Script to Resolve all currently Open subtasks.

import com.atlassian.jira.component.ComponentAccessor

def issueService = ComponentAccessor.getIssueService()
def user = ComponentAccessor.getJiraAuthenticationContext().getLoggedInUser()

def subTasks = issue.getSubTaskObjects()
subTasks.each {
    if ( == "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.")

        // validate and transition subtask
        def validationResult = issueService.validateTransition(user,, 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}")

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