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Cannot deserialize IssueField coming from webhook event

D. U.
D. U. January 22, 2018

 

I created a JIRA bug and sent the subsequent generated event to a SpringBoot a via webhook. That works so far. In the SpringBoot app I tried to deserialize the received JSON. To achieve this I have an IssueEvent class which has an Issue field:

package my.package.domain.jira.entity;

import java.io.Serializable;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.atlassian.jira.rest.client.api.domain.ChangelogGroup;
import com.atlassian.jira.rest.client.api.domain.Issue;
import com.atlassian.jira.rest.client.api.domain.User;

/**
 * RootObject JSON
 *
 */
public class IssueEvent implements Serializable {
 /**
 * 
 */
 private static final long serialVersionUID = 4467263405878138432L;
 
 private Long timestamp;
 private String webhookEvent;
 @JsonProperty("issue_event_type_name")
 private String issueEventTypeName;
 private User user;
 private Issue issue;
// private Changelog changelog;
 private ChangelogGroup changelog;
...
}

Here's the JSON generated by JIRA when creating a bug/issue:

{
 "timestamp": 1516646881687,
 "webhookEvent": "jira:issue_created",
 "issue_event_type_name": "issue_created",
 "user": {
 "self": "http://localhost:9090/rest/api/2/user?username=bla",
 "name": "bla",
 "key": "abla",
 "emailAddress": "a.b@xyz.com",
 "avatarUrls": {
 "48x48": "http://localhost:9090/secure/useravatar?avatarId=10336",
 "24x24": "http://localhost:9090/secure/useravatar?size=small&avatarId=10336",
 "16x16": "http://localhost:9090/secure/useravatar?size=xsmall&avatarId=10336",
 "32x32": "http://localhost:9090/secure/useravatar?size=medium&avatarId=10336"
 },
 "displayName": "bla",
 "active": true,
 "timeZone": "Europe/Berlin"
 },
 "issue": {
 "id": "10610",
 "self": "http://localhost:9090/rest/api/2/issue/10610",
 "key": "COVA-77",
 "fields": {
 "issuetype": {
 "self": "http://localhost:9090/rest/api/2/issuetype/10004",
 "id": "10004",
 "description": "Ein Problem, das die Funktionen des Produkts beeinträchtigt oder verhindert.",
 "iconUrl": "http://localhost:9090/secure/viewavatar?size=xsmall&avatarId=10303&avatarType=issuetype",
 "name": "Bug",
 "subtask": false,
 "avatarId": 10303
 },
 "components": [],
 "timespent": null,
 "timeoriginalestimate": null,
 "description": "Teeest",
 "project": {
 "self": "http://localhost:9090/rest/api/2/project/10000",
 "id": "10000",
 "key": "COVA",
 "name": "CoVA",
 "avatarUrls": {
 "48x48": "http://localhost:9090/secure/projectavatar?avatarId=10324",
 "24x24": "http://localhost:9090/secure/projectavatar?size=small&avatarId=10324",
 "16x16": "http://localhost:9090/secure/projectavatar?size=xsmall&avatarId=10324",
 "32x32": "http://localhost:9090/secure/projectavatar?size=medium&avatarId=10324"
 }
 },
 "fixVersions": [
 {
 "self": "http://localhost:9090/rest/api/2/version/10000",
 "id": "10000",
 "name": "Version 1.0",
 "archived": false,
 "released": true,
 "releaseDate": "2017-11-29"
 }
 ],
 "aggregatetimespent": null,
 "resolution": null,
 "timetracking": {},
 "customfield_10005": "0|i000dj:",
 "attachment": [],
 "aggregatetimeestimate": null,
 "resolutiondate": null,
 "workratio": -1,
 "summary": "Bug-Tester",
 "lastViewed": null,
 "watches": {
 "self": "http://localhost:9090/rest/api/2/issue/COVA-77/watchers",
 "watchCount": 0,
 "isWatching": false
 },
 "creator": {
 "self": "http://localhost:9090/rest/api/2/user?username=bla",
 "name": "bla",
 "key": "abla",
 "emailAddress": "a.b@xyz.com",
 "avatarUrls": {
 "48x48": "http://localhost:9090/secure/useravatar?avatarId=10336",
 "24x24": "http://localhost:9090/secure/useravatar?size=small&avatarId=10336",
 "16x16": "http://localhost:9090/secure/useravatar?size=xsmall&avatarId=10336",
