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Fixes to the graceful shutdown example (#2552) 

* Change error comparison to use errors.Is() and add a line of whitespace before the if statement on graceful shutdown

* Change from log.Fatalf to log.Printf to ensure the graceful shutdown actually works

Co-authored-by: J. J. Bigorra <josep@prowarehouse.nl>
Co-authored-by: thinkerou <thinkerou@gmail.com>
This commit is contained in:
Josep Jesus Bigorra Algaba 2021-01-13 02:06:12 +01:00 committed by GitHub
parent f4bc259de3
commit 46ddd4259c
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1 changed files with 3 additions and 2 deletions
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@ -1793,8 +1793,8 @@ func main() {
// Initializing the server in a goroutine so that // Initializing the server in a goroutine so that
// it won't block the graceful shutdown handling below // it won't block the graceful shutdown handling below
go func() { go func() {
if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed { if err := srv.ListenAndServe(); err != nil && errors.Is(err, http.ErrServerClosed) {
log.Fatalf("listen: %s\n", err) log.Printf("listen: %s\n", err)
} }
}() }()
@ -1812,6 +1812,7 @@ func main() {
// the request it is currently handling // the request it is currently handling
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel() defer cancel()
if err := srv.Shutdown(ctx); err != nil { if err := srv.Shutdown(ctx); err != nil {
log.Fatal("Server forced to shutdown:", err) log.Fatal("Server forced to shutdown:", err)
} }