Oh No, Error running app, But Nothing in error logs

🚀 Deployment
1

Hi Community, my app starts fine but when I change anything in slider it says Oh No, Error running app. Here is my repo link - Aman0Analyst/svd_streamlit (github.com)

Deployed App - Streamlit (singular-value-decomposition.streamlit.app)

Here is the complete log I am getting


[     UTC     ] Logs for singular-value-decomposition.streamlit.app/
────────────────────────────────────────────────────────────────────────────────────────
[08:27:09] 🚀 Starting up repository: 'svd_streamlit', branch: 'main', main module: 'main.py'
[08:27:09] 🐙 Cloning repository...
[08:27:11] 🐙 Cloning into '/mount/src/svd_streamlit'...

[08:27:11] 🐙 Cloned repository!
[08:27:11] 🐙 Pulling code changes from Github...
[08:27:12] 📦 Processing dependencies...

──────────────────────────────────────── pip ───────────────────────────────────────────

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Installing collected packages: zipp, six, pyparsing, pillow, packaging, numpy, kiwisolver, fonttools, cycler, python-dateutil, importlib-resources, contourpy, matplotlib
Successfully installed contourpy-1.1.0 cycler-0.11.0 fonttools-4.42.0 importlib-resources-6.0.1 kiwisolver-1.4.4 matplotlib-3.7.2 numpy-1.25.2 packaging-23.1 pillow-10.0.0 pyparsing-3.0.9 python-dateutil-2.8.2 six-1.16.0 zipp-3.16.2
WARNING: You are using pip version 22.0.3; however, version 23.2.1 is available.
You should consider upgrading via the '/home/adminuser/venv/bin/python -m pip install --upgrade pip' command.
Checking if Streamlit is installed

────────────────────────────────────────────────────────────────────────────────────────

[08:27:23] 🐍 Python dependencies were installed from /mount/src/svd_streamlit/requirements.txt using pip.
Check if streamlit is installed

──────────────────────────────── Installing Streamlit ──────────────────────────────────

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  Downloading mdurl-0.1.2-py3-none-any.whl (10.0 kB)
Building wheels for collected packages: validators
  Building wheel for validators (setup.py): started
  Building wheel for validators (setup.py): finished with status 'done'
  Created wheel for validators: filename=validators-0.20.0-py3-none-any.whl size=19580 sha256=aa6a240c7f665caf99a99edaf06a1be9289ece72850d614da5a379f75234250f
  Stored in directory: /tmp/pip-ephem-wheel-cache-tuzpi2va/wheels/2d/f0/a8/1094fca7a7e5d0d12ff56e0c64675d72aa5cc81a5fc200e849
Successfully built validators
Installing collected packages: pytz, zipp, watchdog, urllib3, tzdata, typing-extensions, tornado, toolz, toml, tenacity, smmap, six, rpds-py, pympler, pygments, protobuf, pillow, packaging, numpy, mdurl, MarkupSafe, idna, decorator, click, charset-normalizer, certifi, cachetools, blinker, attrs, validators, requests, referencing, pytz-deprecation-shim, python-dateutil, pyarrow, markdown-it-py, jinja2, importlib-metadata, gitdb, tzlocal, rich, pydeck, pandas, jsonschema-specifications, gitpython, jsonschema, altair, streamlit
  Attempting uninstall: zipp
    Found existing installation: zipp 3.16.2
    Uninstalling zipp-3.16.2:
      Successfully uninstalled zipp-3.16.2
  Attempting uninstall: six
    Found existing installation: six 1.16.0
    Uninstalling six-1.16.0:
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  Attempting uninstall: pillow
    Found existing installation: Pillow 10.0.0
    Uninstalling Pillow-10.0.0:
      Successfully uninstalled Pillow-10.0.0
  Attempting uninstall: packaging
    Found existing installation: packaging 23.1
    Uninstalling packaging-23.1:
      Successfully uninstalled packaging-23.1
  Attempting uninstall: numpy
    Found existing installation: numpy 1.25.2
    Uninstalling numpy-1.25.2:
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  Attempting uninstall: python-dateutil
    Found existing installation: python-dateutil 2.8.2
    Uninstalling python-dateutil-2.8.2:
      Successfully uninstalled python-dateutil-2.8.2
Successfully installed MarkupSafe-2.1.3 altair-5.0.1 attrs-23.1.0 blinker-1.6.2 cachetools-5.3.1 certifi-2023.7.22 charset-normalizer-3.2.0 click-8.1.6 decorator-5.1.1 gitdb-4.0.10 gitpython-3.1.32 idna-3.4 importlib-metadata-6.8.0 jinja2-3.1.2 jsonschema-4.19.0 jsonschema-specifications-2023.7.1 markdown-it-py-3.0.0 mdurl-0.1.2 numpy-1.25.2 packaging-23.1 pandas-2.0.3 pillow-9.5.0 protobuf-4.24.0 pyarrow-12.0.1 pydeck-0.8.0 pygments-2.16.1 pympler-1.0.1 python-dateutil-2.8.2 pytz-2023.3 pytz-deprecation-shim-0.1.0.post0 referencing-0.30.2 requests-2.31.0 rich-13.5.2 rpds-py-0.9.2 six-1.16.0 smmap-5.0.0 streamlit-1.25.0 tenacity-8.2.2 toml-0.10.2 toolz-0.12.0 tornado-6.3.2 typing-extensions-4.7.1 tzdata-2023.3 tzlocal-4.3.1 urllib3-2.0.4 validators-0.20.0 watchdog-3.0.0 zipp-3.16.2
WARNING: You are using pip version 22.0.3; however, version 23.2.1 is available.
You should consider upgrading via the '/home/adminuser/venv/bin/python -m pip install --upgrade pip' command.

