RE: error accessing database from servlet

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The walk through a select result is different from a resultset

You must first go to the first element of the set. The first is
in position 1, while by default the set is at position 0.
Then you must use setCurrentRow to walk through the set.

Look at the following piece of code:

try {

        int i = 0;

        while (++i <= result.getNumRowsInCache()) {

                result.setCurrentRow(i);

                String potName = (String) result.getColumnValue("PotName");
                Double potBalance = (Double)
result.getColumnValue("PotBalance");

        }

} catch(com.ibm.db.DataException e) {

}

Always make sure to close the result once read, and release the connection
to the
pool. (use finally clause)

Gilles

-----Original Message-----
From: Clapham, Paul [mailto:pclapham@core-mark.com]
Sent: jeudi, 13. juin 2002 17:43
To: java400-l@midrange.com
Subject: RE: error accessing database from servlet


You will get "cursor not valid" if you try to use (e.g.) rs.getString()
before the first call to rs.next().  The stack trace you get should point
directly at the line of code that is causing the error, so look there first.

PC2

-----Original Message-----
From: Mihael Knezevic [mailto:m.knezevic@porta.de]
Sent: June 13, 2002 08:38
To: java400-l@midrange.com
Subject: AW: error accessing database from servlet


ok. did that. it uses the . to separate the lib from the file. but i get
a cursor not valid error. what could possibly be wrong? what does the
error mean?
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