 "32x32": "http://localhost:9090/secure/useravatar?size=medium&avatarId=10336"
 },
 "displayName": "bla",
 "active": true,
 "timeZone": "Europe/Berlin"
 },
 "subtasks": [],
 "created": "2018-01-22T19:48:01.494+0100",
 "reporter": {
 "self": "http://localhost:9090/rest/api/2/user?username=bla",
 "name": "bla",
 "key": "blabla",
 "emailAddress": "a.b@xyz.com",
 "avatarUrls": {
 "48x48": "http://localhost:9090/secure/useravatar?avatarId=10336",
 "24x24": "http://localhost:9090/secure/useravatar?size=small&avatarId=10336",
 "16x16": "http://localhost:9090/secure/useravatar?size=xsmall&avatarId=10336",
 "32x32": "http://localhost:9090/secure/useravatar?size=medium&avatarId=10336"
 },
 "displayName": "bla",
 "active": true,
 "timeZone": "Europe/Berlin"
 },
 "customfield_10000": null,
 "aggregateprogress": {
 "progress": 0,
 "total": 0
 },
 "priority": {
 "self": "http://localhost:9090/rest/api/2/priority/3",
 "iconUrl": "http://localhost:9090/images/icons/priorities/medium.svg",
 "name": "Medium",
 "id": "3"
 },
 "labels": [
 "Bug",
 "Test"
 ],
 "customfield_10004": [
 "com.atlassian.greenhopper.service.sprint.Sprint@327e23ff[id=1,rapidViewId=1,state=ACTIVE,name=Sample Sprint 2,startDate=2017-11-30T02:29:06.805+01:00,endDate=2017-12-14T02:49:06.805+01:00,completeDate=<null>,sequence=1,goal=<null>]"
 ],
 "environment": "Buuuug",
 "timeestimate": null,
 "aggregatetimeoriginalestimate": null,
 "versions": [
 {
 "self": "http://localhost:9090/rest/api/2/version/10000",
 "id": "10000",
 "name": "Version 1.0",
 "archived": false,
 "released": true,
 "releaseDate": "2017-11-29"
 }
 ],
 "duedate": null,
 "progress": {
 "progress": 0,
 "total": 0
 },
 "comment": {
 "comments": [],
 "maxResults": 0,
 "total": 0,
 "startAt": 0
 },
 "issuelinks": [
 {
 "id": "10410",
 "self": "http://localhost:9090/rest/api/2/issueLink/10410",
 "type": {
 "id": "10000",
 "name": "Blocks",
 "inward": "is blocked by",
 "outward": "blocks",
 "self": "http://localhost:9090/rest/api/2/issueLinkType/10000"
 },
 "outwardIssue": {
 "id": "10609",
 "key": "COVA-76",
 "self": "http://localhost:9090/rest/api/2/issue/10609",
 "fields": {
 "summary": "254z245z245z2",
 "status": {
 "self": "http://localhost:9090/rest/api/2/status/10000",
 "description": "",
 "iconUrl": "http://localhost:9090/",
 "name": "Aufgaben",
 "id": "10000",
 "statusCategory": {
 "self": "http://localhost:9090/rest/api/2/statuscategory/2",
 "id": 2,
 "key": "new",
 "colorName": "blue-gray",
 "name": "Aufgaben"
 }
 },
 "priority": {
 "self": "http://localhost:9090/rest/api/2/priority/3",
 "iconUrl": "http://localhost:9090/images/icons/priorities/medium.svg",
 "name": "Medium",
 "id": "3"
 },
 "issuetype": {
 "self": "http://localhost:9090/rest/api/2/issuetype/10004",
 "id": "10004",
 "description": "Ein Problem, das die Funktionen des Produkts beeinträchtigt oder verhindert.",
 "iconUrl": "http://localhost:9090/secure/viewavatar?size=xsmall&avatarId=10303&avatarType=issuetype",
 "name": "Bug",
 "subtask": false,
 "avatarId": 10303
 }
 }
 }
 }
 ],
 "votes": {
 "self": "http://localhost:9090/rest/api/2/issue/COVA-77/votes",
 "votes": 0,
 "hasVoted": false
 },
 "worklog": {
 "startAt": 0,
 "maxResults": 20,
 "total": 0,
 "worklogs": []
 },
 "assignee": null,
 "updated": "2018-01-22T19:48:01.494+0100",
 "status": {
 "self": "http://localhost:9090/rest/api/2/status/10000",
 "description": "",
 "iconUrl": "http://localhost:9090/",
 "name": "Aufgaben",
 "id": "10000",
 "statusCategory": {
 "self": "http://localhost:9090/rest/api/2/statuscategory/2",
 "id": 2,
 "key": "new",
 "colorName": "blue-gray",
 "name": "Aufgaben"
 }
 }
 }
 },
 "changelog": {
 "id": "10720",
 "items": [
 {
 "field": "Link",
 "fieldtype": "jira",
 "from": null,
 "fromString": null,
 "to": "COVA-76",
 "toString": "This issue blocks COVA-76"
 }
 ]
 }
}


