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Debugging a TraefikEE routing problem

This blog post might be outdated!
This blog post was published more than one year ago and might be outdated!
· 2 min read
Stephan Hochdörfer
Head of IT Business Operations

Recently, we've been running into a weird problem. After restarting 2 nodes in our Nomad cluster, we could not properly access GitLab via SSH anymore. Web access was working fine, also cloning via https:// worked, but not via SSH which is what most of our developers use by default.

Undefined array key instance in ArgumentsResolver.php

This blog post might be outdated!
This blog post was published more than one year ago and might be outdated!
· 3 min read
Stephan Hochdörfer
Head of IT Business Operations

In the last few days, I was fighting hard to understand and fix an error that occurred when trying to deploy a Magento upgrade in production for one of our merchants. During the setup:di:compile phase our CI pipeline crashed with the error Undefined array key "instance" in ArgumentsResolver.php on line 171.

Permanent SSH tunnel with systemd

This blog post might be outdated!
This blog post was published more than one year ago and might be outdated!
· 4 min read
Holger Dörner
PHP Developer & Chapter Lead

From time to time we are in need to access resources on a different server, and if it's only for a short time. The key is here to rely on simple and readily available tools.

Handling invalid url parameters with nginx

This blog post might be outdated!
This blog post was published more than one year ago and might be outdated!
· 2 min read
Stephan Hochdörfer
Head of IT Business Operations

While improving the page indexing of our blog, I realized that Google still had old urls stored that aren't valid anymore. The challenge in this case: The urls in question could only be identified via specific get parameters.

Magento 2 ERR_TOO_MANY_REDIRECTS

This blog post might be outdated!
This blog post was published more than one year ago and might be outdated!
· One min read
Stephan Hochdörfer
Head of IT Business Operations

A while ago when importing a staging dump to reproduce an issue locally in one of our Magento projects, I hit an "ERR_TOO_MANY_REDIRECTS" error. Magento kept redirecting me with a HTTP 302 response code.