Raise an event from a new Thread

[JordanJ]

I've created a listener and throw an event.  The listener displays a notification.  This works fine until I dispatch the event from within the new thread.  

Listener:

def flag = [
type: "info", //Other possible options are "info", "success", "error"
body: "${event["params"]["issue"]}",
close: "manual",
title: "Epic Cloning in progress"
]
com.onresolve.scriptrunner.runner.util.UserMessageUtil.flag(flag)

UserMessageUtil is a wrapper for Atlassian UI (AUI) - Flag

Script to throw event:

This works:

IssueEventManager issueEventM = ComponentAccessor.getIssueEventManager()
IssueEventBundleFactory issueEventFactory = (IssueEventBundleFactory) ComponentAccessor.getComponent(IssueEventBundleFactory.class)

IssueEventBundle eventBundle = issueEventFactory.wrapInBundle(new IssueEvent(epic, ["issue": epic], user, 10001, false))
issueEventM.dispatchEvent(eventBundle)

This doesn't:

Thread.start {
JiraThreadLocalUtils.preCall();

IssueEventManager issueEventM = ComponentAccessor.getIssueEventManager()
IssueEventBundleFactory issueEventFactory = (IssueEventBundleFactory) ComponentAccessor.getComponent(IssueEventBundleFactory.class)

IssueEventBundle eventBundle = issueEventFactory.wrapInBundle(new IssueEvent(epic, ["issue": epic], user, 10001, false))
issueEventM.dispatchEvent(eventBundle)

JiraThreadLocalUtils.postCall()
}

How can I raise the event from within the thread?