Redmine

I am recieving this error : HTTP/1.1 422 Unprocessable Entity [Date: Tue, 14 Mar 2017 14:50:22 GMT, Server: Apache, cache-control: no-cache, x-runtime: 0.004027, x-frame-options: SAMEORIGIN, x-xss-protection: 1; mode=block, x-content-type-options: nosniff, x-request-id: d413a646-48f7-49af-9bf6-4c5b11276989, Connection: close, X-Powered-By: Phusion Passenger 5.0.6, Vary: Cookie, Status: 422 Unprocessable Entity, Content-Length: 0, Content-Type: application/xml] org.apache.http.conn.BasicManagedEntity@32cf83b8

Java Method

    public void CreateAnIssue() throws GenericException {

        ClientRequest req = new ClientRequest(ROOT_ADDRESS + "issues/new");
        req.accept(MediaType.APPLICATION_XML);
        req.queryParameter("key", apiKey);

        //req.queryParameter("key", apiKey);

        IssueDetail newIssue = new IssueDetail();

        // Project Info
        BasicInfo basicProjectInfo = new BasicInfo();
        basicProjectInfo.setId(selectedProject.getId());
        basicProjectInfo.setName(selectedProject.getName());

        newIssue.setProject(basicProjectInfo);

        // Tracker Info
        BasicInfo basicTrackerInfo = new BasicInfo();
        basicTrackerInfo.setId(selectedIssue.getTracker().getId());
        basicTrackerInfo.setName(selectedIssue.getTracker().getName());

        newIssue.setTracker(basicTrackerInfo);

        // Priority Info
        BasicInfo basicPriorityInfo = new BasicInfo();
        basicPriorityInfo.setId(4L);
        basicPriorityInfo.setName("Normal");

        newIssue.setPriority(basicPriorityInfo);            

        // Status Info
        BasicInfo basicStatusInfo = new BasicInfo();
        basicStatusInfo.setId(1L);
        basicStatusInfo.setName("New");

        newIssue.setStatus(basicStatusInfo);        

        // Author Info
        BasicInfo basicAuthorInfo = new BasicInfo();
        basicAuthorInfo.setId(1L);
        basicAuthorInfo.setName("UserName LastName Admin");

        newIssue.setAuthor(basicAuthorInfo);

        // Bug Subject
        newIssue.setSubject(bugTitle);    

//        // Open Date
        newIssue.setCreated_on(new Date());

        try {
            JAXBContext jaxbContext = JAXBContext.newInstance(IssueDetail.class);
            Marshaller jaxbMarshaller = jaxbContext.createMarshaller();
            StringWriter sw = new StringWriter();
            jaxbMarshaller.setProperty("jaxb.fragment", Boolean.TRUE);
            jaxbMarshaller.marshal(newIssue, sw);
            req.body(MediaType.APPLICATION_XML, sw.toString());
            logger.debugv("--- SW: {0}", sw.toString());
        } catch (JAXBException e) {
            throw new GenericException("Marshall object FAIL", e);
        }

        ClientResponse<String> res = null;
        try {
            res = req.put(String.class);
        } catch (Exception e) {
            logger.errorv(e, "Error getting issues");
            throw new GenericException("error", e);
        }

Please Help.

XHTML is creating with this line = jaxbMarshaller.marshal(newIssue, sw);

<issue>
<project id="148" name="DocumentoTestePrimefaces"/>
<tracker id="11" name="Infarmed - Testes Internos"/>
<status id="1" name="New"/>
<priority id="4" name="Normal"/>
<author id="1" name="UserName LastName Admin"/>
<subject>TITLE</subject>
<created_on>2017-03-14T14:56:50.827Z</created_on>
</issue>

I recieved an error using create_on or without it.