import com.atlassian.jira.component.ComponentAccessor
def issueService = ComponentAccessor.getIssueService()def user = ComponentAccessor.getJiraAuthenticationContext().getLoggedInUser()def subTasks = issue.getSubTaskObjects()
subTasks.each {if(it.statusObject.name =="Open"){def issueInputParameters = issueService.newIssueInputParameters()
issueInputParameters.with {setResolutionId("1")// resolution of "Fixed"setComment("*Resolving* as a result of the *Resolve* action being applied to the parent.")setSkipScreenCheck(true)}// validate and transition subtaskdef validationResult = issueService.validateTransition(user, it.id,5, issueInputParameters)if(validationResult.isValid()){def issueResult = issueService.transition(user, validationResult)if(!issueResult.isValid()){
log.warn("Failed to transition subtask ${it.key}, errors: ${issueResult.errorCollection}")}}else{
log.warn("Could not transition subtask ${it.key}, errors: ${validationResult.errorCollection}")}}}