{"record":{"id":"eccf08ef2840b70e","repo":"chenhg5/cc-connect","slug":"session-file-not-found-s-eccf08","errorCode":null,"errorMessage":"session file not found: %s","messagePattern":"session file not found: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"agent/claudecode/claudecode.go","lineNumber":634,"sourceCode":"func (a *Agent) DeleteSession(_ context.Context, sessionID string) error {\n\thomeDir, err := os.UserHomeDir()\n\tif err != nil {\n\t\treturn fmt.Errorf(\"claudecode: cannot determine home dir: %w\", err)\n\t}\n\ta.mu.RLock()\n\tworkDir := a.workDir\n\ta.mu.RUnlock()\n\tabsWorkDir, err := filepath.Abs(workDir)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"claudecode: resolve work_dir: %w\", err)\n\t}\n\tprojectDir := findProjectDir(homeDir, absWorkDir)\n\tif projectDir == \"\" {\n\t\treturn fmt.Errorf(\"session not found\")\n\t}\n\tpath := filepath.Join(projectDir, sessionID+\".jsonl\")\n\tif _, err := os.Stat(path); os.IsNotExist(err) {\n\t\treturn fmt.Errorf(\"session file not found: %s\", sessionID)\n\t}\n\treturn os.Remove(path)\n}\n\n// extractStringContent attempts to extract a plain string from a json.RawMessage.\n// Returns empty string if the raw message is not a JSON string.\nfunc extractStringContent(raw json.RawMessage) string {\n\tif len(raw) == 0 {\n\t\treturn \"\"\n\t}\n\tvar s string\n\tif err := json.Unmarshal(raw, &s); err != nil {\n\t\treturn \"\"\n\t}\n\treturn s\n}\n\nfunc scanSessionMeta(path string) (string, int) {","sourceCodeStart":616,"sourceCodeEnd":652,"githubUrl":"https://github.com/chenhg5/cc-connect/blob/4000b2338aa6e850c99df54f8b0ed6ed7460b401/agent/claudecode/claudecode.go#L616-L652","documentation":"DeleteSession (agent/claudecode/claudecode.go:634) locates the transcript file <projectDir>/<sessionID>.jsonl and removes it. When the project directory exists but os.Stat reports the specific session file missing, it throws 'session file not found: <sessionID>'. This means Claude Code has sessions for this work_dir, but no transcript with that exact session ID.","triggerScenarios":"Calling DeleteSession(ctx, workDir, sessionID) where the project dir exists but <projectDir>/<sessionID>.jsonl is absent — wrong/stale session ID, transcript already deleted, or a sessionID containing characters that don't match the on-disk filename.","commonSituations":"Using a session ID from another machine or another work_dir; deleting a session Claude Code already pruned/cleaned up; passing a truncated or reformatted ID (e.g. from a chat message) rather than the exact ID from ListSessions.","solutions":["Call ListSessions(ctx, workDir) first and confirm the session ID is present before deleting.","Check the exact filename exists: ls ~/.claude/projects/<encoded-dir>/<sessionID>.jsonl.","Treat as an idempotent no-op if the file is already gone (os.IsNotExist → return nil).","Verify the session ID came from the same workDir you pass to DeleteSession; IDs are scoped per project directory."],"exampleFix":"// before\nif err := agent.DeleteSession(ctx, workDir, sessionID); err != nil {\n    return fmt.Errorf(\"delete failed: %w\", err)\n}\n// after\nsessions, _ := agent.ListSessions(ctx, workDir)\nfound := false\nfor _, s := range sessions {\n    if s.ID == sessionID { found = true; break }\n}\nif !found {\n    return nil // nothing to delete\n}\nreturn agent.DeleteSession(ctx, workDir, sessionID)","handlingStrategy":"validation","validationCode":"sessions, err := agent.ListSessions(ctx, workDir)\nif err != nil { return err }\nexists := false\nfor _, s := range sessions {\n    if s.ID == sessionID { exists = true; break }\n}\nif !exists { return fmt.Errorf(\"unknown session %s\", sessionID) }","typeGuard":null,"tryCatchPattern":"if err := agent.DeleteSession(ctx, workDir, id); err != nil {\n    if strings.Contains(err.Error(), \"session file not found\") {\n        log.Info(\"session already deleted\", \"id\", id)\n        return nil\n    }\n    return err\n}","preventionTips":["Use exact session IDs from ListSessions, never user-pasted or truncated IDs.","Scope session IDs to their workDir — an ID from another project won't exist here.","Treat missing-file deletes as success for UI idempotency.","Refresh cached session lists before delete operations."],"tags":["claudecode","session-management","filesystem"],"backgroundTag":"file-not-found","analyzedSha":"4000b2338aa6e850c99df54f8b0ed6ed7460b401","analyzedAt":"2026-09-06T11:45:09.575Z","contentChangedAt":"2026-09-06T11:45:09.575Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}