{"record":{"id":"0eaa79e9fb8b247d","repo":"abhigyanpatwari/GitNexus","slug":"failed-to-install-node-js-result-get-output","errorCode":null,"errorMessage":"Failed to install Node.js: {result.get('output', '')}","messagePattern":"Failed to install Node\\.js: (.+?)","errorType":"exception","errorClass":"RuntimeError","httpStatus":null,"severity":"error","filePath":"eval/environments/gitnexus_docker.py","lineNumber":128,"sourceCode":"        logger.info(f\"GitNexus setup completed in {self.index_time:.1f}s\")\n\n    def _ensure_nodejs(self):\n        \"\"\"Ensure Node.js >= 18 is available in the container.\"\"\"\n        check = self.execute({\"command\": \"node --version 2>/dev/null || echo 'NOT_FOUND'\"})\n        output = check.get(\"output\", \"\").strip()\n\n        if \"NOT_FOUND\" in output:\n            logger.info(\"Installing Node.js in container...\")\n            install_cmds = [\n                \"apt-get update -qq\",\n                \"apt-get install -y -qq curl ca-certificates\",\n                \"curl -fsSL https://deb.nodesource.com/setup_20.x | bash -\",\n                \"apt-get install -y -qq nodejs\",\n            ]\n            for cmd in install_cmds:\n                result = self.execute({\"command\": cmd, \"timeout\": 60})\n                if result.get(\"returncode\", 1) != 0:\n                    raise RuntimeError(f\"Failed to install Node.js: {result.get('output', '')}\")\n        else:\n            logger.info(f\"Node.js already available: {output}\")\n\n    def _install_gitnexus(self):\n        \"\"\"Install the gitnexus npm package globally.\"\"\"\n        check = self.execute({\"command\": \"npx gitnexus --version 2>/dev/null || echo 'NOT_FOUND'\"})\n        if \"NOT_FOUND\" in check.get(\"output\", \"\"):\n            logger.info(\"Installing gitnexus...\")\n            result = self.execute({\n                \"command\": \"npm install -g gitnexus\",\n                \"timeout\": 60,\n            })\n            if result.get(\"returncode\", 1) != 0:\n                raise RuntimeError(f\"Failed to install gitnexus: {result.get('output', '')}\")\n\n    def _index_repository(self):\n        \"\"\"Run gitnexus analyze on the repo, using cache if available.\"\"\"\n        repo_info = self._get_repo_info()","sourceCodeStart":110,"sourceCodeEnd":146,"githubUrl":"https://github.com/abhigyanpatwari/GitNexus/blob/d540b00184d71a896261ee02670da9a92d59d8f7/eval/environments/gitnexus_docker.py#L110-L146","documentation":"Thrown by GitNexusDockerEnvironment.setup inside eval/environments/gitnexus_docker.py when the container has no Node.js, the env runs the NodeSource setup_20.x bootstrap, and any of apt-get update / install curl / curl-setup / apt install nodejs returns non-zero. The message includes the captured stdout/stderr so you can see which step failed.","triggerScenarios":"The SWE-bench eval container lacks Node; the bootstrap loop runs `apt-get update -qq`, `apt-get install -y -qq curl ca-certificates`, `curl -fsSL https://deb.nodesource.com/setup_20.x | bash -`, `apt-get install -y -qq nodejs`; if any of these exits non-zero within the 60s per-step timeout, RuntimeError fires.","commonSituations":"Container/CI has no outbound internet or a restricted apt mirror; deb.nodesource.com is unreachable or rate-limits the CI; old apt cache conflicts; 60s per-step timeout too short for slow networks; corporate proxy blocks raw apt.","solutions":["Pre-bake Node.js 20 into the Docker image (Dockerfile: RUN the same nodesource setup at build time) so setup is a no-op at eval time.","Ensure the eval runner has outbound internet to deb.nodesource.com and the default Ubuntu apt mirrors.","Raise the per-step timeout in the execute() call (currently 60s) for slow networks, or set HTTP_PROXY/HTTPS_PROXY for the container.","Point apt at a mirror reachable from the environment, or use a Node base image (e.g. swebench image variant with node preinstalled).","Run `docker run --rm <image> bash -lc 'node -v || apt-get update'` locally to reproduce which step fails."],"exampleFix":"# before: container image has no node, install fails at eval time\nresult = self.execute({'command': cmd, 'timeout': 60})\nraise RuntimeError(f'Failed to install Node.js: {result.get(\"output\", \"\")}')\n\n# after: bake Node into the image (Dockerfile)\n# RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && apt-get install -y nodejs","handlingStrategy":"validation","validationCode":"# Preflight: ensure Node is present in the image before invoking setup.\ndocker run --rm \"$IMAGE\" bash -lc 'node -v && npm -v' \\\n  || echo 'Need to pre-bake Node into the image; nodesource bootstrap at eval time is fragile'","typeGuard":"def is_node_install_failure(exc: RuntimeError) -> bool:\n    return 'Failed to install Node.js' in str(exc)","tryCatchPattern":"try:\n    env._install_node()\nexcept RuntimeError as e:\n    if is_node_install_failure(e):\n        logger.warning('Node bootstrap failed; using pre-baked image fallback')\n        # fall back to an image variant that already has Node\n    else:\n        raise","preventionTips":["Bake Node 20 into the SWE-bench image at build time.","Confirm the eval runner has outbound access to deb.nodesource.com and the apt mirrors.","Raise the 60s per-step timeout for slow networks, or use an HTTP proxy."],"tags":["eval","docker","node","install","network","gitnexus"],"backgroundTag":null,"analyzedSha":"d540b00184d71a896261ee02670da9a92d59d8f7","analyzedAt":"2026-08-12T19:50:25.132Z","schemaVersion":2},"datasetVersion":"2026-08-12T23:17:12.415Z"}