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Flask in Azure App Server RRS feed

  • Question

  • Hello,

    I am trying to deploy a flask project on Azure App Server. I have followed the official guide which worked successfully when using a sample flask project.

    I have my own flask project, which runs perfectly locally on my computer. When I try to deploy it on Azure, I get the following following error log. I believe this may have to do with the Azure Linux Server and the library availability.  

    2019-01-26T22:34:23  Welcome, you are now connected to log-streaming service.
    2019-01-26T22:34:20.331135452Z 
    2019-01-26T22:34:20.331181753Z   _____                               
    2019-01-26T22:34:20.331188153Z   /  _  \ __________ _________   ____  
    2019-01-26T22:34:20.331192053Z  /  /_\  \___   /  |  \_  __ \_/ __ \ 
    2019-01-26T22:34:20.331195853Z /    |    \/    /|  |  /|  | \/\  ___/ 
    2019-01-26T22:34:20.331199653Z \____|__  /_____ \____/ |__|    \___  >
    2019-01-26T22:34:20.331203453Z         \/      \/                  \/ 
    2019-01-26T22:34:20.331207253Z 
    2019-01-26T22:34:20.331210553Z A P P   S E R V I C E   O N   L I N U X
    2019-01-26T22:34:20.331214053Z 
    2019-01-26T22:34:20.331217453Z Documentation: http://aka.ms/webapp-linux
    2019-01-26T22:34:20.331221053Z 
    2019-01-26T22:34:20.739564167Z Starting OpenBSD Secure Shell server: sshd.
    2019-01-26T22:34:20.797187397Z Running python /usr/local/bin/entrypoint.py
    2019-01-26T22:34:21.054346173Z executing:
    2019-01-26T22:34:21.054492773Z python --version
    2019-01-26T22:34:21.074927019Z Python 3.7.1
    2019-01-26T22:34:21.075079919Z executing:
    2019-01-26T22:34:21.075200919Z pip --version
    2019-01-26T22:34:24.945566790Z pip 10.0.1 from /home/site/wwwroot/antenv/lib/python3.7/site-packages/pip (python 3.7)
    2019-01-26T22:34:24.959886222Z found flask app
    2019-01-26T22:34:24.960399124Z executing:
    2019-01-26T22:34:24.960509524Z . antenv/bin/activate
    2019-01-26T22:34:24.969337544Z 
    2019-01-26T22:34:24.969526444Z executing:
    2019-01-26T22:34:24.969647744Z GUNICORN_CMD_ARGS="--bind=0.0.0.0 --timeout 600" gunicorn app:app
    2019-01-26T22:34:25.955266152Z [2019-01-26 22:34:25 +0000] [35] [INFO] Starting gunicorn 19.9.0
    2019-01-26T22:34:25.956385255Z [2019-01-26 22:34:25 +0000] [35] [INFO] Listening at: http://0.0.0.0:8000 (35)
    2019-01-26T22:34:25.956628655Z [2019-01-26 22:34:25 +0000] [35] [INFO] Using worker: sync
    2019-01-26T22:34:25.967108279Z [2019-01-26 22:34:25 +0000] [38] [INFO] Booting worker with pid: 38
    2019-01-26T22:34:31.286154295Z [2019-01-26 22:34:31 +0000] [38] [ERROR] Exception in worker process
    2019-01-26T22:34:31.286179196Z Traceback (most recent call last):
    2019-01-26T22:34:31.286183396Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker
    2019-01-26T22:34:31.286188996Z     worker.init_process()
    2019-01-26T22:34:31.286192496Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/workers/base.py", line 129, in init_process
    2019-01-26T22:34:31.286196096Z     self.load_wsgi()
    2019-01-26T22:34:31.286199396Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/workers/base.py", line 138, in load_wsgi
    2019-01-26T22:34:31.286202996Z     self.wsgi = self.app.wsgi()
    2019-01-26T22:34:31.286213896Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/app/base.py", line 67, in wsgi
    2019-01-26T22:34:31.286217796Z     self.callable = self.load()
    2019-01-26T22:34:31.286221096Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 52, in load
    2019-01-26T22:34:31.286224396Z     return self.load_wsgiapp()
    2019-01-26T22:34:31.286227796Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 41, in load_wsgiapp
    2019-01-26T22:34:31.286231196Z     return util.import_app(self.app_uri)
    2019-01-26T22:34:31.286234396Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/util.py", line 350, in import_app
    2019-01-26T22:34:31.286237796Z     __import__(module)
    2019-01-26T22:34:31.286241096Z   File "/home/site/wwwroot/app.py", line 12, in <module>
    2019-01-26T22:34:31.286244996Z     import pyodbc
    2019-01-26T22:34:31.286248196Z ImportError: libodbc.so.2: cannot open shared object file: No such file or directory
    2019-01-26T22:34:31.286572596Z [2019-01-26 22:34:31 +0000] [38] [INFO] Worker exiting (pid: 38)
    2019-01-26T22:34:31.421384098Z [2019-01-26 22:34:31 +0000] [35] [INFO] Shutting down: Master
    2019-01-26T22:34:31.421588799Z [2019-01-26 22:34:31 +0000] [35] [INFO] Reason: Worker failed to boot.
    2019-01-26T22:34:31.532032946Z 
    
