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### Summary:
I was in the middle of an upgrade to the latest stable release and during migrations, I encountered the following errors:
```
root@ip-172-31-21-71:/var/www/canvas# RAILS_ENV=produc…
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### Summary:
Following the - https://github.com/instructure/canvas-lms/wiki/Production-Start , everything went good. But after running - sudo RAILS_ENV=production bundle exec rake db:initial_setu…
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We're unable to clone this repo when using the deploy key that's set up in our CircleCI. The key is correctly set up in github as a deploy key. Here's the error message that git returns when trying to…
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Got error while update Canvas
PG::UniqueViolation: ERROR: duplicate key value violates unique constraint "index_role_overrides_on_context_role_permission"
### Steps to reproduce:
bundle confi…
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See http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher-block_chaining_.28CBC.29
I can only assume that the ruby openssl wrapper uses null bytes for the IV in your use-case, which is _…
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Document the steps to report a vulnerability.
1. OSVDB: email moderators@osvdb.org and/or message @osvdb on GitHub or Twitter.
2. Request a CVE from oss-sec mailing list or reserve a CVE from MITRE.
3…
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The clean up runs on a cron task inside the pact broker docker image, but if there are multiple instances running in a cluster, then they will all attempt to clean at once.
Use a database level loc…
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**TL;DR** PoC with `SKIP LOCKED` at end of thread + some thoughts.
**TL;DR 2x** This is not an adversarial fork, this really is a deliberation. We like good_job but we are bumping into limitations.
…
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I'm trying to upgrade from 12.5.2 tot 13.3.4. I also updated the Postgres from `sameersbn/postgresql:9.6-2` to `sameersbn/postgresql:12-20200524`, since GitLab 13 requires at least Postgres 11. Howev…
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When two nodes are added simultaneously to the closure tree table, this results in a deadlock and the query to acquire lock runs infinitely:
```
(0.7ms) SELECT GET_LOCK('b218f48596dc37d16bbcd16d…