{"record":{"id":"fb8ccbdbf04b3caa","repo":"nikivdev/code","slug":"session-file-not-found-for-codex-session","errorCode":null,"errorMessage":"Session file not found for Codex session {}","messagePattern":"Session file not found for Codex session (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"src/ai.rs","lineNumber":15900,"sourceCode":"    // Read context since checkpoint (or full if since_ts is None)\n    let (context, _last_ts) = read_cross_project_context(session, since_ts.as_deref(), count)?;\n\n    Ok(context)\n}\n\n/// Read context from a cross-project session.\nfn read_cross_project_context(\n    session: &CrossProjectSession,\n    since_ts: Option<&str>,\n    max_count: Option<usize>,\n) -> Result<(String, Option<String>)> {\n    if session.provider == Provider::Codex {\n        let session_file = session\n            .session_path\n            .clone()\n            .or_else(|| find_codex_session_file(&session.session_id));\n        let Some(session_file) = session_file else {\n            bail!(\n                \"Session file not found for Codex session {}\",\n                session.session_id\n            );\n        };\n        return read_codex_cross_project_context(session, &session_file, since_ts, max_count);\n    }\n    if session.provider == Provider::Cursor {\n        let session_file = session\n            .session_path\n            .clone()\n            .or_else(|| find_cursor_session_file(&session.session_id));\n        let Some(session_file) = session_file else {\n            bail!(\n                \"Session file not found for Cursor session {}\",\n                session.session_id\n            );\n        };\n        return read_cursor_cross_project_context(session, &session_file, since_ts, max_count);","sourceCodeStart":15882,"sourceCodeEnd":15918,"githubUrl":"https://github.com/nikivdev/code/blob/a747e741ae92c09071d0ae946ab48488adcff1ce/src/ai.rs#L15882-L15918","documentation":"Thrown while building cross-project context for a Codex-provider session: neither the session record's stored session_path nor a filesystem lookup via find_codex_session_file() could locate the underlying Codex session file. Reading a Codex session's context requires that file, so the code bails naming the session id.","triggerScenarios":"get/read cross-project context is called for a session with provider == Codex where session.session_path is None and find_codex_session_file(session_id) returns None (file moved/deleted, different CODEX_HOME, session id not matching any file in ~/.codex/sessions).","commonSituations":"Codex sessions cleaned up by disk hygiene tools; Codex home relocated via env var so the default lookup path misses; session saved on another machine; Codex upgraded and changed its session file naming/rollout subfolders.","solutions":["Confirm the Codex session file exists under ~/.codex (sessions dir) for that session id","Re-save or re-link the session with the correct session_path pointing at the file","Set/verify the Codex home env var so find_codex_session_file searches the right root","Remove the stale session entry and recreate it from a fresh Codex run"],"exampleFix":"// before\nf ai context --session abc123   # file cleaned from ~/.codex/sessions\n// after\nls ~/.codex/sessions | grep abc123   # confirm, or re-run codex and re-save the session\nf ai sessions remove abc123 && f ai sessions save --name abc123","handlingStrategy":"validation","validationCode":"# shell: locate the Codex session file before requesting context\nFILE=$(find ~/.codex -name \"*${SESSION_ID}*\" -print -quit)\n[ -n \"$FILE\" ] || { echo \"no Codex file for $SESSION_ID\"; exit 1; }\nf ai context --session \"$SESSION_ID\"","typeGuard":null,"tryCatchPattern":"// fall back to full-session recreate when the file is gone\nmatch cross_context(session) {\n    Err(e) if e.to_string().contains(\"Session file not found for Codex\") => {\n        eprintln!(\"codex transcript missing; recreating session\");\n        recreate_codex_session(&session.session_id)\n    }\n    other => other,\n}","preventionTips":["Store session_path explicitly when saving Codex sessions","Exclude ~/.codex from cleanup/backup-prune tooling","Re-save sessions after moving CODEX_HOME or changing machines","Verify session files exist after Codex upgrades"],"tags":["session","codex","file-not-found"],"backgroundTag":"session-file-missing","analyzedSha":"a747e741ae92c09071d0ae946ab48488adcff1ce","analyzedAt":"2026-09-01T22:43:55.719Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}