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Go: panicキャッチ後にStackTraceを表示する

Last updated at Posted at 2020-09-25

Panicをrecoverした後に、StackTraceを表示したかった

いろんなライブラリをあさって発見したのでメモ


package main

import(
    "runtime"
    "log"
)

func main() {

    defer func() {
        if err := recover(); err != nil {
            stackTrace()
        }
    }()


    panic("Panic Error!")
}

func stackTrace() {
    stack := make([]byte, 1024*8)
    stack = stack[:runtime.Stack(stack, false)]
    log.Println(string(stack))
}


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