# Help with CDN S3 Setup - Job exception: Backblaze B2
**URL:** https://meta.discourse.org/t/help-with-cdn-s3-setup-job-exception-backblaze-b2/260078
**Category:** Self-hosting
**Tags:** s3
**Created:** [March 31, 2023, 8:26am UTC](https://meta.discourse.org/t/help-with-cdn-s3-setup-job-exception-backblaze-b2/260078 "2023-03-31T08:26:49Z")
**Posts on this page:** 1
**Page:** 1
### Author:  [@commercial](https://meta.discourse.org/u/commercial)
#### Post date: [March 31, 2023, 8:26am UTC](https://meta.discourse.org/t/help-with-cdn-s3-setup-job-exception-backblaze-b2/260078/1 "2023-03-31T08:26:49Z")
i’ve this alert in the Error Logs
**Job exception: Backblaze B2 does not support this API call.**
I’ve checked the existing topic, all sounds fine
so, here are the detals if that could help to identify my issue…
> aws-sdk-core-3.130.2/lib/seahorse/client/plugins/raise\_response\_errors.rb:17:in `call' aws-sdk-s3-1.114.0/lib/aws-sdk-s3/plugins/sse_cpk.rb:24:in `call’
> aws-sdk-s3-1.114.0/lib/aws-sdk-s3/plugins/dualstack.rb:27:in `call' aws-sdk-s3-1.114.0/lib/aws-sdk-s3/plugins/accelerate.rb:56:in `call’
> aws-sdk-core-3.130.2/lib/aws-sdk-core/plugins/checksum\_algorithm.rb:111:in `call' aws-sdk-core-3.130.2/lib/aws-sdk-core/plugins/jsonvalue_converter.rb:22:in `call’
> aws-sdk-core-3.130.2/lib/aws-sdk-core/plugins/idempotency\_token.rb:19:in `call' aws-sdk-core-3.130.2/lib/aws-sdk-core/plugins/param_converter.rb:26:in `call’
> aws-sdk-core-3.130.2/lib/seahorse/client/plugins/request\_callback.rb:71:in `call' aws-sdk-core-3.130.2/lib/aws-sdk-core/plugins/response_paging.rb:12:in `call’
> aws-sdk-core-3.130.2/lib/seahorse/client/plugins/response\_target.rb:24:in `call' aws-sdk-core-3.130.2/lib/seahorse/client/request.rb:72:in `send\_request’
> aws-sdk-s3-1.114.0/lib/aws-sdk-s3/client.rb:10921:in `put_bucket_policy' /var/www/discourse/lib/s3_inventory.rb:183:in `update\_bucket\_policy’
> /var/www/discourse/app/jobs/regular/update\_s3\_inventory.rb:16:in `block in execute' /var/www/discourse/app/jobs/regular/update_s3_inventory.rb:14:in `each’
> /var/www/discourse/app/jobs/regular/update\_s3\_inventory.rb:14:in `execute' /var/www/discourse/app/jobs/base.rb:249:in `block (2 levels) in perform’
> rails\_multisite-4.0.1/lib/rails\_multisite/connection\_management.rb:80:in `with_connection' /var/www/discourse/app/jobs/base.rb:236:in `block in perform’
> /var/www/discourse/app/jobs/base.rb:232:in `each' /var/www/discourse/app/jobs/base.rb:232:in `perform’
> sidekiq-6.5.8/lib/sidekiq/processor.rb:202:in `execute_job' sidekiq-6.5.8/lib/sidekiq/processor.rb:170:in `block (2 levels) in process’
> sidekiq-6.5.8/lib/sidekiq/middleware/chain.rb:177:in `block in invoke' /var/www/discourse/lib/sidekiq/pausable.rb:134:in `call’
> sidekiq-6.5.8/lib/sidekiq/middleware/chain.rb:179:in `block in invoke' sidekiq-6.5.8/lib/sidekiq/middleware/chain.rb:182:in `invoke’
> sidekiq-6.5.8/lib/sidekiq/processor.rb:169:in `block in process' sidekiq-6.5.8/lib/sidekiq/processor.rb:136:in `block (6 levels) in dispatch’
> sidekiq-6.5.8/lib/sidekiq/job\_retry.rb:113:in `local' sidekiq-6.5.8/lib/sidekiq/processor.rb:135:in `block (5 levels) in dispatch’
> sidekiq-6.5.8/lib/sidekiq.rb:44:in `block in ' sidekiq-6.5.8/lib/sidekiq/processor.rb:131:in `block (4 levels) in dispatch’
> sidekiq-6.5.8/lib/sidekiq/processor.rb:263:in `stats' sidekiq-6.5.8/lib/sidekiq/processor.rb:126:in `block (3 levels) in dispatch’
> sidekiq-6.5.8/lib/sidekiq/job\_logger.rb:13:in `call' sidekiq-6.5.8/lib/sidekiq/processor.rb:125:in `block (2 levels) in dispatch’
> sidekiq-6.5.8/lib/sidekiq/job\_retry.rb:80:in `global' sidekiq-6.5.8/lib/sidekiq/processor.rb:124:in `block in dispatch’
> sidekiq-6.5.8/lib/sidekiq/job\_logger.rb:39:in `prepare' sidekiq-6.5.8/lib/sidekiq/processor.rb:123:in `dispatch’
> sidekiq-6.5.8/lib/sidekiq/processor.rb:168:in `process' sidekiq-6.5.8/lib/sidekiq/processor.rb:78:in `process\_one’
> sidekiq-6.5.8/lib/sidekiq/processor.rb:68:in `run' sidekiq-6.5.8/lib/sidekiq/component.rb:8:in `watchdog’
> sidekiq-6.5.8/lib/sidekiq/component.rb:17:in `block in safe\_thread’
> hooks:
> after\_code:
>
> - exec:
> cd: $home/plugins
> cmd:
> - git clone [GitHub - discourse/docker\_manager: Plugin for use with discourse docker image · GitHub](https://github.com/discourse/docker_manager.git)
> - git clone [GitHub - paviliondev/discourse-custom-wizard: A Discourse Plugin that allows you to create custom user wizards. · GitHub](https://github.com/paviliondev/discourse-custom-wizard.git)
> - git clone [GitHub - discourse/discourse-akismet: give spam a whoopin · GitHub](https://github.com/discourse/discourse-akismet.git)
> - git clone [GitHub - discourse/discourse-rss-polling · GitHub](https://github.com/discourse/discourse-rss-polling.git)
> after\_assets\_precompile:
> - exec:
> cd: $home
> cmd:
> - sudo -E -u discourse bundle exec rake s3:upload\_assets
> - sudo -E -u discourse bundle exec rake s3:expire\_missing\_assets
Any ideas? Thank you!