alphan arslan [https://community.jboss.org/people/aalphan] created the discussion "Re: PermissionDeniedException on task Claim" To view the discussion, visit: https://community.jboss.org/message/732357#732357 -------------------------------------------------------------- Hi José Maybe its too late but i wanna share my solution for others I had the same issue but i solve the problem by adding modified org/jbpm/task/service/operations-dsl.mvel file to the classpath You can change the operation requirements with this file Operation.Claim         : [ new OperationCommand().{                 status = [ Status.Ready,Status.Reserved ],                 allowed = [Allowed.Anyone, Allowed.PotentialOwner, Allowed.BusinessAdministrator ],                    setNewOwnerToUser = true,                           newStatus = Status.Reserved             } ], this solved my problem In an other way you can extend TaskService by changing the Map<Operation, List<OperationCommand>> operations field and use this with the TaskServer implementations regards -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/732357#732357] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]