Database Home page display : The database target is currently unavailable

Hello,
I Installed OEM Gird 11g on an Windows 2008 R2
version Installed :
- Oracle Enterprise Manager Grid Console 11.1.0.1.0
- WebLogic Platform 10.3.2.0
- Oracle WebTier and Utilities CD 11.1.1.2.0
To make it running I have to disable IPV6 !
One the database server (Windows 2003 64 bit - Oracle 10.2.0.1.0) I have upgraded the agent to the version Oracle Management Agent 11.1.0.1.0.
I am able to configure a database (dbsnmp/password) no connection issue
But after that the home display the message (The database target is currently unavailable), like the agent is not able to connect to the database.
The database is accessible through the link "Last Known State".
I have try stop and restart the agent in the database.
I also test to make a clearstate (emctl clearstate agent), without success.
I go deeper in the log of the agent (emagent.trc) :
LOGIN = dbsnmp/<PW>@(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=ora-secondary1.lgbow.com)(PORT=1521))(CONNECT_DATA=(SID=LGBPHTE2)))
+2011-08-30 11:28:10,341 Thread-2284 ERROR vpxoci: ORA-12505: TNS:listener does not currently know of SID given in connect descriptor+
+2011-08-30 11:28:10,341 Thread-2284 WARN recvlets.aq: [oracle_database LGBPHTE2] login failed: ORA-12505: TNS:listener does not currently know of SID given in connect descriptor+
+2011-08-30 11:32:50,917 Thread-2236 WARN vpxoci: OCI Error -- ErrorCode(1219): ORA-01219: database not open: queries allowed on fixed tables/views only+
I have tested the LGBPHTE2 tnsname with SQLPLUS it is working.
It is like OEM Grid 11g is not able to give the right password to the agent.
Anyone knows about this issue.
Thanks in advance
Gaspard

LOGIN = dbsnmp/<PW>@(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=ora-secondary1.lgbow.com)(PORT=1521))(CONNECT_DATA=(SID=LGBPHTE2)))
+2011-08-30 11:28:10,341 Thread-2284 ERROR vpxoci: ORA-12505: TNS:listener does not currently know of SID given in connect descriptor+
+2011-08-30 11:28:10,341 Thread-2284 WARN recvlets.aq: [oracle_database LGBPHTE2] login failed: ORA-12505: TNS:listener does not currently know of SID given in connect descriptor+ is the database accessible through this address?
sqlplus user/[email protected]/LGBPHTE2
+2011-08-30 11:32:50,917 Thread-2236 WARN vpxoci: OCI Error -- ErrorCode(1219): ORA-01219: database not open: queries allowed on fixed tables/views only+ is the database open?

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That is really strange, actually the go to database homepage is going to the application express home page,
http://peterzyw.spaces.live.com/photos/cns!DF2188D6F941C9F9!918/
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I installed...
Oracle Database 10g Release 2 (10.2.0.1) Express Edition for Microsoft Windows (Western European)
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http://127.0.0.1:8080/apex
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Note -- This box is behind a corporate firewall.
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16-JUN-2009 23:16:51 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=)(USER=Gary Williams))(COMMAND=status)(ARGUMENTS=64)(SERVICE=LISTENER)(VERSION=169869568)) * status * 0
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SQL> SELECT STATUS FROM DBA_REGISTRY WHERE COMP_ID = 'APEX';
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I have turned off my Firewall, checked against multiple browsers.... HELP!!!!
I've backed out the 3.2 upgrade and reinstalled and receieved the same issue. The next step is to unistall the XE database and reinstall, but I'm loathed to do that without seeking some responses from this Forum.
Many thanks.
Have a great day.
Kind Regards,
Gary.

Hello Roel,
Thank you taking the time to reply.
I had previously tried all those url combinations and still no luck.
I also found out about displaying the HTTP port number. And you were right it was listening on the default 8080. I disabled it and re-enabled it on port 9080 to see if that made a difference but it didn't so I decided to remoce Oracle XE database and go through the reinstallation and subsequent upgarde to APEX 3.2. Everything appera sto be working fime now.
One point of note is that if I view the Listener status now I notice another line from what I had previously referring to the HTTP listener, although my listener.ora file never changed (apart from having the TNS Listener port resuming to the default 1521).
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Copyright (c) 1991, 2005, Oracle. All rights reserved.
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(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC_FOR_XEipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=D9GVDX1S)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=8080))(Presentation=HTTP)(Session=RAW))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "XEXDB" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Service "XE_XPT" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Service "xe" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
The command completed successfully
Can anyone answer why this may have been omitted previously? Presumably this is why my browser couldn't render anything from APEX.
Kind Regards,
Gary.

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