 

Since the JIRA classes don't have a prameterless default constructors I tried to use Mixins. It works well for the User but seems not for Issue class:

package my.package.domain.jira.util;

import java.net.URI;
import java.util.Collection;
import java.util.Set;

import org.joda.time.DateTime;

import com.atlassian.jira.rest.client.api.domain.Attachment;
import com.atlassian.jira.rest.client.api.domain.BasicComponent;
import com.atlassian.jira.rest.client.api.domain.BasicPriority;
import com.atlassian.jira.rest.client.api.domain.BasicProject;
import com.atlassian.jira.rest.client.api.domain.BasicVotes;
import com.atlassian.jira.rest.client.api.domain.BasicWatchers;
import com.atlassian.jira.rest.client.api.domain.ChangelogGroup;
import com.atlassian.jira.rest.client.api.domain.Comment;
import com.atlassian.jira.rest.client.api.domain.IssueField;
import com.atlassian.jira.rest.client.api.domain.IssueLink;
import com.atlassian.jira.rest.client.api.domain.IssueType;
import com.atlassian.jira.rest.client.api.domain.Operations;
import com.atlassian.jira.rest.client.api.domain.Resolution;
import com.atlassian.jira.rest.client.api.domain.Status;
import com.atlassian.jira.rest.client.api.domain.Subtask;
import com.atlassian.jira.rest.client.api.domain.TimeTracking;
import com.atlassian.jira.rest.client.api.domain.User;
import com.atlassian.jira.rest.client.api.domain.Version;
import com.atlassian.jira.rest.client.api.domain.Worklog;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

