Which is a duplicate of https://github.com/golang/go/issues/37449
so I would comment/reopen that issue as it appears either the fix was not 
correct (unlikely since it works in 1.14) or that it wasn’t merged correctly 
into 1.15 (likely). 

> On Apr 3, 2020, at 12:20 AM, Pierre Durand <pierredur...@gmail.com> wrote:
> 
> 
> The stack trace is identical to https://github.com/golang/go/issues/37777
> 
> Le jeudi 2 avril 2020 23:23:02 UTC+2, Robert Engels a écrit :
>> 
>> Does your code use any unsafe or cgo?
>> 
>>>> On Apr 2, 2020, at 11:38 AM, 'hamid...@live.com' via golang-nuts 
>>>> <golan...@googlegroups.com> wrote:
>>>> 
>>> 
>>> Hi folks,
>>> 
>>> An issue with the latest version of Go (1.14.1). My application panics when 
>>> making concurrent http GET requests to another API.
>>> 
>>> Unfortunately it's not possible to post the code here but it should be 
>>> pretty straightforward to reproduce this.
>>> 
>>> My application makes concurrent GET requests to another Go API at around 
>>> 280 req/sec using goroutines. This application is supposed to make about 3 
>>> million requests to that API every day. We use the latest version of Go in 
>>> our deployments (1.14.1 in this case), however this application panics 
>>> after 10-120 minutes of running and unfortunately the running time is not 
>>> quite deterministic. Rolling back to Go 1.13.5 fixes this issue.
>>> 
>>> I have seen other github threads that refer to the same issue in older 
>>> versions of Go, however this seems to have re-appeared again in 1.14.1.
>>> 
>>> 
>>> panic: runtime error: invalid memory address or nil pointer dereference
>>> [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x451cad]
>>> 
>>> goroutine 646692 [running]:
>>> time.stopTimer(0xc00035fa48, 0x0)
>>>     /usr/local/go/src/runtime/time.go:224 +0x2b
>>> time.(*Timer).Stop(...)
>>>     /usr/local/go/src/time/sleep.go:78
>>> net/http.(*http2ClientConn).roundTrip(0xc001e68780, 0xc001e8c900, 0x0, 0x0, 
>>> 0x0, 0x0)
>>>     /usr/local/go/src/net/http/h2_bundle.go:7480 +0x9f
>>> net/http.(*http2Transport).RoundTripOpt(0xc0001965a0, 0xc001e8c900, 
>>> 0x9b3800, 0xc0001af080, 0xc000809770, 0x5)
>>>     /usr/local/go/src/net/http/h2_bundle.go:6948 +0x16f
>>> net/http.(*http2Transport).RoundTrip(...)
>>>     /usr/local/go/src/net/http/h2_bundle.go:6909
>>> net/http.http2noDialH2RoundTripper.RoundTrip(0xc0001965a0, 0xc001e8c900, 
>>> 0xb53460, 0xc0001965a0, 0x0)
>>>     /usr/local/go/src/net/http/h2_bundle.go:9103 +0x3e
>>> net/http.(*Transport).roundTrip(0xf4e580, 0xc001e8c900, 0xc002c91e60, 
>>> 0xc001080840, 0x40c7f8)
>>>     /usr/local/go/src/net/http/transport.go:515 +0xd94
>>> net/http.(*Transport).RoundTrip(0xf4e580, 0xc001e8c900, 0xf4e580, 0x0, 0x0)
>>>     /usr/local/go/src/net/http/roundtrip.go:17 +0x35
>>> net/http.send(0xc001e8c900, 0xb52420, 0xf4e580, 0x0, 0x0, 0x0, 
>>> 0xc00073c2f8, 0xc00002a015, 0x1, 0x0)
>>>     /usr/local/go/src/net/http/client.go:252 +0x43e
>>> net/http.(*Client).send(0xf58ba0, 0xc001e8c900, 0x0, 0x0, 0x0, 
>>> 0xc00073c2f8, 0x0, 0x1, 0xc001e8c900)
>>>     /usr/local/go/src/net/http/client.go:176 +0xfa
>>> net/http.(*Client).do(0xf58ba0, 0xc001e8c900, 0x0, 0x0, 0x0)
>>>     /usr/local/go/src/net/http/client.go:699 +0x44a
>>> net/http.(*Client).Do(...)
>>>     /usr/local/go/src/net/http/client.go:567
>>> 
>>> -- 
>>> You received this message because you are subscribed to the Google Groups 
>>> "golang-nuts" group.
>>> To unsubscribe from this group and stop receiving emails from it, send an 
>>> email to golan...@googlegroups.com.
>>> To view this discussion on the web visit 
>>> https://groups.google.com/d/msgid/golang-nuts/91bf3382-8c71-481a-98e5-c9020dbd66b9%40googlegroups.com.
> 
> -- 
> You received this message because you are subscribed to the Google Groups 
> "golang-nuts" group.
> To unsubscribe from this group and stop receiving emails from it, send an 
> email to golang-nuts+unsubscr...@googlegroups.com.
> To view this discussion on the web visit 
> https://groups.google.com/d/msgid/golang-nuts/b0969c35-f531-4172-9dbc-35b40d7b7de2%40googlegroups.com.

-- 
You received this message because you are subscribed to the Google Groups 
"golang-nuts" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to golang-nuts+unsubscr...@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/golang-nuts/92727133-0A55-4034-A81B-43D0B6BC7C69%40ix.netcom.com.

Reply via email to