W4XCompatibilityServicesFixedLengthInputfixedLengthInput Service

Hi,

Task details,

Migrating wm4.x Broker to wm6.5 IS (Windows XP OS).

Applied webMethodsUpgradeUtility_6-0-1_Fix6

Extracted the Broker code to IS Package using EnterpriseUpgradeUtility 6.0.1

We have are facing problem in W4XCompatibilityServices.FixedLengthInput:fixedLengthInput Service,There is no Output result (& No Errors) for fixedLengthInput when executed.
Parameters for the Service has been set w.r.t Service in Enterpise File I/O (4.1 version) fixedLengthInput Service.

Could anyone give tips on this issue.

Thanks,