Interesting - now I get the same messages:
2017/07/10 13:23:17 Server starting up...
2017/07/10 13:23:22 Server shutting down...
test - before shutdown
But the program doesn't stop! I need to Ctrl+C to stop it...
I don't get it - why doesn't server.Shutdown() just work?
On Monday, July 10, 2017 at 12:50:20 PM UTC+10, Matt Harden wrote:
>
> Try a channel to wait for shutdown in main.
>
> func main() {
> srv := &http.Server{Addr: ":8080", Handler: http.DefaultServeMux}
> * done := make(chan struct{})*
>
> http.Handle("/web/", http.FileServer(http.Dir("./")))
> http.HandleFunc("/stop", func(w http.ResponseWriter, r *http.Request) {
> log.Println("Server shutting down...")
> fmt.Println("test - before shutdown")
> err := srv.Shutdown(context.Background())
> fmt.Println("test - after shutdown")
> log.Println("Error: %v", err)
> * close(done)*
> })
> http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
> log.Println("Got request")
> time.Sleep(6000 * time.Millisecond)
> fmt.Fprintf(w, "Hello @ %s", time.Now())
> log.Println("Finished request")
> })
>
> log.Println("Server starting up...")
> if err := srv.ListenAndServe(); err != http.ErrServerClosed {
> log.Fatalf("Server startup failed! Error: %v", err)
> }
> * <-done*
> }
>
>
> On Sun, Jul 9, 2017 at 5:45 AM <char...@gmail.com <javascript:>> wrote:
>
>> Just tried it but it doesn't work.
>>
>> The problem I started from is that server.Shutdown didn't wait for my
>> requests to complete. (To check this I put in the time.Sleep(6000 *
>> time.Millisecond)). When I narrowed down the problem it showed me that
>> code after the Shutdown call wasn't being executed. And now putting a
>> time.Sleep() in the main didn't help either...
>>
>>
>> On Sunday, July 9, 2017 at 10:13:49 PM UTC+10, Elias Naur wrote:
>>>
>>> Your main goroutine probably exits before the handler gets to write
>>> "after shutdown" to the console. Try adding a time.Sleep(1*time.Second) as
>>> the very last line in main().
>>>
>>> - elias
>>>
>>> On Sunday, July 9, 2017 at 1:53:36 PM UTC+2, char...@gmail.com wrote:
>>>>
>>>> Hi,
>>>>
>>>> Go code after calling srv.Shutdown() simply isn't called. There is no
>>>> error message, no dump, nothing. This is the output after visiting
>>>> http://localhost:8080/stop on my browser
>>>>
>>>> 2017/07/09 13:58:40 Server starting up...
>>>> 2017/07/09 13:58:44 Server shutting down...
>>>> test - before shutdown
>>>>
>>>> Notice that "test - after shutdown" doesn't show up. What am I doing
>>>> wrong?
>>>>
>>>> func main() {
>>>> srv := &http.Server{Addr: ":8080", Handler: http.DefaultServeMux}
>>>>
>>>> http.Handle("/web/", http.FileServer(http.Dir("./")))
>>>> http.HandleFunc("/stop", func(w http.ResponseWriter, r
>>>> *http.Request) {
>>>> log.Println("Server shutting down...")
>>>> fmt.Println("test - before shutdown")
>>>> err := srv.Shutdown(context.Background())
>>>> fmt.Println("test - after shutdown")
>>>> log.Println("Error: %v", err)
>>>> })
>>>> http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
>>>> log.Println("Got request")
>>>> time.Sleep(6000 * time.Millisecond)
>>>> fmt.Fprintf(w, "Hello @ %s", time.Now())
>>>> log.Println("Finished request")
>>>> })
>>>>
>>>> log.Println("Server starting up...")
>>>> if err := srv.ListenAndServe(); err != http.ErrServerClosed {
>>>> log.Fatalf("Server startup failed! Error: %v", err)
>>>> }
>>>> }
>>>>
>>>>
>>>> --
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