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The logs said the cache was working. The filesystem could testify to it. Here is how a hidden Closure in getInfo(), silent exception handling, and an ignored return value created a perfect, silent nightmare.
Read more : The Cache That Didn't Cache: A Symfony Serialization Story
After updating my operating system from Ubuntu 24.04 to 25.10, my selenium/standalone-chrome Docker container started crashing with a cryptic NullPointerException. Here is my story.
Read more : Ubuntu 25.10: The Update That Bricked My Java Docker Containers
My whitelist route EventSubscriber was throwing AccessDenied errors in logs with no apparent reason. Here's how I discovered it was actually hiding the real error behind the scenes.
Read more : My EventSubscriber silenced errors, here's why