Compaction Errors in Codex app and CLI #17335

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1. silverfish-11

   added

   appIssues related to the Codex desktop appIssues related to the Codex desktop app

   on Apr 10, 2026
2. github-actions

   added

   bugSomething isn't workingSomething isn't working

   contextIssues related to context management (including compaction)Issues related to context management (including compaction)

   on Apr 10, 2026
3. github-actions commented on Apr 10, 2026

   

   github-actionsbot

   on Apr 10, 2026 – with GitHub Actions

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   Potential duplicates detected. Please review them and close your issue if it is a duplicate.

   • compact execution failed #16377
   • ■ Error running remote compact task: stream disconnected before completion: error sending request for url (https://chatgpt.com/backend-api/codex/responses/compact) #16436
   • Error running remote compact task: stream disconnected before completion: error sending request for url (https://chatgpt.com/backend-api/codex/responses/compact) #15727
   • Auto-compaction fails near context limit with "stream disconnected before completion" #16281

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4. etraut-openai

   removed

   appIssues related to the Codex desktop appIssues related to the Codex desktop app

   on Apr 10, 2026
5. etraut-openai commented on Jun 29, 2026

   

   etraut-openai

   on Jun 29, 2026

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   Thanks for reporting this problem. Until recently, Codex used a separate endpoint and server-side logic for compaction. We recently switched to a more robust approach where the compaction logic is moved locally using the same endpoint as normal turns. This eliminates "remote compaction" errors and increases the stability and reliability of compaction operations. If you see further problems with compaction, please use /feedback and open a new bug report.
6. etraut-openai

   closed this as completedon Jun 29, 2026