stack trace

Node.js

  1. function foo() {
  2.   throw new Error('failed')
  3. }
  5. try {
  6.   foo()
  7. } catch(err) {
  8.   console.trace(err)
  9. }

Output

  1. Trace: Error: failed
  2.     at foo (/Users/bob/examples/stack_trace.js:2:9)
  3.     at Object.<anonymous> (/Users/bob/examples/stack_trace.js:6:3)
  4.     at Module._compile (internal/modules/cjs/loader.js:688:30)
  5.     at Object.Module._extensions..js (internal/modules/cjs/loader.js:699:10)
  6.     at Module.load (internal/modules/cjs/loader.js:598:32)
  7.     at tryModuleLoad (internal/modules/cjs/loader.js:537:12)
  8.     at Function.Module._load (internal/modules/cjs/loader.js:529:3)
  9.     at Function.Module.runMain (internal/modules/cjs/loader.js:741:12)
  10.     at startup (internal/bootstrap/node.js:285:19)
  11.     at bootstrapNodeJSCore (internal/bootstrap/node.js:739:3)
  12.     at Object.<anonymous> (/Users/bob/examples/stack_trace.js:8:11)
  13.     at Module._compile (internal/modules/cjs/loader.js:688:30)
  14.     at Object.Module._extensions..js (internal/modules/cjs/loader.js:699:10)
  15.     at Module.load (internal/modules/cjs/loader.js:598:32)
  16.     at tryModuleLoad (internal/modules/cjs/loader.js:537:12)
  17.     at Function.Module._load (internal/modules/cjs/loader.js:529:3)
  18.     at Function.Module.runMain (internal/modules/cjs/loader.js:741:12)
  19.     at startup (internal/bootstrap/node.js:285:19)
  20.     at bootstrapNodeJSCore (internal/bootstrap/node.js:739:3)

Go

  1. package main
  3. import (
  4.     "errors"
  5.     "fmt"
  6.     "runtime/debug"
  7. )
  9. func foo() {
  10.     panic(errors.New("failed"))
  11. }
  13. func main() {
  14.     defer func() {
  15.         if r := recover(); r != nil {
  16.             fmt.Println(string(debug.Stack()))
  17.         }
  18.     }()
  20.     foo()
  21. }

Output

  1. goroutine 1 [running]:
  2. runtime/debug.Stack(0xc000090eb8, 0x10a8400, 0xc00007e1c0)
  3.         /Users/mota/.gvm/gos/go1.11/src/runtime/debug/stack.go:24 +0xa7
  4. main.main.func1()
  5.         /Users/bob/examples/stack_trace.go:16 +0x46
  6. panic(0x10a8400, 0xc00007e1c0)
  7.         /Users/mota/.gvm/gos/go1.11/src/runtime/panic.go:513 +0x1b9
  8. main.foo(...)
  9.         /Users/bob/examples/stack_trace.go:10
  10. main.main()
  11.         /Users/bob/examples/stack_trace.go:20 +0xa2