# Lab 3.3 - Pushing a Simple Web App

**URL:** <https://forums.suse.com/t/lab-3-3-pushing-a-simple-web-app/34810>\
**Category:** General\
**Created:** [February 25, 2020, 11:57am UTC](https://forums.suse.com/t/lab-3-3-pushing-a-simple-web-app/34810 "2020-02-25T11:57:03Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![krowniak](https://avatars.discourse-cdn.com/v4/letter/k/6de8d8/32.png) [@krowniak](https://forums.suse.com/u/krowniak)\
**Post date:** [February 25, 2020, 11:57am UTC](https://forums.suse.com/t/lab-3-3-pushing-a-simple-web-app/34810/1 "2020-02-25T11:57:03Z")

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Hi everyone.

Has anybody was able to push example web-app at all ? This lab exercise seems not working at all.  
It fails on cf push command.

Has anybody some clue what to do with this?

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**Author:** ![krowniak](https://avatars.discourse-cdn.com/v4/letter/k/6de8d8/32.png) [@krowniak](https://forums.suse.com/u/krowniak)\
**Post date:** [February 25, 2020, 1:14pm UTC](https://forums.suse.com/t/lab-3-3-pushing-a-simple-web-app/34810/2 "2020-02-25T13:14:14Z")

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Also i had try to install newest python buildpack from /course\_files/CAP101/labs/buildpacks as this:

cf create-buildpack python-buildpack-cached python\_buildpack-cached-v1.6.4.zip 11

But naturally it fails with this error:  
error seeking a stream on retry: Unexpected Response  
Response Code: 500  
…

I had try to push web-app with different python buildpack, but it was not possible to install this version from lab files.

Any idea ? How to push web-app properly ?

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<div class="post-metadata">

**Author:** ![krowniak](https://avatars.discourse-cdn.com/v4/letter/k/6de8d8/32.png) [@krowniak](https://forums.suse.com/u/krowniak)\
**Post date:** [February 25, 2020, 4:37pm UTC](https://forums.suse.com/t/lab-3-3-pushing-a-simple-web-app/34810/3 "2020-02-25T16:37:36Z")

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It is mandatory to delete some pods before.

kubectl -n scf delete pod bits-0  
kubectl -n scf delete pod api-grooup-0  
kubectl -n scf delete pod cc-clock-0

After that installing buildpacks and pushing web-app application works properly.

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**Author:** ![Academy\_Instructor](https://avatars.discourse-cdn.com/v4/letter/a/9d8465/32.png) [@Academy\_Instructor](https://forums.suse.com/u/Academy_Instructor)\
**Post date:** [February 25, 2020, 6:09pm UTC](https://forums.suse.com/t/lab-3-3-pushing-a-simple-web-app/34810/4 "2020-02-25T18:09:24Z")

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Yes, deleting those pods may help.