{"record":{"id":"4499fd00094b0e25","repo":"HKUDS/DeepTutor","slug":"src-name-already-exists-in-the-target-folder","errorCode":null,"errorMessage":"'{src.name}' already exists in the target folder","messagePattern":"'(.+?)' already exists in the target folder","errorType":"http","errorClass":"HTTPException","httpStatus":409,"severity":"error","filePath":"deeptutor/api/routers/knowledge.py","lineNumber":2433,"sourceCode":"    raw_dir = manager.get_knowledge_base_path(kb_name) / \"raw\"\n\n    source_rel = _sanitize_rel_subdir(payload.source)\n    if not source_rel:\n        raise HTTPException(status_code=400, detail=\"Source path is required\")\n    src = _safe_join_raw(raw_dir, source_rel)\n    if not src.exists():\n        raise HTTPException(status_code=404, detail=\"Source not found\")\n\n    dest_folder = _sanitize_rel_subdir(payload.dest_folder)\n    dest_dir = _safe_join_raw(raw_dir, dest_folder) if dest_folder else raw_dir.resolve()\n    dest = dest_dir / src.name\n\n    if dest.resolve() == src.resolve():\n        return {\"status\": \"ok\", \"path\": source_rel}\n    if src.is_dir() and dest_dir.resolve().is_relative_to(src.resolve()):\n        raise HTTPException(status_code=400, detail=\"Cannot move a folder into itself\")\n    if dest.exists():\n        raise HTTPException(\n            status_code=409,\n            detail=f\"'{src.name}' already exists in the target folder\",\n        )\n\n    dest_dir.mkdir(parents=True, exist_ok=True)\n    shutil.move(str(src), str(dest))\n    return {\"status\": \"ok\", \"path\": dest.relative_to(raw_dir.resolve()).as_posix()}\n\n\n@router.get(\"/{kb_name}/file-preview-text/{filename:path}\")\nasync def serve_kb_raw_file_text_preview(kb_name: str, filename: str):\n    \"\"\"Serve extracted plain text for a raw KB document preview.\"\"\"\n    target = _resolve_kb_raw_file_or_404(kb_name, filename)\n    try:\n        text = extract_text_from_path(\n            target,\n            max_bytes=DocumentValidator.MAX_FILE_SIZE,\n            max_chars=MAX_EXTRACTED_CHARS_PER_DOC,","sourceCodeStart":2415,"sourceCodeEnd":2451,"githubUrl":"https://github.com/HKUDS/DeepTutor/blob/3e82f130422a813cdd73c10b21a44e9325f5821a/deeptutor/api/routers/knowledge.py#L2415-L2451","documentation":"Error \"'{src.name}' already exists in the target folder\" thrown in HKUDS/DeepTutor.","triggerScenarios":"Thrown at deeptutor/api/routers/knowledge.py:2433 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"3e82f130422a813cdd73c10b21a44e9325f5821a","analyzedAt":"2026-08-27T06:57:25.364Z","schemaVersion":2},"datasetVersion":"2026-08-27T08:17:20.692Z"}