ERROR Enterprise Manager 10 g

Dear elders, I just installed, am not effective in this process, when you are logged into EM Home I found this following error message

java.lang.Exception: Exception by sending the request: null

What is this error, why correct its projection, where should I check to set!


so I try to start my database of start/stop: to specify host and target database credentials it displays database credentials and Host Credential page...

(1) I gave Host ID sysadmin powers and * password *.
(2) database credentials column I gave SYS and sound * COLLAR *.

Then, it raise following error message:

* Error message
Couldnot communicate with the agent. Make sure that the url of the agent is null *.

Please my dear elderly, what is the problem in this, as I said am just a beginner if ppl explain me to you what are the mistakes that I made and how to correct then it will be a help for my carrier. *

Thank you.

Hello

Welcome 2 Oracle Forums :)

(1) ensure that the host credentials you provide are the owner of the oracle software.

(2) make sure that the database and the listener is up and running.

Kind regards
A H E E R X

Tags: Database

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