Issue
User: Dev User (dev@example.com)
Student message: Error creating question variant
Instructor message: CourseIssueError: /PrairieLearn/testCourse/questions/brokenGeneration/server.py: Error calling generate(): Error: CodeCallerNative child process exited unexpectedly, code = 1, signal = null
ID: 412
Date: 2024-09-13 00:33:15-05 (CDT)

Console log:

Traceback (most recent call last):
  File "/PrairieLearn/apps/prairielearn/python/zygote.py", line 395, in <module>
    worker_loop()
  File "/PrairieLearn/apps/prairielearn/python/zygote.py", line 303, in worker_loop
    val = method(*args)
  File "/PrairieLearn/testCourse/questions/brokenGeneration/server.py", line 2, in generate
    raise Exception("deliberately broken generate function")
Exception: deliberately broken generate function
Traceback (most recent call last):
  File "/PrairieLearn/apps/prairielearn/python/zygote.py", line 437, in <module>
    raise Exception(
Exception: worker process exited unexpectedly with status 256

Associated data: 

{
    "course": {
        "id": 2,
        "path": "/PrairieLearn/testCourse",
        "title": "Test Course",
        "branch": "master",
        "options": {
            "devModeFeatures": [],
            "useNewQuestionRenderer": true
        },
        "created_at": "2024-07-23T18:37:21.289614+00:00",
        "deleted_at": null,
        "repository": null,
        "short_name": "QA 101",
        "commit_hash": null,
        "sync_errors": null,
        "sharing_name": null,
        "sharing_token": "0763f051-e7aa-439e-8e22-c21b6213ca3f",
        "sync_warnings": "",
        "example_course": false,
        "institution_id": 1,
        "template_course": false,
        "display_timezone": "America/Chicago",
        "sync_job_sequence_id": null,
        "yearly_enrollment_limit": null,
        "course_instance_enrollment_limit": null
    },
    "variant": {
        "id": "11161",
        "date": {},
        "open": true,
        "broken": true,
        "number": 1,
        "params": {},
        "options": {},
        "user_id": "1",
        "duration": 0,
        "group_id": null,
        "broken_at": {},
        "broken_by": null,
        "course_id": "2",
        "num_tries": 0,
        "question_id": "177",
        "true_answer": {},
        "variant_seed": "zlphis",
        "workspace_id": null,
        "authn_user_id": "1",
        "first_duration": null,
        "formatted_date": "2024-09-13 00:33:15 (CDT)",
        "course_instance_id": null,
        "instance_question_id": null
    },
    "question": {
        "id": "177",
        "qid": "brokenGeneration",
        "type": "Freeform",
        "uuid": "a2f12dbe-e030-4782-87aa-713d61728539",
        "title": "Broken generation function",
        "number": 350,
        "options": null,
        "topic_id": "23",
        "course_id": "2",
        "directory": "brokenGeneration",
        "deleted_at": null,
        "sync_errors": null,
        "client_files": [
            "client.js",
            "question.html",
            "answer.html"
        ],
        "dependencies": {},
        "sync_warnings": "",
        "grading_method": "Internal",
        "partial_credit": true,
        "single_variant": false,
        "workspace_args": null,
        "workspace_home": null,
        "workspace_port": null,
        "shared_publicly": false,
        "workspace_image": null,
        "template_directory": null,
        "show_correct_answer": true,
        "sync_job_sequence_id": null,
        "workspace_environment": {},
        "workspace_url_rewrite": null,
        "external_grading_files": null,
        "external_grading_image": null,
        "workspace_graded_files": null,
        "external_grading_enabled": null,
        "external_grading_timeout": null,
        "external_grading_entrypoint": null,
        "shared_publicly_with_source": false,
        "workspace_enable_networking": null,
        "external_grading_environment": {},
        "external_grading_enable_networking": null
    }
}

System data: 

