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Re: Newbie needs help. Studying for OCA.

From: Frank <no_at_spam.org>
Date: Thu, 20 Jan 2005 22:12:10 +0100
Message-ID: <41f01ea4$0$6218$e4fe514c@news.xs4all.nl>


Alex Reid wrote:
> I have successfully installed Oracle 10g enterprise edition on my home
> pc for educational purposes.
>
> Whenever I attempt to open the EM database control via Mozilla Firefox,
> I get this error message:
>
> "The connection was refused when attempting to contact 192.168.2.1:5500"
>
> This leads me to believe one of two possibilities:
> 1. I do not have an instance started
> 2. I do not have an active listener
>
> My OS is Win XP Pro. I have verified that the following services are
> started:
>
> OracleCSService
> OracleOraDb10g_home2SNMPPeerEncapsulator
> OracleOraDb10g_home2SNMPPeerMasterAgent
>
> This service however, will not start:
> OracleOraDb10g_home1TNSListener
>
> If I try to start it, I get the following error message:
>
> "The OracleOraDb10g_home1TNSListener service started & then stopped.
> Some services stop automatically if they have no work to do..."
>
> Shouldn't this service be running all the time so that it can listen for
> connection requests? Please help the newbie!
>

Hey Alex,

the process that listens on port 5500 is the dbconsole process. On unix this process is started with the command:

#${ORACLE_HOME}/bin/emctl start dbconsole

I don't know how to start this process (or service) on windows, presumably from the services tab or perhaps even via a icon on your desktop or program list. This http EM console is a new feature of Oracle 10g. A lot of management actions can be performed via this http app. Oracle recommends the use of this tool. I think this tool won't often be used in large environments because it is not secure (http protocol will show all userid/passwd credentials with network sniffing tools). But yes, it's in the course and therefore in the exam.

Regards,
Frank Received on Thu Jan 20 2005 - 15:12:10 CST

Original text of this message

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