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DB2 driver exception

Posted on 2004-04-23
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Last Modified: 2010-03-31
I am getting this exception.

java.lang.ClassNotFoundException: COM.ibm.db2.jdbc.net.DB2Driver.


I have made sure that the db2jcc.jar is in ClassPath, but I am still getting the exception. ANy help is really appreciated.
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Question by:dkathuria
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14 Comments
 
LVL 86

Expert Comment

by:CEHJ
ID: 10904624
You'll probably find that nonetheless is is NOT in your classpath. Put the jar in jre/lib/ext directory of your runtime and you won't need to worry about the classpath
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LVL 92

Expert Comment

by:objects
ID: 10904845
what are u running when u get the exception?
If its a container such as tomcat then put your jar in <webapp>/WEB-INF/lib
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LVL 92

Expert Comment

by:objects
ID: 10904848
And make sure yu have specified the correct classname.
Perhaps it should be:

com.ibm.db2.jdbc.net.DB2Driver
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Author Comment

by:dkathuria
ID: 10904889
Tried as you said, but still no luck
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LVL 92

Expert Comment

by:objects
ID: 10904940
so what exactly are you running when u get the exception?
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LVL 86

Expert Comment

by:CEHJ
ID: 10904959
Are you sure that class is in that jar? List it to find out:

jar tvf db2jcc.jar
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Author Comment

by:dkathuria
ID: 10905225
I could n't find COM.ibm.db2.jdbc.net.DB2Driver in db2jcc.jar. But I thought thats where this driver supposed to be. Any idea in which package this driver foing to be in?

Thanks
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LVL 86

Expert Comment

by:CEHJ
ID: 10905242
That's the reason for the error then. Not sure about that db. All i can suggest is looking in all the jars that come with the db or are associated with it
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LVL 92

Accepted Solution

by:
objects earned 152 total points
ID: 10905283
how exactly are you using it?
this may help you:
http://www-306.ibm.com/software/data/pubs/papers/sqlj/
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LVL 86

Assisted Solution

by:CEHJ
CEHJ earned 148 total points
ID: 10905340
Be careful when you're checking that jar. This Java example (towards the bottom) suggests the driver *is* in that jar:

http://www-106.ibm.com/developerworks/db2/library/techarticle/dm-0401chong/index.html
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Expert Comment

by:btobin1
ID: 10907071
Actually the link given by CEHJ says that the driver is NOT in db2jcc.jar, but rather:

The DB2 UDB type 3 driver is stored in file db2java.zip under sqllib\java (the same file as for the type 2 App driver)
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LVL 86

Expert Comment

by:CEHJ
ID: 10907098
Depends what driver we're talking about:

>>
The DB2 type 2 Universal driver is stored in file db2jcc.jar under sqllib\java


The DB2 type 4 Universal driver is stored in file db2jcc.jar under sqllib\java (This Universal Driver implements Type 2 and Type 4 drivers). Type 4 only works with the TCP/IP protocol


The DB2 type 2 App driver is stored in file db2java.zip under sqllib\java
>>

To cover all bases, rename db2java.zip (if you have that file) to db2java.jar and place it in the ext directory where i mentioned before
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