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Oracle connection problem

  Asked By: Lloyd    Date: Jul 16    Category: Java    Views: 6375
  

After installing oracle DB and creating a new database, when I want to login into "Oracle Enterprise Manager 10g" through the url "http://localhost:1158/em", instead of login page, I see another page with the following context:


<Enterprise Manager is not able to connect to the database instance. The state of the components are listed below>

Database Instance :
Host		
navid-notebook
Port		
1521
SID		
OraDB1
Oracle Home		
C:\oracle\product\10.2.0\db_1

---------------------------------------------------
Listener:
Status		
Down
Host		
navid-notebook
Port		
1521
Name		
LISTENER
Oracle Home		
C:\oracle\product\10.2.0\db_1
Location		
C:\oracle\product\10.2.0\db_1\network\admin
Details		TNS-12541: TNS:no listener
----------------------------------------------------


Agent Connection to Instance:
Status		
Failed
Details		ORA-12541: TNS:no listener (DBD ERROR: OCIServerAttach)


could you please tell me what the problem is?

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3 Answers Found

 
Answer #1    Answered By: Geneva Morris     Answered On: Jul 16

You should first bring dbconsole up and make sure your DB instance  and listener is up and running.

lsnrctl start Listener
emctl start dbconsole

then you can use remote access through your browser.

 
Answer #2    Answered By: Fabia Ferrrari     Answered On: Jul 16

it would be more helpful to look into ora log files under oradata directory

 
Answer #3    Answered By: Anuja Shah     Answered On: Jul 16

this is j2ee list not oracle  forum :-)
by the way the problem  is in this part:

<<DetailsTNS-12541: TNS:no listener>>

probably you have not defined a correct TNS name or TNS listener for
your Oracle DB instance.
try using oracle net configuration assistance for solving the problem.

 
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