Error occurs when uploading attachment to Service Desk from Internet Explorer 9. Works in Chrome and newer versions of IE without issue.

Tested on IE Version 9.0.8112.16421

Steps to reproduce

1. From Jira Service Desk Customer Portal
2. Create a Service Desk Request
3. Select add attachment
4. Select file/image and attach
5. Cancel the attachment and try a second attempt to attach a file

Environment

• JIRA 6.4.5 with JIRA Service Desk 2.5.0
• JIRA 6.3.15 with JIRA Service Desk 2.3.6

Expected Behavior:

File attaches

Actual Behavior:

Attachment sits in waiting and never uploads (See Screenshots)
http://screencast.com/t/U83GxBb8qU

Workaround:

This only occurs in IE9, use newer IE version or other Browser (Chrome, Firefox, Safari), until Fixed.