We just check the agent status and it is not running and then we tried to start it and got below notification that Target Interaction Manager failed at Startup.
$ ./emctl status agent
Oracle Enterprise Manager Cloud Control 12c Release 5
Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved.
---------------------------------------------------------------
Agent is Not Running
$ ./emctl start agent
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: /u01/tools/agents/oracle/occ/agent12c/agent_inst/sysman/log
At this point below steps performed fixed the error and allowed the agent to startup.
Agent is down already so no need to shut it down.
./emctl clearstate agent
First time it may not succeed, that mean we need to manually clean state directory: Go to the state directory and move * to tmp.
/tools/agents/oracle/occ/agent12c/agent_inst/sysman/emd/state -- I just move everything to /tmp/state – we really do not need anything, but just in case we can still have it in temp.
Then run ./emclt clearstate agent again and this time it should show success.
Then I just startup agent -- ./emctl start agent
it should start cleanly and show status as up and running.
$ ./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 : /u01/tools/agents/oracle/occ/agent12c/agent_inst
Agent Log Directory : /u01/tools/agents/oracle/occ/agent12c/agent_inst/sysman/log
Agent Binaries : /tools/agents/oracle/occ/agent12c/core/12.1.0.5.0
Agent Process ID : 262288
Parent Process ID : 261883
Agent URL : https://test.com:3872/emd/main/
Local Agent URL in NAT : https://test.com:3872/emd/main/
Repository URL : https://omsa.com:4899/empbs/upload
Started at : 2017-03-02 02:46:56
Started by user : omsagent
Operating System : Linux version 2.6.39-400.277.1.el6uek.x86_64 (amd64)
Last Reload : (none)
Last successful upload : 2017-03-03 16:07:53
Last attempted upload : 2017-03-03 16:07:53
Total Megabytes of XML files uploaded so far : 12.08
Number of XML files pending upload : 0
Size of XML files pending upload(MB) : 0
Available disk space on upload filesystem : 40.79%
Collection Status : Collections enabled
Heartbeat Status : Ok
Last attempted heartbeat to OMS : 2017-03-03 16:07:47
Last successful heartbeat to OMS : 2017-03-03 16:07:47
Next scheduled heartbeat to OMS : 2017-03-03 16:08:47
---------------------------------------------------------------
Agent is Running and Ready
$ ./emctl status agent
Oracle Enterprise Manager Cloud Control 12c Release 5
Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved.
---------------------------------------------------------------
Agent is Not Running
$ ./emctl start agent
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: /u01/tools/agents/oracle/occ/agent12c/agent_inst/sysman/log
At this point below steps performed fixed the error and allowed the agent to startup.
Agent is down already so no need to shut it down.
./emctl clearstate agent
First time it may not succeed, that mean we need to manually clean state directory: Go to the state directory and move * to tmp.
/tools/agents/oracle/occ/agent12c/agent_inst/sysman/emd/state -- I just move everything to /tmp/state – we really do not need anything, but just in case we can still have it in temp.
Then run ./emclt clearstate agent again and this time it should show success.
Then I just startup agent -- ./emctl start agent
it should start cleanly and show status as up and running.
$ ./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 : /u01/tools/agents/oracle/occ/agent12c/agent_inst
Agent Log Directory : /u01/tools/agents/oracle/occ/agent12c/agent_inst/sysman/log
Agent Binaries : /tools/agents/oracle/occ/agent12c/core/12.1.0.5.0
Agent Process ID : 262288
Parent Process ID : 261883
Agent URL : https://test.com:3872/emd/main/
Local Agent URL in NAT : https://test.com:3872/emd/main/
Repository URL : https://omsa.com:4899/empbs/upload
Started at : 2017-03-02 02:46:56
Started by user : omsagent
Operating System : Linux version 2.6.39-400.277.1.el6uek.x86_64 (amd64)
Last Reload : (none)
Last successful upload : 2017-03-03 16:07:53
Last attempted upload : 2017-03-03 16:07:53
Total Megabytes of XML files uploaded so far : 12.08
Number of XML files pending upload : 0
Size of XML files pending upload(MB) : 0
Available disk space on upload filesystem : 40.79%
Collection Status : Collections enabled
Heartbeat Status : Ok
Last attempted heartbeat to OMS : 2017-03-03 16:07:47
Last successful heartbeat to OMS : 2017-03-03 16:07:47
Next scheduled heartbeat to OMS : 2017-03-03 16:08:47
---------------------------------------------------------------
Agent is Running and Ready
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