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PMGR6020E: Error connecting to adapter for Oracle

 
Arun Chalise
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posted 21 years ago
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Hi all,
I have been using DB2 until now for my datasource for a J2EE application in WASD V5. There has been no problem till now. But when I tried to change the datasource to Oracle 8.1.7 datasource, I am getting
PMGR6020E: Error connecting to adapter exception.
During mapping, I used a meet in the middle mapping, there was no problem. RMIC generation after mapping was also successful. I have corrrect binding to the ORACLE datasource in the deplyment descriptor. But when I run the application, there is exception thrown at the first call to the backend Oracle db server from the ejb code.
Please note that I had no problem using Oracle 8.1.7 datasource in WSAD V4. I notice that in WSAD V4, i had to specify the username and password for the oracle datasource in the server configuration. WSAD 5 doesn't require that.
Could some one please help me out. This very urgent as I am stuck at this point for past few days. Thank you very much in advance for your help.
The error trace:
-------------------------------------
 
Tom Winters
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posted 21 years ago
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I am getting the same error trying to run an EJB from the Universal test client. I am running WSAD 5.0 on Win 2000 and trying to connect to an Oracle Database running on AIX UNIX. I was able to connect to the database to create the EJB using a bottom up method. I can see all the methods in the UTC but blow up with the same error as above. My trace looks just the same so I will not post it. Any help would be greatly appreciated as I have been stuck on this problem for a week now. Thanks in advance.
 
riya s
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posted 21 years ago
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Do you have the classes12.zip file in the classpath ? I dont remember what error exactly buy had some database related errors when I tried connecting to oracle so I added the classes.12.zip to the bin and that worked..
 
riya s
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Do you have the classes12.zip file in the classpath ? I dont remember what error exactly buy had some database related errors when I tried connecting to oracle so I added the classes12.zip to the bin and that worked..
 
Byron Estes
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posted 21 years ago
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If you are still having the problem, I can probably help you out. Email me and I'll work you through it. I'm using 9i but I imagine it's not that different.
Regards,

Byron Estes<br />Sun Certified Enterprise Architect<br />Senior Consulant<br />Blackwell Consulting Services<br />Chicago, IL<br /><a href="http://www.bcsinc.com" target="_blank" rel="nofollow">www.bcsinc.com</a>

 
Arun Chalise
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Hi Byron,
I am still having the problem. could you please post on how to get rid of this error ? Because of this problem, I am developing with DB2 but since customer demands Oracle I have to move to Oracle as soon as possible. So please help me out.
Thanks a lot
arun chalise
 
Byron Estes
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posted 21 years ago
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I had a similar problem until I worked out the datasource configuration on my WSAD server configuration. I ended up adding a JAAS authentication userid/password for the Oracle 9i datasource (This may or may not be required...). The key, however, for my problem was getting the URL in the datasource correct.
For my datasource:
1) I filled in the database name.
2) Provided a URL in the correct format:
jdbcracle:thin:@localhost:1521:OEMREP

...where OEMREP is the service name, not the database.
3) gave in a portNumber: 1521
4) left the enableMultithreadedDetection set to false.
The key for me was the Service Name in the URL...
I started out using a sample database included with the Oracle 9i distribution. The service was OEMREP and contained a HR database/schema.
Before I completed this information correctly I received the same message that you are getting.
Good luck...
[ April 07, 2003: Message edited by: Byron Estes ]
[ April 07, 2003: Message edited by: Byron Estes ]
[ April 07, 2003: Message edited by: Byron Estes ]
[ April 07, 2003: Message edited by: Byron Estes ]

Byron Estes<br />Sun Certified Enterprise Architect<br />Senior Consulant<br />Blackwell Consulting Services<br />Chicago, IL<br /><a href="http://www.bcsinc.com" target="_blank" rel="nofollow">www.bcsinc.com</a>

 
Byron Estes
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posted 21 years ago
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The JAAS id/password IS required.

Byron Estes<br />Sun Certified Enterprise Architect<br />Senior Consulant<br />Blackwell Consulting Services<br />Chicago, IL<br /><a href="http://www.bcsinc.com" target="_blank" rel="nofollow">www.bcsinc.com</a>

 
Arun Chalise
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Hi Byron,
Thanks for your help. The problem for me was I was not using JAAS alias. For DB2 it was probably not required because DB2 was running on my machine and I had the administrator rights to it
which was not true for the Oracle datasource.
Thanks for your help.
Arun Chalise
 
Byron Estes
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posted 21 years ago
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No problem.

Byron Estes<br />Sun Certified Enterprise Architect<br />Senior Consulant<br />Blackwell Consulting Services<br />Chicago, IL<br /><a href="http://www.bcsinc.com" target="_blank" rel="nofollow">www.bcsinc.com</a>

 
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