{
    "stack": "CourseIssueError: /PrairieLearn/testCourse/questions/brokenGeneration/server.py: Error calling generate(): Error: CodeCallerNative child process exited unexpectedly, code = 1, signal = null\n    at processQuestionServer (file:///PrairieLearn/apps/prairielearn/dist/question-servers/freeform.js:781:27)\n    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)\n    at async instrumentedWithMetrics (file:///PrairieLearn/packages/opentelemetry/dist/metrics.js:47:16)\n    at async file:///PrairieLearn/apps/prairielearn/dist/question-servers/freeform.js:891:56\n    at async withCodeCaller (file:///PrairieLearn/apps/prairielearn/dist/lib/code-caller/index.js:195:20)\n    at async file:///PrairieLearn/apps/prairielearn/dist/question-servers/freeform.js:890:16\n    at async file:///PrairieLearn/packages/opentelemetry/dist/tracing.js:7:28\n    at async makeVariant (file:///PrairieLearn/apps/prairielearn/dist/lib/question-variant.js:44:36)\n    at async makeAndInsertVariant (file:///PrairieLearn/apps/prairielearn/dist/lib/question-variant.js:140:52)\n    at async ensureVariant (file:///PrairieLearn/apps/prairielearn/dist/lib/question-variant.js:235:12)\n    at async getAndRenderVariant (file:///PrairieLearn/apps/prairielearn/dist/lib/question-render.js:289:26)\n    at async file:///PrairieLearn/apps/prairielearn/dist/pages/instructorQuestionPreview/instructorQuestionPreview.js:45:5",
    "courseErrData": {
        "stack": "Error\n    at CodeCallerNative._errorData (file:///PrairieLearn/apps/prairielearn/dist/lib/code-caller/code-caller-native.js:546:29)\n    at CodeCallerNative._callCallback (file:///PrairieLearn/apps/prairielearn/dist/lib/code-caller/code-caller-native.js:470:29)\n    at CodeCallerNative._handleChildExit (file:///PrairieLearn/apps/prairielearn/dist/lib/code-caller/code-caller-native.js:398:18)\n    at ChildProcess.emit (node:events:519:28)\n    at ChildProcess._handle.onexit (node:internal/child_process:294:12)\n    at Process.callbackTrampoline (node:internal/async_hooks:130:17)",
        "outputBoth": "Traceback (most recent call last):\n  File \"/PrairieLearn/apps/prairielearn/python/zygote.py\", line 395, in <module>\n    worker_loop()\n  File \"/PrairieLearn/apps/prairielearn/python/zygote.py\", line 303, in worker_loop\n    val = method(*args)\n  File \"/PrairieLearn/testCourse/questions/brokenGeneration/server.py\", line 2, in generate\n    raise Exception(\"deliberately broken generate function\")\nException: deliberately broken generate function\nTraceback (most recent call last):\n  File \"/PrairieLearn/apps/prairielearn/python/zygote.py\", line 437, in <module>\n    raise Exception(\nException: worker process exited unexpectedly with status 256\n",
        "outputData": "",
        "childIsNull": true,
        "lastCallData": {
            "cwd": "/PrairieLearn/testCourse/questions/brokenGeneration",
            "fcn": "generate",
            "args": [
                {
                    "params": {},
                    "options": {
                        "question_path": "/PrairieLearn/testCourse/questions/brokenGeneration",
                        "devModeFeatures": [],
                        "course_extensions_path": "/PrairieLearn/testCourse/elementExtensions",
                        "useNewQuestionRenderer": true,
                        "client_files_course_path": "/PrairieLearn/testCourse/clientFilesCourse",
                        "server_files_course_path": "/PrairieLearn/testCourse/serverFilesCourse",
                        "client_files_question_path": "/PrairieLearn/testCourse/questions/brokenGeneration/clientFilesQuestion"
                    },
                    "variant_seed": 2152777204,
                    "correct_answers": {}
                }
            ],
            "file": "server",
            "paths": [
                "/PrairieLearn/apps/prairielearn/python",
                "/PrairieLearn/testCourse/serverFilesCourse"
            ],
            "forbidden_modules": []
        },
        "outputStderr": "Traceback (most recent call last):\n  File \"/PrairieLearn/apps/prairielearn/python/zygote.py\", line 395, in <module>\n    worker_loop()\n  File \"/PrairieLearn/apps/prairielearn/python/zygote.py\", line 303, in worker_loop\n    val = method(*args)\n  File \"/PrairieLearn/testCourse/questions/brokenGeneration/server.py\", line 2, in generate\n    raise Exception(\"deliberately broken generate function\")\nException: deliberately broken generate function\nTraceback (most recent call last):\n  File \"/PrairieLearn/apps/prairielearn/python/zygote.py\", line 437, in <module>\n    raise Exception(\nException: worker process exited unexpectedly with status 256\n",
        "outputStdout": "",
        "callbackIsNull": false,
        "timeoutIDIsNull": true
    }
}
Broken generation function
Broken question due to error in question code
Correct answer
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Staff information
Staff user:
Dev User
dev@example.com
Question:
QID:
Title:
Broken generation function
Started at:
2024-09-13 00:33:15 (CDT)
Duration:
0 s
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