DBAT Connector throwing Null Pointer Exception while Disabling User Account - ICProvisioningManager : doUpdate : Error while updating user java.lang.NullPointerException

Issue -

             ICProvisioningManager : doUpdate : Error while updating user 

                java.lang.NullPointerException

                at oracle.iam.connectors.icfcommon.prov.ICProvisioningManager.doUpdate(ICProvisioningManager.java:640)

                at oracle.iam.connectors.icfcommon.prov.ICProvisioningManager.doEnable(ICProvisioningManager.java:619)

                at oracle.iam.connectors.icfcommon.prov.ICProvisioningManager.disableUser(ICProvisioningManager.java:553)

Solution -

OIM expects UID as an object to be returned From groovy script. SO add the below line in your groovy script at the end - 

return new Uid(uid); 

Replace uid with the user id attribute in your groovy script.