EM 13c: Listener Target in Enterprise Manager 13.2 Cloud Control is Displayed in Metric Collection Error Status with Exception: oracle.sysman.emSDK.agent.fetchlet.exception.FetchletException: Can't call method "dev" on an undefined value (Doc ID 2232442.1)

Last updated on FEBRUARY 16, 2017

Applies to:

Enterprise Manager for Oracle Database - Version 13.2.1.0.0 and later
Information in this document applies to any platform.

Symptoms

A Listener target in Enterprise Manager (EM) 13.2 Cloud Control shows a status of Metric Collection Error (MCE) with the following logged exceptions:

From <Agent_Base>/agent_inst/sysman/log/gcagent.log:

2017-02-10 09:25:34,185 [21400:F3980FE3:HTTP Listener-21400 - /emd/main/ (DispatchRequests emdctl@16187@<hostname>=>[148671513360001])] INFO - >>> Dispatching request: GetMetricDataRequest (Response@oracle_listener.LISTENER_<hostname> {}) <<<
2017-02-10 09:25:34,321 [21401:F5625105:GC.OnDemand.87 (Real-Time Metric Request;oracle_listener.LISTENER_<hostname>;Response)] INFO - Can't call method "dev" on an undefined value at <Agent_Base>/agent_13.2.0.0.0/plugins/oracle.sysman.db.agent.plugin_13.2.1.0.0/scripts/db/net/listenerUtil.pl line 1411.

oracle.sysman.emSDK.agent.fetchlet.exception.FetchletException: Can't call method "dev" on an undefined value at <Agent_Base>/agent_13.2.0.0.0/plugins/oracle.sysman.db.agent.plugin_13.2.1.0.0/scripts/db/net/listenerUtil.pl line 1411.

 

The following incident is generated from EM 13.2:

Metric evaluation error start - oracle.sysman.emSDK.agent.fetchlet.exception.FetchletException: Can't call method "dev" on an undefined value at <Agent_Base>/agent_13.2.0.0.0/plugins/oracle.s
ID 74907
Target LISTENER_<hostname>(Listener)Target Information
Incident Created Feb 9, 2017 3:13:01 PM CET
Last Updated Feb 9, 2017 3:13:01 PM CET
Summary Metric evaluation error start - oracle.sysman.emSDK.agent.fetchlet.exception.FetchletException: Can't call method "dev" on an undefined value at <Agent_Base>/agent_13.2.0.0.0/plugins/oracle.sysman.db.agent.plugin_13.2.1.0.0/scripts/db/net/listenerUtil.pl line 1411.
Internal Event Name Status
Internal Reported State AVAILABILITY EVALUATION ERROR
Event Type Target Availability
Category Availability

 

The agent does not recognize the target properly:

 

 

Changes

 

Cause

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