https://github.com/objarni/debugtruebuginwebapp2

Minimal webapp2 app showing a possible bug
https://github.com/objarni/debugtruebuginwebapp2

Last synced: 12 months ago
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Minimal webapp2 app showing a possible bug

• Host: GitHub
• URL: https://github.com/objarni/debugtruebuginwebapp2
• Owner: objarni
• Created: 2014-12-23T10:40:55.000Z (over 11 years ago)
• Default Branch: master
• Last Pushed: 2014-12-23T20:44:14.000Z (over 11 years ago)
• Last Synced: 2025-02-06T11:55:26.033Z (over 1 year ago)
• Language: Python
• Size: 129 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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debugTrueBugInWebapp2

=====================

Minimal webapp2 app showing a possible bug

The bug has been reported to googleappengine issue list, link: https://code.google.com/p/googleappengine/issues/detail?id=11557

**Update**: This was a false alarm. What happened was that I did not explicitly state the webapp2 version in app.yaml, and then dev_appserver (without any notice/warning/error) just used version 2.3. Explicitly stating version "2.5.2" gave the correct stack trace dump in browser. Personally I would have expected either an import error (preferrably) or at the very least a warning on the terminal when starting the dev\_appserver.py script

Run

---

    dev_appserver.py debugTrueBugInWebapp2

.. then point your browser to http://localhost:8080.

The expected behaviour is for the browser to print a stack trace.

What is really happening is that the stack trace is shown in terminal window, and the browser shows a blank page.

Environment

-----------

I'm on an Ubuntu14.04-64 bit system with default Python2.7 installation, using latest version of Google App Server.

Details:

    $ cat /etc/*-release

    DISTRIB_ID=Ubuntu

    DISTRIB_RELEASE=14.04

    DISTRIB_CODENAME=trusty

    DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS"

    NAME="Ubuntu"

    VERSION="14.04.1 LTS, Trusty Tahr"

    ID=ubuntu

    ID_LIKE=debian

    PRETTY_NAME="Ubuntu 14.04.1 LTS"

    VERSION_ID="14.04"

    HOME_URL="http://www.ubuntu.com/"

    SUPPORT_URL="http://help.ubuntu.com/"

    BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"

    $ python -V

    Python 2.7.6

    $ which dev_appserver.py 

    /home/olof/google_appengine/dev_appserver.py

    

    $ cat /home/olof/google_appengine/VERSION

    release: "1.9.17"

    timestamp: 1415734244

    api_versions: ['1']

    supported_api_versions:

      python:

        api_versions: ['1']

      python27:

        api_versions: ['1']

      go:

        api_versions: ['go1']

      java7:

        api_versions: ['1.0']