Last updated on APRIL 22, 2017
Applies to:Enterprise Manager Base Platform - Version 126.96.36.199.0 and later
Information in this document applies to any platform.
EM12c Agent on active/passive setup. After failover to passive node , agent start fails
$/AGENT_INST/bin/emctl start agent
fails with following error
Oracle Enterprise Manager Cloud Control 12c Release 2
Copyright (c) 1996, 2012 Oracle Corporation. All rights reserved.
Starting agent .......... failed.
HTTP Listener failed at Startup
Possible port conflict on port(3872): Retrying the operation.....
Failed to start the agent after 3 attempts. Please check that the port(3872) is available.
Consult emctl.log and emagent.nohup in: /opt/app/ha/CMKM/agent_12c/agent_inst/sysman/log
/AGENT_INST/sysman/log/gcagent.log reports the following exception
WARN - *jetty*: FAILED SslSelectChannelConnector@0.0.0.0:3872: java.net.BindException: The socket name is already in use.
2015-05-07 15:55:49,789 [1:3305B9] WARN - *jetty*: FAILED org.eclipse.jetty.server.Server@608c608c: java.net.BindException: The socket name is already in use.
2015-05-07 15:55:49,791 [1:3305B9] WARN - Agent failed to Startup for HTTP Listener in step 0
2015-05-07 15:55:49,793 [1:3305B9] INFO - Error while starting up (will do a shutdown)
/AGENT_INST/sysman/log/emagent.nohup reports the following exception
Thu May 7 15:56:54 2015::376976::Checking status of EMAgent : 782346 -----
----- Thu May 7 15:56:54 2015::376976:/AGENT_INST/sysman/log/gcagent.log reports the following exception
----- Thu May 7 15:56:54 2015::376976::EMAgent has exited due to initialization failure. -----
----- Thu May 7 15:56:54 2015::376976::Stopping other components. -----
----- Thu May 7 15:56:54 2015::376976::Commiting Process death. -----
/AGENT_INST/sysman/log/emdctlj.log reports the following exception
2014-11-29 14:19:20,474 [main] INFO - unable to connect to the agent at https://cmkm.oracle.com:3872/emd/lifecycle/main/ [No route to host]
oracle.sysman.emSDK.agent.comm.exception.ConnectException: unable to connect to the agent at https://cmkm.oracle.com:3872/emd/lifecycle/main/ [No route to host]
Caused by: java.net.NoRouteToHostException: No route to host
at java.net.PlainSocketImpl.socketConnect(Native Method)
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