flask application starts without giving debugging pin, also no request info displayed
<p>I'm truly uncertain how I got into this mode, but when I start my flask application on the development system, I see </p>

<p><code>2016-11-17 17:20:36,717 WARNING: * Debugger is active!
</code></p>

<p>but there is no display of the debugging PIN and I don't see the requests which come in to the server.</p>

<p>When this started happening I poked around a bit to try to see what change I made to cause this, but was too embroiled in making the application work to follow up at the time. Of course any history is long gone.</p>

<p>Do you have any suggestions on how to debug this?</p>

<p>In case it matters, I'm running on windows.</p>

<p>I dumped app.config using</p>

<pre><code>        configkeys = app.config.keys()
        configkeys.sort()
        appconfig = []
        for key in configkeys:
            value = app.config[key]
            if not owner_permission.can():
                if key in ['SQLALCHEMY_DATABASE_URI','SECRET_KEY']:
                    value = '&lt;obscured&gt;'
            appconfig.append({'label':key, 'value':value})
        sysvars.append(['app.config',appconfig])
</code></pre>

<p>(later display of sysvars in html template) and see the following. I also tried setting <code>debug=True</code> in the <code>run()</code> invocation but no effect.</p>

<p><code>APPLICATION_ROOT /
DEBUG   True
EXPLAIN_TEMPLATE_LOADING    False
JSONIFY_MIMETYPE    application/json
JSONIFY_PRETTYPRINT_REGULAR True
JSON_AS_ASCII   True
JSON_SORT_KEYS  True
LOGGER_HANDLER_POLICY   always
LOGGER_NAME rrwebapp
LOGGING_LEVEL_FILE  20
LOGGING_LEVEL_MAIL  40
LOGGING_MAIL_HANDLER    &lt;logging.handlers.SMTPHandler object at 0x03806630&gt;
LOGGING_PATH    C:\\Users\\Lou\\Documents\\Lou's Software\\projects\\rrwebapp\\rrwebapp.log
MAX_CONTENT_LENGTH  None
MINIMIZE_CDN_JAVASCRIPT False
PERMANENT_SESSION_LIFETIME  31 days, 0:00:00
PREFERRED_URL_SCHEME    http
PRESERVE_CONTEXT_ON_EXCEPTION   None
PROPAGATE_EXCEPTIONS    None
SECRET_KEY  flask development key
SEND_FILE_MAX_AGE_DEFAULT   12:00:00
SERVER_NAME None
SESSION_COOKIE_DOMAIN   None
SESSION_COOKIE_HTTPONLY True
SESSION_COOKIE_NAME session
SESSION_COOKIE_PATH None
SESSION_COOKIE_SECURE   False
SESSION_REFRESH_EACH_REQUEST    True
SQLALCHEMY_BINDS    None
SQLALCHEMY_COMMIT_ON_TEARDOWN   False
SQLALCHEMY_DATABASE_URI mysql://rrwebuser:xxxxxxxxx@127.0.0.1/testnewracedb
SQLALCHEMY_ECHO False
SQLALCHEMY_MAX_OVERFLOW None
SQLALCHEMY_NATIVE_UNICODE   None
SQLALCHEMY_POOL_RECYCLE None
SQLALCHEMY_POOL_SIZE    None
SQLALCHEMY_POOL_TIMEOUT None
SQLALCHEMY_RECORD_QUERIES   None
SQLALCHEMY_TRACK_MODIFICATIONS  False
TEMPLATES_AUTO_RELOAD   None
TESTING False
TRAP_BAD_REQUEST_ERRORS False
TRAP_HTTP_EXCEPTIONS    False
USE_X_SENDFILE  False
</code></p>

<p>12/27/16 adding requirements.txt</p>

<pre><code>alembic==0.8.8
amqp==1.4.9
anyjson==0.3.3
appdirs==1.4.0
attrdict==2.0.0
billiard==3.3.0.23
blinker==1.4
celery==3.1.23
click==6.6
docutils==0.11
docx==0.2.4
ecdsa==0.13
ez-setup==0.9
Fabric==1.11.1
Flask==0.11.1
Flask-Login==0.3.2
Flask-Principal==0.4.0
Flask-SQLAlchemy==2.1
Flask-Uploads==0.2.1
Flask-WTF==0.12
flup==1.0.2
googlemaps==2.4.4
gpxpy==1.1.2
haversine==0.4.5
httplib2==0.9.2
ipython==1.1.0
itsdangerous==0.24
Jinja2==2.8
kombu==3.0.35
loutilities==0.11.0
lxml==3.6.0
Mako==1.0.4
MarkupSafe==0.23
mysql-python==1.2.5
oauthlib==2.0.0
paramiko==1.17.0
Pillow==3.2.0
pycrypto==2.6.1
pyreadline==2.0
python-editor==1.0.1
pytz==2013.9
requests==2.10.0
requests-oauthlib==0.7.0
running==1.4.0
six==1.10.0
SQLAlchemy==1.0.15
sqlalchemy-datatables===0.4.1lk3
tzlocal==1.0
unicodecsv==0.14.1
Werkzeug==0.11.11
WTForms==2.1
xlrd==0.9.2
xlwt==0.7.5
</code></pre>