ServletException in JSPGenerator.generate()

[Elvira Nieto Carretero]

This error ocurr frecuently but in list mailing what i visited isn't the definitive solution.   Only i found to copy jasper-compiler.jar in /WEB-INF/lib/ but it don't succeed.   Any idea?   Thanks   Best desires   --    Elvira Nieto Carretero    Isotrol, S.A.   ---------------------------------------------------------------------------------   Sadiel, S.A.   Pabell�n de Espa�a   Avda. de los Descubrimientos s/n, Isla de la Cartuja   41092 SEVILLA   Spain   Tel.: +34 955 02 40 56   Correo-e: [EMAIL PROTECTED]   Correo-e: [EMAIL PROTECTED]