Can you please provide more info on what is causing the problem? Is there a reproducible SQL script in IJ that can duplicate the problem? thanks, Mamta On 4/14/08, Templexp Tan wrote: > Hi, > > There are some problem like the following: > > > java.sql.SQLException: DERBY SQL error: SQLCODE: -1, SQLSTATE: XJ001, > SQLERRMC: java.lang.NullPointerExceptionXJ001.U > at > org.apache.derby.client.am.SQLExceptionFactory40.getSQLException(Unknown > Source) > at > org.apache.derby.client.am.SqlException.getSQLException(Unknown > Source) > at > org.apache.derby.client.am.Statement.executeQuery(Unknown > Source) > > > any idea how it happens? > > > Regards, > Temple >