Apr 08, 2016 5:04:58 PM FINEST com.ceilfors.jenkins.plugins.jiratrigger.webhook.JiraWebhook
Webhook event body:
Apr 08, 2016 5:04:58 PM FINEST com.ceilfors.jenkins.plugins.jiratrigger.webhook.JiraWebhook
{
    "timestamp": 1460135096626,
    "webhookEvent": "jira:issue_updated",
    "issue_event_type_name": "issue_generic",
    "user": {
........
........
........
"changelog": {
        "id": "12684",
        "items": [
            {
                "field": "resolution",
                "fieldtype": "jira",
                "from": null,
                "fromString": null,
                "to": "10000",
                "toString": "Done"
            },
            {
                "field": "status",
                "fieldtype": "jira",
                "from": "3",
                "fromString": "In Progress",
                "to": "10002",
                "toString": "Done"
            }
        ]
    }
}
Apr 08, 2016 5:04:58 PM FINE com.ceilfors.jenkins.plugins.jiratrigger.webhook.JiraWebhook
Received Webhook callback from changelog. Event type: jira:issue_updated
Apr 08, 2016 5:04:58 PM FINE com.ceilfors.jenkins.plugins.jiratrigger.JiraTriggerExecutor
Couldn't find any projects that have JiraChangelogTrigger configured

import com.ceilfors.jenkins.plugins.jiratrigger.JiraChangelogTrigger

projects = Jenkins.instance.getAllItems(AbstractProject).findAll { it.getTrigger(JiraChangelogTrigger) }
println(projects)

Result

[hudson.model.FreeStyleProject@44a9508c[test]]