A Problem with accessing to a Oracle Database

When i try to obtain data from the a database in an Oracle Server, i cannot obtain the data fromthe server, I made the same using the example with LoanBean using the derby client, but I cannot do the same with Oracle.
The result of this is:
java.lang.NullPointerException
and the code:
if (rightName.equals(user.getText() && (rightPass.equals(pass.getText()))
Please, help me.

Hi Ivan,
Are you sure that is't Oracle problem? How code you specified is related to Oracle?
Find out which of variables is null. It cab be easily done with operators like
info("rightName="+rightName);
before operator you specify.
Another way is to use debugger.
Thanks, Misha
(Creator team)

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    Thanks for your help with this. So far everyone's pretty stumped.
    It seems to be a problem that grows in the database, like something is leaking. We've been able to track it down to seeing that it starts happening on one particular call on a page we use for lookups, though if it is left alone it seems to grow until it encompasses anything on the HTMLDB server. We've got a SR open with Oracle, just waiting on some movement.
    The keepalives may be unrelated, but it's worth a look while we're waiting for a break. Thanks for the suggestion.
    I am still hoping that either Oracle can find the earlier SR and use it as a starting point, or someone involved from earlier checks back in.
    Thanks again for your help, I'll let you know what happens.
    Thanks,
    Justin

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