Unable to paste a file and upload

Summary

Unable to paste and upload a file after being connected for a few hours

Environment

• HipChat 4.0.1633
• HipChat Linux Client 4.0.1632

Steps to Reproduce

1. Login to HipChat
2. After several hours try to paste and upload a file

Expected Results

File is uploaded successfully

Actual Results

An error is displayed:

Something went wrong uploading that file.

[Auth] Refreshing access token...

The line above is shown a few hours before the lines below

[WebCore] [DEBUG] [event: upload-failed] {"error":{"code":401,"message":"Invalid OAuth session","type":"Unauthorized"},"jid":"####_olympia_lives@conf.hipchat.com"}
[WebCore] [DEBUG] [event: file-error] {"jid":"####_olympia_lives@conf.hipchat.com","key":"unable_to_upload"}

Additional Information

Issue occurs on Linux Client 4.0.1632 as well.

Workaround

Logout then login again