Agent Startup failed solution:
Oracle Enterprise Manager Cloud Control 12c Release 5
Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved.
Starting agent ................................................. failed.
Fatal agent error: Target Interaction Manager failed at Startup
Fatal agent error: Target Interaction Manager failed at Startup
Fatal agent error: Target Interaction Manager failed at Startup
EMAgent is Thrashing. Exiting watchdog
Consult emctl.log and emagent.nohup in: /oracle/app/oracle/Agent12c4/agent_inst/sysman/log
[oracle@rac2 ~]$
Analysis:
/oracle/app/oracle/Agent12c4/agent_inst/sysman/log
emagent.nohup:
Agent is going down due to an OutOfMemoryError
----- Sun Nov 15 03:20:44 2015::18184::EMAgent will be restarted because of an Out of Memory Exception. -----
gcagent.log
2015-11-15 03:20:35,619 [1:main] ERROR - Critical error:
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2882)
Solution:
To resolve this Outof Memory issue we need to increase java heap size in "emd.properties".
File location: /oracle/app/oracle/Agent12c4/agent_inst/sysman/config
vi emd.properties
Old:
#agentJavaDefines=-Xmx208M -XX:MaxPermSize=96M
New:
agentJavaDefines=-Xmx512M -XX:MaxPermSize=96M
_zombieSuspensions=true
_canceledThreadWait=210
_cancelThreadTimeout=300
[oracle@rac2 config]$ emctl start agent
Oracle Enterprise Manager Cloud Control 12c Release 5
Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved.
Starting agent ............................ started.
[oracle@rac2 config]$ emctl status agent
Oracle Enterprise Manager Cloud Control 12c Release 5
Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved.
---------------------------------------------------------------
Agent Version : 12.1.0.5.0
OMS Version : 12.1.0.5.0
Protocol Version : 12.1.0.1.0
Agent Home : /oracle/app/oracle/Agent12c4/agent_inst
Agent Log Directory : /oracle/app/oracle/Agent12c4/agent_inst/sysman/log
Agent Binaries : /oracle/app/oracle/Agent12c4/core/12.1.0.5.0
Agent Process ID : 24177
Parent Process ID : 24092
Agent URL : https://rac2:3872/emd/main/
Local Agent URL in NAT : https://rac2:3872/emd/main/
Repository URL : https://rac2:4903/empbs/upload
Started at : 2015-11-15 03:31:36
Started by user : oracle
Operating System : Linux version 2.6.32-431.el6.x86_64 (amd64)
Last Reload : (none)
Last successful upload : 2015-11-15 03:32:13
Last attempted upload : 2015-11-15 03:32:13
Total Megabytes of XML files uploaded so far : 0.23
Number of XML files pending upload : 0
Size of XML files pending upload(MB) : 0
Available disk space on upload filesystem : 44.09%
Collection Status : Collections enabled
Heartbeat Status : Ok
Last attempted heartbeat to OMS : 2015-11-15 03:32:01
Last successful heartbeat to OMS : 2015-11-15 03:32:01
Next scheduled heartbeat to OMS : 2015-11-15 03:33:01
---------------------------------------------------------------
Agent is Running and Ready
[oracle@rac2 config]$
Refrence:
EM12c: Enterprise Manager 12c Cloud Control Agent Stops with Logged (gcagent.log) Message: ERROR - Critical error: java.lang.OutOfMemoryError: Java heap space (Doc ID 1947595.1)