net/http: TestServerShutdown failures

[gopherbot]

#!watchflakes
post <- pkg == "net/http" && test == "TestServerShutdown" && `server should be shut down`

Issue created automatically to collect these failures.

Example (log):

2022/10/25 00:24:18 http2: server: error reading preface from client 127.0.0.1:58560: bogus greeting "CONNECT golang.fake.tld:"
2022/10/25 00:24:18 http2: server: error reading preface from client 127.0.0.1:59626: bogus greeting "CONNECT golang.fake.tld:"
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:57220: read tcp 127.0.0.1:43019->127.0.0.1:57220: i/o timeout
--- FAIL: TestServerShutdown (0.00s)
    --- FAIL: TestServerShutdown/h2 (0.06s)
        serve_test.go:5564: second request should fail. server should be shut down
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:37530: EOF
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:42388: EOF
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:55964: write tcp 127.0.0.1:39597->127.0.0.1:55964: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:55944: write tcp 127.0.0.1:39597->127.0.0.1:55944: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:47390: write tcp 127.0.0.1:43357->127.0.0.1:47390: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:55990: write tcp 127.0.0.1:39597->127.0.0.1:55990: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:47416: write tcp 127.0.0.1:43357->127.0.0.1:47416: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:47396: write tcp 127.0.0.1:43357->127.0.0.1:47396: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:55978: write tcp 127.0.0.1:39597->127.0.0.1:55978: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:47432: write tcp 127.0.0.1:43357->127.0.0.1:47432: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:47440: write tcp 127.0.0.1:43357->127.0.0.1:47440: use of closed network connection

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestServerShutdown"

2022-10-25 00:18 linux-amd64-buster go@9fffcde1 net/http.TestServerShutdown (log)

2022/10/25 00:24:18 http2: server: error reading preface from client 127.0.0.1:58560: bogus greeting "CONNECT golang.fake.tld:"
2022/10/25 00:24:18 http2: server: error reading preface from client 127.0.0.1:59626: bogus greeting "CONNECT golang.fake.tld:"
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:57220: read tcp 127.0.0.1:43019->127.0.0.1:57220: i/o timeout
--- FAIL: TestServerShutdown (0.00s)
    --- FAIL: TestServerShutdown/h2 (0.06s)
        serve_test.go:5564: second request should fail. server should be shut down
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:37530: EOF
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:42388: EOF
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:55964: write tcp 127.0.0.1:39597->127.0.0.1:55964: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:55944: write tcp 127.0.0.1:39597->127.0.0.1:55944: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:47390: write tcp 127.0.0.1:43357->127.0.0.1:47390: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:55990: write tcp 127.0.0.1:39597->127.0.0.1:55990: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:47416: write tcp 127.0.0.1:43357->127.0.0.1:47416: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:47396: write tcp 127.0.0.1:43357->127.0.0.1:47396: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:55978: write tcp 127.0.0.1:39597->127.0.0.1:55978: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:47432: write tcp 127.0.0.1:43357->127.0.0.1:47432: use of closed network connection
2022/10/25 00:24:18 http: TLS handshake error from 127.0.0.1:47440: write tcp 127.0.0.1:43357->127.0.0.1:47440: use of closed network connection

— watchflakes

[bcmills]

Is this a duplicate of #56036?

(Compare #38305, #54758 (comment).)

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestServerShutdown"

2022-10-27 01:24 dragonfly-amd64-622 go@612bb34a net/http.TestServerShutdown (log)

2022/10/27 01:42:04 http2: server: error reading preface from client 127.0.0.1:49622: bogus greeting "CONNECT golang.fake.tld:"
2022/10/27 01:42:04 http2: server: error reading preface from client 127.0.0.1:58722: bogus greeting "CONNECT golang.fake.tld:"
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:53152: EOF
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:52184: EOF
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:49586: read tcp 127.0.0.1:64104->127.0.0.1:49586: use of closed network connection
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:50198: read tcp 127.0.0.1:64104->127.0.0.1:50198: use of closed network connection
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:64095: read tcp 127.0.0.1:64104->127.0.0.1:64095: use of closed network connection
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:57265: read tcp 127.0.0.1:64104->127.0.0.1:57265: use of closed network connection
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:60062: read tcp 127.0.0.1:64104->127.0.0.1:60062: use of closed network connection
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:52742: read tcp 127.0.0.1:64104->127.0.0.1:52742: use of closed network connection
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:63438: read tcp 127.0.0.1:61272->127.0.0.1:63438: use of closed network connection
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:59978: read tcp 127.0.0.1:61272->127.0.0.1:59978: use of closed network connection
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:50094: read tcp 127.0.0.1:61272->127.0.0.1:50094: use of closed network connection
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:59623: write tcp 127.0.0.1:61272->127.0.0.1:59623: use of closed network connection
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:59455: read tcp 127.0.0.1:61272->127.0.0.1:59455: use of closed network connection
2022/10/27 01:42:05 http: TLS handshake error from 127.0.0.1:55941: write tcp 127.0.0.1:64104->127.0.0.1:55941: use of closed network connection
--- FAIL: TestServerShutdown (0.00s)
    --- FAIL: TestServerShutdown/h1 (0.05s)
        serve_test.go:5564: second request should fail. server should be shut down

