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EM 12c, 13c: Agent is going down with Out of Memory Exception though Xmx is set to a High Value (Doc ID 2667383.1)

Last updated on MAY 08, 2020

Applies to:

Enterprise Manager Base Platform - Version 12.1.0.3.0 and later
Information in this document applies to any platform.

Symptoms

EM 12c Agent on AIX restarts frequently by generating the following errors in emagent.nohup

$AGENT_INST_HOME/sysman/log/emagent.nohup

JVMDUMP032I JVM requested Snap dump using '/u01/app/oracle/agent12c/agent_inst/sysman/emd/Snap.20200427.095724.42991784.0012.trc' in response to an event
JVMDUMP010I Snap dump written to /u01/app/oracle/agent12c/agent_inst/sysman/emd/Snap.20200427.095724.42991784.0012.trc
JVMDUMP013I Processed dump event "systhrow", detail "java/lang/OutOfMemoryError".
Agent is going down due to an OutOfMemoryError
----- Mon Apr 27 09:57:56 2020::27787482::Checking status of EMAgent : 42991784 -----
----- Mon Apr 27 09:58:07 2020::27787482::Checking status of EMAgent : 42991784 -----
----- Mon Apr 27 09:58:07 2020::27787482::EMAgent exited at Mon Apr 27 09:58:07 2020 with return value 57. -----
----- Mon Apr 27 09:58:07 2020::27787482::EMAgent will be restarted because of an Out of Memory Exception. -----

Agent is just monitoring low number of targets and Xmx value is already set to 512MB which should be sufficient to stop these OOM errors.

Cause

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In this Document
Symptoms
Cause
Solution
References


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