    2019-01-26 22:34:32.507 ERROR - Container testnumber3_0 for site testnumber3 has exited, failing site start
    2019-01-26 22:34:34.539 INFO  - Starting container for site
    2019-01-26 22:34:34.542 INFO  - docker run -d -p 36997:8000 --name testnumber3_0 -e WEBSITE_SITE_NAME=testNumber3 -e WEBSITE_AUTH_ENABLED=False -e WEBSITE_ROLE_INSTANCE_ID=0 -e WEBSITE_INSTANCE_ID=4e627c158a787ef098d2fc64fac1aa1045efbce9cf4366b0fb867333237b2444 appsvc/python:3.7_1811301405  
    
    2019-01-26 22:34:34.542 INFO  - Logging is not enabled for this container.
    Please use https://aka.ms/linux-diagnostics to enable logging to see container logs here.
    2019-01-26T22:34:35.883529595Z 
    2019-01-26T22:34:35.883584395Z   _____                               
    2019-01-26T22:34:35.883589695Z   /  _  \ __________ _________   ____  
    2019-01-26T22:34:35.883593395Z  /  /_\  \___   /  |  \_  __ \_/ __ \ 
    2019-01-26T22:34:35.883597195Z /    |    \/    /|  |  /|  | \/\  ___/ 
    2019-01-26T22:34:35.883600796Z \____|__  /_____ \____/ |__|    \___  >
    2019-01-26T22:34:35.883604696Z         \/      \/                  \/ 
    2019-01-26T22:34:35.883608296Z 
    2019-01-26T22:34:35.883611696Z A P P   S E R V I C E   O N   L I N U X
    2019-01-26T22:34:35.883615196Z 
    2019-01-26T22:34:35.883618696Z Documentation: http://aka.ms/webapp-linux
    2019-01-26T22:34:35.883622096Z 
    2019-01-26T22:34:36.058281587Z Starting OpenBSD Secure Shell server: sshd.
    2019-01-26T22:34:36.079592835Z Running python /usr/local/bin/entrypoint.py
    2019-01-26T22:34:36.204711115Z executing:
    2019-01-26T22:34:36.204728415Z python --version
    2019-01-26T22:34:36.207442321Z Python 3.7.1
    2019-01-26T22:34:36.207584421Z executing:
    2019-01-26T22:34:36.207693122Z pip --version
    2019-01-26T22:34:38.938546840Z pip 10.0.1 from /home/site/wwwroot/antenv/lib/python3.7/site-packages/pip (python 3.7)
    2019-01-26T22:34:38.954654776Z found flask app
    2019-01-26T22:34:38.955657578Z executing:
    2019-01-26T22:34:38.955787278Z . antenv/bin/activate
    2019-01-26T22:34:38.975853723Z 
    2019-01-26T22:34:38.976014224Z executing:
    2019-01-26T22:34:38.976132324Z GUNICORN_CMD_ARGS="--bind=0.0.0.0 --timeout 600" gunicorn app:app
    2019-01-26T22:34:39.917566433Z [2019-01-26 22:34:39 +0000] [36] [INFO] Starting gunicorn 19.9.0
    2019-01-26T22:34:39.923920247Z [2019-01-26 22:34:39 +0000] [36] [INFO] Listening at: http://0.0.0.0:8000 (36)
    2019-01-26T22:34:39.924188048Z [2019-01-26 22:34:39 +0000] [36] [INFO] Using worker: sync
    2019-01-26T22:34:39.934710872Z [2019-01-26 22:34:39 +0000] [39] [INFO] Booting worker with pid: 39
    2019-01-26T22:34:45.284352457Z [2019-01-26 22:34:45 +0000] [39] [ERROR] Exception in worker process
    2019-01-26T22:34:45.284378057Z Traceback (most recent call last):
    2019-01-26T22:34:45.284382057Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker
    2019-01-26T22:34:45.284396757Z     worker.init_process()
    2019-01-26T22:34:45.284400957Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/workers/base.py", line 129, in init_process
    2019-01-26T22:34:45.284404457Z     self.load_wsgi()
    2019-01-26T22:34:45.284407757Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/workers/base.py", line 138, in load_wsgi
    2019-01-26T22:34:45.284411157Z     self.wsgi = self.app.wsgi()
    2019-01-26T22:34:45.284422857Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/app/base.py", line 67, in wsgi
    2019-01-26T22:34:45.284426557Z     self.callable = self.load()
    2019-01-26T22:34:45.284429757Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 52, in load
    2019-01-26T22:34:45.284433057Z     return self.load_wsgiapp()
    2019-01-26T22:34:45.284436357Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 41, in load_wsgiapp
    2019-01-26T22:34:45.284439657Z     return util.import_app(self.app_uri)
    2019-01-26T22:34:45.284442857Z   File "/usr/local/lib/python3.7/site-packages/gunicorn/util.py", line 350, in import_app
    2019-01-26T22:34:45.284446157Z     __import__(module)
    2019-01-26T22:34:45.284449357Z   File "/home/site/wwwroot/app.py", line 12, in <module>
    2019-01-26T22:34:45.284453157Z     import pyodbc
    2019-01-26T22:34:45.284456357Z ImportError: libodbc.so.2: cannot open shared object file: No such file or directory
    2019-01-26T22:34:45.284754558Z [2019-01-26 22:34:45 +0000] [39] [INFO] Worker exiting (pid: 39)
    2019-01-26T22:34:45.417282055Z [2019-01-26 22:34:45 +0000] [36] [INFO] Shutting down: Master
    2019-01-26T22:34:45.417295855Z [2019-01-26 22:34:45 +0000] [36] [INFO] Reason: Worker failed to boot.
    2019-01-26T22:34:45.467395867Z 
    
    2019-01-26 22:34:46.506 ERROR - Container testnumber3_0 for site testnumber3 has exited, failing site start
    
    Saturday, January 26, 2019 10:36 PM

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