Hi.. I need pass a parameter to invoke a report, store in jasperver machine, the code is like this: http://localhost:8080/jasperserver/flow.html?_flowId=viewReportFlow&reportUnit=/reports/VEHICLE_REPORT%20&output=pdf This work ok.. but the report has 1 parameters called (ID_VEHICLE) inside of sql query, I need pass one value to that parameter.. HOW do That?? I'm using jasperserver 1.2.1.. Thank's.. PD: I have to this link: http://localhost:8080/jasperserver/flow.html?_flowId=viewReportFlow&reportUnit=/reports/VEHICLE_REPORT%20&output=pdf&j_acegi_security_check?j_username=jasperadmin&password=password_here But send me the next error: org.acegisecurity.AccessDeniedException: Access is denied Thank's..