Error in connection

By: Jorge Orlando Castelluccio - jcaste
Error in connection
2003-04-09 11:31
please help me...

stack trace

java.lang.IncompatibleClassChangeError()
java.lang.AbstractMethodError()
dori.jasper.engine.JasperPrint dori.jasper.engine.fill.JRBaseFiller.fill(java.util.Map, java.sql.Connection)
dori.jasper.engine.JasperPrint dori.jasper.engine.fill.JRBaseFiller.fill(java.util.Map, java.sql.Connection)
dori.jasper.engine.JasperPrint dori.jasper.engine.fill.JRFiller.fillReport(dori.jasper.engine.JasperReport, java.util.Map, java.sql.Connection)
dori.jasper.engine.JasperPrint dori.jasper.engine.JasperFillManager.fillReport(dori.jasper.engine.JasperReport, java.util.Map, java.sql.Connection)
dori.jasper.engine.JasperPrint dori.jasper.engine.JasperManager.fillReport(dori.jasper.engine.JasperReport, java.util.Map, java.sql.Connection)