/**
 *
 */
public abstract class IssueMixin {
 @JsonCreator
 public IssueMixin(@JsonProperty("summary") String summary, @JsonProperty("self") URI self, @JsonProperty("key") String key, 
 @JsonProperty("id") Long id, @JsonProperty("project") BasicProject project, @JsonProperty("issueType") IssueType issueType, 
 @JsonProperty("status") Status status, @JsonProperty("description") String description, @JsonProperty("priority") BasicPriority priority, 
 @JsonProperty("resolution") Resolution resolution, @JsonProperty("attachments") Collection<Attachment> attachments, @JsonProperty("reporter") User reporter, 
 @JsonProperty("assignee") User assignee, @JsonProperty("creationDate") DateTime creationDate, @JsonProperty("updateDate") DateTime updateDate, 
 @JsonProperty("dueDate") DateTime dueDate, @JsonProperty("affectedVersion") Collection<Version> affectedVersion, 
 @JsonProperty("fixVersions") Collection<Version> fixVersions, @JsonProperty("components") Collection<BasicComponent> components, 
 @JsonProperty("timeTracking") TimeTracking timeTracking, @JsonProperty("fields") Collection<IssueField> issueFields, 
 @JsonProperty("comments") Collection<Comment> comments, @JsonProperty("transitionsUri") URI transitionsUri, 
 @JsonProperty("issueLinks") Collection<IssueLink> issueLinks, @JsonProperty("votes") BasicVotes votes, @JsonProperty("worklogs") Collection<Worklog> worklogs, 
 @JsonProperty("watchers") BasicWatchers watchers, @JsonProperty("expandos") Iterable<String> expandos, @JsonProperty("subtasks") Collection<Subtask> subtasks, 
 @JsonProperty("changelog") Collection<ChangelogGroup> changelog, @JsonProperty("operations") Operations operations, @JsonProperty("labels") Set labels ) {}
}

 This Mixin matches exactly the constructor of class Issue from package com.atlassian.jira.rest.client.api.domain.

I get the following Exception:

