thunderbird / thunderbird/thunderbird-android

IMAP Synchronization breaks when server responds with BYE after timeout.

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type: architecture
Dominant language
Kotlin
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Description

Please search to check for an existing issue (including closed issues, for which the fix may not have yet been released) before opening a new issue: https://github.com/k9mail/k-9/issues?q=is%3Aissue

Expected behavior

Synchronizing my Newsletter-Folder

Actual behavior

Error: IOException: readStringUnti

Sometimes the App stops so that I have to stop
k9-log4.txt

it and restart.
The other folders are able to synchronize.

Log-File attached.

Steps to reproduce
  1. See appended Logfile.
Environment

K-9 Mail version: 5.207

Android version: 7.0

Account type (IMAP, POP3, WebDAV/Exchange):

IMAP

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the attached k9-log4.txt and trace the IMAP synchronization path for a server BYE response after a timeout. Confirm the failure mode and identify what is needed for the affected Newsletter-Folder to synchronize without the IOException or requiring an app restart.

Written by the indexing model from the issue text.

Assessment

Tech stack
kotlin
Domain
mobile, networking
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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