How to Resolve "http: panic serving: connection reset by peer" in Gin
Your Gin server logs a panic whenever a client disconnects mid-request instead of handling it quietly. "Connection reset by peer" means the client closed the...
Category
Go / Gin
Debugging Go services and the Gin web framework.
How to Fix "cannot use type X as type Y in assignment" in Go Interfaces
The Go compiler refuses to let you assign a struct to an interface variable or pass it to a function expecting that interface, even though you're sure your...
How to Resolve "Gin Binding Error: EOF When Binding JSON Body Twice"
Your Gin handler calls a binding function like c.ShouldBindJSON() a second time — maybe in a middleware and then again in the handler — and the second call...
How to Fix "go build: command ignored in directory without Go files"
You run go build and nothing happens — no binary, no error output that points at your actual code, just a message saying the directory has no Go files. This...
How to Handle CORS Preflight Request Failure in Gin Framework
Your frontend's request to a Gin API fails in the browser with a CORS error, even though the same request works fine from curl or Postman. This is almost...
How to Resolve "database is locked" Error in Go GORM / SQLite
Your Go service using GORM with SQLite throws "database is locked" under any real concurrent load, even though the same queries work fine one at a time. SQLite...
Gin Binding Query Parameters Array or Slice Returning Empty Values
Gin binding an array or slice query parameter as empty, despite the request clearly including multiple values, almost always comes down to using the wrong...
Gin Route Param Parsing Failing When URL Contains Special Characters or Slashes
A Gin route parameter that appears truncated or missing entirely when its value contains a slash almost always comes down to how Gin's router matches path...
Go "Fatal Error: Concurrent Map Writes" in HTTP Handler
"Concurrent map writes" specifically inside an HTTP handler is an especially common version of Go's map-safety crash, because every incoming HTTP request in...