com.fasterxml.jackson.databind.JsonMappingException: Can not deserialize instance of java.util.ArrayList out of START_OBJECT token
 at [Source: {
 "timestamp": 1516692474575,
 "webhookEvent": "jira:issue_created",
 "issue_event_type_name": "issue_created",
 "user": {
 "self": "http://localhost:9090/rest/api/2/user?username=bla",
 "name": "bla",
 "key": "abla",
 "emailAddress": "a.b@xyz.com",
 "avatarUrls": {
 "48x48": "http://localhost:9090/secure/useravatar?avatarId=10336",
 "24x24": "http://localhost:9090/secure/useravatar?size=small&avatarId=10336",
 "16x16": "http://localhost:9090/secure/useravatar?size=xsmall&avatarId=10336",
 "32x32": "http://localhost:9090/secure/useravatar?size=medium&avatarId=10336"
 },
 "displayName": "bla",
 "active": true,
 "timeZone": "Europe/Berlin"
 },
 "issue": {
 "id": "10623",
 "self": "http://localhost:9090/rest/api/2/issue/10623",
 "key": "COVA-90",
 "fields": {
 "issuetype": {
 "self": "http://localhost:9090/rest/api/2/issuetype/10004",
 "id": "10004",
 "description": "Ein Problem, das die Funktionen des Produkts beeinträchtigt oder verhindert.",
 "iconUrl": "http://localhost:9090/secure/viewavatar?size=xsmall&avatarId=10303&avatarType=issuetype",
 "name": "Bug",
 "subtask": false,
 "avatarId": 10303
 },
 "components": [],
 "timespent": null,
 "timeoriginalestimate": null,
 "description": "dhmedhmed",
 "project": {
 "self": "http://localhost:9090/rest/api/2/project/10000",
 "id": "10000",
 "key": "COVA",
 "name": "CoVA",
 "avatarUrls": {
 "48x48": "http://localhost:9090/secure/projectavatar?avatarId=10324",
 "24x24": "http://localhost:9090/secure/projectavatar?size=small&avatarId=10324",
 "16x16": "http://localhost:9090/secure/projectavatar?size=xsmall&avatarId=10324",
 "32x32": "http://localhost:9090/secure/projectavatar?size=medium&avatarId=10324"
 }
 },
 "fixVersions": [
 {
 "self": "http://localhost:9090/rest/api/2/version/10000",
 "id": "10000",
 "name": "Version 1.0",
 "archived": false,
 "released": true,
 "releaseDate": "2017-11-29"
 }
 ],
 "aggregatetimespent": null,
 "resolution": null,
 "timetracking": {},
 "customfield_10005": "0|i000gf:",
 "attachment": [],
 "aggregatetimeestimate": null,
 "resolutiondate": null,
 "workratio": -1,
 "summary": "jrzj",
 "lastViewed": null,
 "watches": {
 "self": "http://localhost:9090/rest/api/2/issue/COVA-90/watchers",
 "watchCount": 0,
 "isWatching": false
 },
 "creator": {
 "self": "http://localhost:9090/rest/api/2/user?username=bla",
 "name": "bla",
 "key": "abla",
 "emailAddress": "a.b@xyz.com",
 "avatarUrls": {
 "48x48": "http://localhost:9090/secure/useravatar?avatarId=10336",
 "24x24": "http://localhost:9090/secure/useravatar?size=small&avatarId=10336",
 "16x16": "http://localhost:9090/secure/useravatar?size=xsmall&avatarId=10336",
 "32x32": "http://localhost:9090/secure/useravatar?size=medium&avatarId=10336"
 },
 "displayName": "bla",
 "active": true,
 "timeZone": "Europe/Berlin"
 },
 "subtasks": [],
 "created": "2018-01-23T08:27:54.388+0100",
 "reporter": {
 "self": "http://localhost:9090/rest/api/2/user?username=bla",
 "name": "bla",
 "key": "abla",
 "emailAddress": "a.b@xyz.com",
 "avatarUrls": {
 "48x48": "http://localhost:9090/secure/useravatar?avatarId=10336",
 "24x24": "http://localhost:9090/secure/useravatar?size=small&avatarId=10336",
 "16x16": "http://localhost:9090/secure/useravatar?size=xsmall&avatarId=10336",
 "32x32": "http://localhost:9090/secure/useravatar?size=medium&avatarId=10336"
 },
 "displayName": "bla",
 "active": true,
 "timeZone": "Europe/Berlin"
 },
 "customfield_10000": null,
 "aggregateprogress": {
 "progress": 0,
 "total": 0
 },
 "priority": {
 "self": "http://localhost:9090/rest/api/2/priority/3",
 "iconUrl": "http://localhost:9090/images/icons/priorities/medium.svg",
 "name": "Medium",
 "id": "3"
 },
 "labels": [
 "Test",
 "Bug"
 ],
 "customfield_10004": [
 "com.atlassian.greenhopper.service.sprint.Sprint@14d495fe[id=1,rapidViewId=1,state=ACTIVE,name=Sample Sprint 2,startDate=2017-11-30T02:29:06.805+01:00,endDate=2017-12-14T02:49:06.805+01:00,completeDate=<null>,sequence=1,goal=<null>]"
 ],
 "environment": "dghndghmnedghmn",
 "timeestimate": null,
 "aggregatetimeoriginalestimate": null,
 "versions": [
 {
 "self": "http://localhost:9090/rest/api/2/version/10000",
 "id": "10000",
 "name": "Version 1.0",
 "archived": false,
 "released": true,
 "releaseDate": "2017-11-29"
 }
 ],
 "duedate": null,
 "progress": {
 "progress": 0,
 "total": 0
 },
 "comment": {
 "comments": [],
 "maxResults": 0,
 "total": 0,
 "startAt": 0
 },
 "issuelinks": [
 {
 "id": "10421",
 "self": "http://localhost:9090/rest/api/2/issueLink/10421",
 "type": {
 "id": "10000",
 "name": "Blocks",
 "inward": "is blocked by",
 "outward": "blocks",
 "self": "http://localhost:9090/rest/api/2/issueLinkType/10000"
 },
 "outwardIssue": {
 "id": "10616",
 "key": "COVA-83",
 "self": "http://localhost:9090/rest/api/2/issue/10616",
 "fields": {
 "summary": "fj,t.uoöpuz.ötultl",
 "status": {
 "self": "http://localhost:9090/rest/api/2/status/10000",
 "description": "",
 "iconUrl": "http://localhost:9090/",
 "name": "Aufgaben",
 "id": "10000",
 "statusCategory": {
 "self": "http://localhost:9090/rest/api/2/statuscategory/2",
 "id": 2,
 "key": "new",
 "colorName": "blue-gray",
 "name": "Aufgaben"
 }
 },
 "priority": {
 "self": "http://localhost:9090/rest/api/2/priority/3",
 "iconUrl": "http://localhost:9090/images/icons/priorities/medium.svg",
 "name": "Medium",
 "id": "3"
 },
 "issuetype": {
 "self": "http://localhost:9090/rest/api/2/issuetype/10004",
 "id": "10004",
 "description": "Ein Problem, das die Funktionen des Produkts beeinträchtigt oder verhindert.",
 "iconUrl": "http://localhost:9090/secure/viewavatar?size=xsmall&avatarId=10303&avatarType=issuetype",
 "name": "Bug",
 "subtask": false,
 "avatarId": 10303
 }
 }
 }
 }
 ],
 "votes": {
 "self": "http://localhost:9090/rest/api/2/issue/COVA-90/votes",
 "votes": 0,
 "hasVoted": false
 },
 "worklog": {
 "startAt": 0,
 "maxResults": 20,
 "total": 0,
 "worklogs": []
 },
 "assignee": null,
 "updated": "2018-01-23T08:27:54.388+0100",
 "status": {
 "self": "http://localhost:9090/rest/api/2/status/10000",
 "description": "",
 "iconUrl": "http://localhost:9090/",
 "name": "Aufgaben",
 "id": "10000",
 "statusCategory": {
 "self": "http://localhost:9090/rest/api/2/statuscategory/2",
 "id": 2,
 "key": "new",
 "colorName": "blue-gray",
 "name": "Aufgaben"
 }
 }
 }
 },
 "changelog": {
 "id": "10742",
 "items": [
 {
 "field": "Link",
 "fieldtype": "jira",
 "from": null,
 "fromString": null,
 "to": "COVA-83",
 "toString": "This issue blocks COVA-83"
 }
 ]
 }
}; line: 1, column: 709] (through reference chain: de.vwncova.defectadapter.domain.jira.entity.IssueEvent["issue"]->com.atlassian.jira.rest.client.api.domain.Issue["fields"])

