addAttachmentToIssue is failed to upload the file

[lijie-advantech]

• My Code like that：

File file = new File("D:\111.txt"); attachmentManager.addAttachmentToIssue(4031, file, ContentType.TEXT_PLAIN.getMimeType());

• when go to upload function, send(request) is return "Bad request (request may not contain both Content-Length and Transfer-Encoding)"

public String upload(InputStream content, long contentLength) throws RedmineException { ...... final String result = send(request); return parseResponse(result, "upload", input -> JsonInput.getStringNotNull(input, "token")); }

• Finally, the error is "com.taskadapter.redmineapi.RedmineFormatException: org.json.JSONException: A JSONObject text must begin with '{' at character 1"

[alexeyOnGitHub]

this test currently passes: ` @Test public void addAttachment() throws RedmineException, IOException { String attachmentContent = "some text"; File tempFile = createTempFile(attachmentContent);

    final Issue issue = IssueFactory.create(projectId, "task with attachment");
    final Issue createdIssue = issueManager.createIssue(issue);
    attachmentManager.addAttachmentToIssue(createdIssue.getId(), tempFile, ContentType.TEXT_PLAIN.getMimeType());
    try {
        Issue loadedIssue = issueManager.getIssueById(createdIssue.getId(), Include.attachments);
        final Collection<Attachment> attachments = loadedIssue.getAttachments();
        Attachment next = attachments.iterator().next();
        assertThat(next.getFileName()).isEqualTo(tempFile.getName());
        final byte[] receivedContent = attachmentManager.downloadAttachmentContent(next);
        String contentAsString = new String(receivedContent);
        assertThat(contentAsString).isEqualTo(attachmentContent);
    } finally {
        issueManager.deleteIssue(createdIssue.getId());
    }
}

`

with a dev Redmine install behind NGinx. feel free to provide a test case showing a problem, if it still exists. I will close this issue for now