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#1 (**permalink**) 02-27-2008, 03:27 AM

I am trying to execute a basic Java program in Open MVS on an OS/390 system.
The program compiles fine but when I go to execute it, it can't find the
JDBC driver. I've tried using both ibm.sql.DB2Driver and
COM.ibm.db2os390.sqlj.jdbc.DB2SQLJDriver but both fail on a
ClassNotFoundException.

Where should this driver be?

This is the first Java program I've ever attempted on the mainframe - I've
got several years of experience with Java on Windows - and the staff here
doesn't know much about Java. It's very possible that Java is not fully set
up on this mainframe. I can't find anything on the placement of the driver
in the manuals; the Installation Guide refers me to DB2 UDB for OS/390 V6
Application Programming Guide and Reference for Java but that manual doesn't
talk about install issues for Java at all.

I'm running DB2 for OS/390 Version 6. The OS/390 system is running V2R10.

Can anyone point me in the right direction?

--
Rhino

#2 (**permalink**) 02-27-2008, 03:27 AM

"Rhino" <rhino1@NOSPAM.sympatico.ca> wrote in message
news:%uR7e.6406$MZ2.916351@news20.bellglobal.com.. .
> I am trying to execute a basic Java program in Open MVS on an OS/390
system.
> The program compiles fine but when I go to execute it, it can't find the
> JDBC driver. I've tried using both ibm.sql.DB2Driver and
> COM.ibm.db2os390.sqlj.jdbc.DB2SQLJDriver but both fail on a
> ClassNotFoundException.
>
> Where should this driver be?
>
> This is the first Java program I've ever attempted on the mainframe - I've
> got several years of experience with Java on Windows - and the staff here
> doesn't know much about Java. It's very possible that Java is not fully
set
> up on this mainframe. I can't find anything on the placement of the driver
> in the manuals; the Installation Guide refers me to DB2 UDB for OS/390 V6
> Application Programming Guide and Reference for Java but that manual
doesn't
> talk about install issues for Java at all.
>
> I'm running DB2 for OS/390 Version 6. The OS/390 system is running V2R10.
>
> Can anyone point me in the right direction?
>

Just to follow up on my own post, I must have been using the wrong search
terms in Book Manager; as soon as I tried the Application Programming Guide
and Reference for Java again, I found the install steps in Chapter 7. I hate
when that happens ;-)

Anyway, it appears that the install of the Java support for DB2 has never
been done on this system; the /usr/lpp/db2 directory is completely empty.
Looks like I'm going to have to get the system administrator to do a bit of
installing ;-)

Sorry to waste anyone's time....

Rhino

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Java on DB2 for OS/390