAL="1000" WARNING="400" OPERATOR="GT" OCCURRENCES="1" MESSAGE="Listener response to a TNS ping is %value% msecs" MESSAGE_NLSID="Response_tnsping_alertmessage"/>
            <Condition COLUMN_NAME="Status" CRITICAL="0" WARNING="NotDefined" OPERATOR="EQ" OCCURRENCES="1" MESSAGE="The listener is down: %oraerr%." MESSAGE_NLSID="Response_Status_alertmessage" CLEAR_MESSAGE="The listener is up." CLEAR_MESSAGE_NLSID="Response_Status_clearmessage"/>
    <CollectionItem NAME="TNS_ERRORS" UPLOAD="YES">
            <IntervalSchedule INTERVAL="1" TIME_UNIT="Hr"/>
        <MetricColl NAME="TNS_ERRORS">
            <Condition COLUMN_NAME="tnserrmsg" CRITICAL="NotDefined" WARNING="NotDefined" OPERATOR="MATCH" OCCURRENCES="1" MESSAGE="%tnserr% error occured.Please check log for details. " MESSAGE_NLSID="TNSERRORS_tnserr_alertmessage" NO_CLEAR_ON_NULL="TRUE" STATELESS_ALERT="TRUE" ALERT_CONTEXT="sys_occurrence_count;sys_first_occur_time;sys_last_occur_time"/>







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