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looks like a port conflict.
I have changed the port from 3872 to 3871 in emd.properties file and tried to stop and start the agent again but failed and got the same error.
Please change port to 3873 and let me know the result
Check that there is no hanging processes using the ports. I would suggest you do Do a clean stop and restart of the Agent.
Before you make the port changes, check that you are using a range that is available on your system
I have used 3873 and some other available ports but got the same error.
Below is the output of the netstat:
netstat -an |grep 3872
tcp 0 0 127.0.0.1:53872 127.0.0.1:6100 TIME_WAIT
tcp 0 0 127.0.0.1:63872 127.0.0.1:6100 TIME_WAIT
tcp 0 0 127.0.0.1:38724 127.0.0.1:6100 TIME_WAIT
tcp 0 0 127.0.0.1:38725 127.0.0.1:6100 TIME_WAIT
Now let me tell you our environenment and the scenerio.
We have installled OEM 10g Grid Console on machine A.
We have different databases running on machine B,machine C and D and so forth.
We want to monitor all databases running on machine B,C and D from OEM Grid Control running on machine A.
For that purpose i have installed Oracle 10g Agent on machine B,C and D in order to communicate them with the Grid machine A.
Machine B and C are working fine and are communicating with Grid. Now we can monitor databases running on machine B and C from Grid machine.
But i am getting this HTTP listener problem with the machine D.
So this is how i have setup the environment.
Now any guesses for the problem.