It seems as if the JSON generated from JIRA does not its own class Issue. 

How can I solve this problem?

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Domenico Manzo _Actonic_
Domenico Manzo _Actonic_
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January 23, 2018

Try to use com.atlassian.jira.rest.client.internal.json.IssueJsonParser from atlassian-jira-rest-java-client

Something like:

private Issue parseIssue(final String resourcePath) throws JSONException {   
    final JSONObject issueJson = ResourceUtil.getJsonObjectFromResource(resourcePath);   
    final IssueJsonParser parser = new IssueJsonParser();   
    return parser.parse(issueJson);  
} 
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D. U.
D. U. January 23, 2018

Okay...I'll try but how can I combine that with Jackson?

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D. U.
D. U. January 23, 2018

...and where is ResourceUtil from?

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D. U.
D. U. January 23, 2018

Okay...I see that I don't need ResourceUtil.getJsonObjectFromResource because I do already have it because the JSON comes as parameter...
Is the JSONObject still available in Atlassian JIRA 7.1.6?

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D. U.
D. U. January 23, 2018

...internally Atlassian is using org.codehaus.jettison.json.JSONObject !!!

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D. U.
D. U. January 23, 2018

I am using JIRA 7.1.6. 
I found out that the IssueEvent class is in jira-api but when I use this dependency in my POM the build fails with an exception that dependency jta 1.0.1 cannot be found...and it doesn't work when I put the jta dependency in my POM a well.

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D. U.
D. U. January 24, 2018

Okay...I had to exclude the JTA portion from the jira-api dependency.
However, I still can't get the JSON deserialized to the JIRA domain objects...

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