I developed a small Java based utility to do some DB related processing. The utility works fine when I run it locally (on a PC) and access a database on my laptop. However, when I configure the utility to run locally but access a database on a Unix workstation. I get the following error.

COM.ibm.db2.jdbc.DB2Exception: [IBM][JDBC Driver] CLI0621E Unsupported JDBC Server configuration.
at COM.ibm.db2.jdbc.net.SQLExceptionGenerator.check_r eturn_code(Unknown Source)
at COM.ibm.db2.jdbc.net.DB2Connection.SQLConnect(Unkn own Source)
at COM.ibm.db2.jdbc.net.DB2Connection.SQLConnect(Unkn own Source)
at COM.ibm.db2.jdbc.net.DB2Connection.create(Unknown Source)
at COM.ibm.db2.jdbc.net.DB2Connection.<init>(Unknown Source)
at COM.ibm.db2.jdbc.net.DB2Driver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(DriverManager .java:543)
at java.sql.DriverManager.getConnection(DriverManager .java:194)
at com.wb.rpttrk.DBUtil.GetConnection(DBUtil.java:671 )
at com.wb.rpttrk.DBUtil.Demo(DBUtil.java:737)
at com.wb.rpttrk.DBUtil.main(DBUtil.java:140)
java.lang.NullPointerException
at com.wb.rpttrk.DBUtil.Execute(DBUtil.java:689)
at com.wb.rpttrk.DBUtil.Demo(DBUtil.java:739)
at com.wb.rpttrk.DBUtil.main(DBUtil.java:140)



Is there something special that I need to do for server to server communications? Any thought, comments and tips would be appreciated.

It sounds like you have a mismatch between drivers on the server and your workstation. If the server is configured for jdbc2 then your client should use jdbc2 as well.

How can I determine which version is running on my the server?

I work in a Windows environment (UDB 7.2) so there may be differences.

In windows there's a file ..\sqllib\java12\inuse which indicates jdbc 1 or 2. The db2java.zip file actually in use is in ..\sqllib\java

Thanks Jay,

Your comments were insightful and helpled me out... .. . I now have connectivity.