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[08:27:48] 📦 Processed dependencies!

Collecting usage statistics. To deactivate, set browser.gatherUsageStats to False.




[08:33:09] ❗️ Streamlit server consistently failed status checks
[08:33:09] ❗️ Please fix the errors, push an update to the git repo, or reboot the app.
[08:38:55] 🐙 Pulling code changes from Github...
[08:38:56] 📦 Processing dependencies...
[08:38:56] 📦 Processed dependencies!

Collecting usage statistics. To deactivate, set browser.gatherUsageStats to False.




[08:38:59] 🔄 Updated app!
[08:45:49] ❗️ Streamlit server consistently failed status checks
[08:45:49] ❗️ Please fix the errors, push an update to the git repo, or reboot the app.
2

Hi @Aman_jain, and welcome to our community!

Here are a few pointers to try out:

  1. Have you tried using a smaller image?
  2. Have you attempted to delete the app from your account and then reinstall it?
  3. Have you tried using st.stop() in your py code to try to pin point which part of the code is triggering that issue? e.g. Is the issue with the image, the code related to Matplotlib, or something else?

Also, does your app work on your local machine?

Let me know. I’m happy to delve deeper into the app if none of the above suggestions help you fix the issue.

Best wishes,
Charly

3

Hi Charly, I switched to 1080p resolution image, and it worked fine, earlier I was using a 4k image. Can you please tell me why having larger image sizes can fail my app? I was thinking of providing an option to users to upload their image and test the functionality. I will try to do that according to your answer.

Thanks for your early suggestions,
Aman

4

Glad it helps!

Adding processing to these large images seems to be taking up a lot of resources, which could explain the memory spikes and the app crashes resulting in that “Oh no” message.

If you want to stick with Streamlit Community Cloud, I’d recommend setting a size limit for your images. This way, if they’re too heavy, the app won’t run and you’ll get a heads-up! :sunglasses:

If you’re keen on keeping those larger images, you might want to consider deploying your app on other services such as Heroku or GCP. This will give you the flexibility to bump up the RAM and memory as needed.

Hope this clarifies! :slight_smile:

Best,
Charly

5

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