2022-10-31 20:45 linux-amd64-nounified go@76940b3e net/http.TestServerShutdown (log)

2022/10/31 20:54:56 http: TLS handshake error from 127.0.0.1:53206: read tcp 127.0.0.1:43723->127.0.0.1:53206: use of closed network connection
2022/10/31 20:54:56 http: TLS handshake error from 127.0.0.1:53226: read tcp 127.0.0.1:43723->127.0.0.1:53226: use of closed network connection
2022/10/31 20:54:56 http: TLS handshake error from 127.0.0.1:36180: write tcp 127.0.0.1:45453->127.0.0.1:36180: use of closed network connection
2022/10/31 20:54:56 http: TLS handshake error from 127.0.0.1:53256: write tcp 127.0.0.1:43723->127.0.0.1:53256: use of closed network connection
2022/10/31 20:54:56 http: TLS handshake error from 127.0.0.1:53208: write tcp 127.0.0.1:43723->127.0.0.1:53208: use of closed network connection
2022/10/31 20:54:56 http: TLS handshake error from 127.0.0.1:53200: write tcp 127.0.0.1:43723->127.0.0.1:53200: use of closed network connection
2022/10/31 20:54:56 http: TLS handshake error from 127.0.0.1:53214: write tcp 127.0.0.1:43723->127.0.0.1:53214: use of closed network connection
2022/10/31 20:54:56 http: TLS handshake error from 127.0.0.1:36162: write tcp 127.0.0.1:45453->127.0.0.1:36162: use of closed network connection
2022/10/31 20:54:56 http: TLS handshake error from 127.0.0.1:54892: EOF
2022/10/31 20:54:56 http: TLS handshake error from 127.0.0.1:39626: EOF
2022/10/31 20:54:56 http2: server: error reading preface from client 127.0.0.1:59452: bogus greeting "CONNECT golang.fake.tld:"
2022/10/31 20:54:56 http2: server: error reading preface from client 127.0.0.1:37450: bogus greeting "CONNECT golang.fake.tld:"
--- FAIL: TestServerShutdown (0.00s)
    --- FAIL: TestServerShutdown/h2 (0.05s)
        serve_test.go:5564: second request should fail. server should be shut down

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestServerShutdown"

2022-11-15 00:27 linux-amd64 go@f977ffe8 net/http.TestServerShutdown (log)

2022/11/15 00:34:39 http2: server: error reading preface from client 127.0.0.1:54838: bogus greeting "CONNECT golang.fake.tld:"
2022/11/15 00:34:39 http2: server: error reading preface from client 127.0.0.1:44904: bogus greeting "CONNECT golang.fake.tld:"
--- FAIL: TestServerShutdown (0.00s)
    --- FAIL: TestServerShutdown/h1 (0.05s)
        serve_test.go:5633: second request should fail. server should be shut down
2022/11/15 00:34:39 http: TLS handshake error from 127.0.0.1:47584: EOF
2022/11/15 00:34:39 http: TLS handshake error from 127.0.0.1:59368: EOF
2022/11/15 00:34:39 http: TLS handshake error from 127.0.0.1:43416: read tcp 127.0.0.1:33251->127.0.0.1:43416: use of closed network connection
2022/11/15 00:34:39 http: TLS handshake error from 127.0.0.1:43402: read tcp 127.0.0.1:33251->127.0.0.1:43402: use of closed network connection
2022/11/15 00:34:39 http: TLS handshake error from 127.0.0.1:38466: read tcp 127.0.0.1:32867->127.0.0.1:38466: use of closed network connection
2022/11/15 00:34:39 http: TLS handshake error from 127.0.0.1:38406: read tcp 127.0.0.1:32867->127.0.0.1:38406: use of closed network connection
2022/11/15 00:34:39 http: TLS handshake error from 127.0.0.1:38492: write tcp 127.0.0.1:32867->127.0.0.1:38492: use of closed network connection
2022/11/15 00:34:39 http: TLS handshake error from 127.0.0.1:38436: write tcp 127.0.0.1:32867->127.0.0.1:38436: use of closed network connection
2022/11/15 00:34:39 http: TLS handshake error from 127.0.0.1:38488: write tcp 127.0.0.1:32867->127.0.0.1:38488: use of closed network connection
2022/11/15 00:34:39 http: TLS handshake error from 127.0.0.1:38476: write tcp 127.0.0.1:32867->127.0.0.1:38476: use of closed network connection

— watchflakes

[bcmills]

(attn @neild)

[neild]

Is this a duplicate of #56036?

Yes, due to the test being renamed from TestServerShutdown_h2 to TestServerShutdown/h2 in the Great Test Refactoring.

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestServerShutdown"

2022-11-11 01:29 linux-386-sid go@4d37f968 net/http.TestServerShutdown (log)

2022/11/11 01:37:23 http2: server: error reading preface from client 127.0.0.1:54880: bogus greeting "CONNECT golang.fake.tld:"
2022/11/11 01:37:23 http2: server: error reading preface from client 127.0.0.1:38704: bogus greeting "CONNECT golang.fake.tld:"
2022/11/11 01:37:23 http: TLS handshake error from 127.0.0.1:39848: write tcp 127.0.0.1:43551->127.0.0.1:39848: i/o timeout
2022/11/11 01:37:23 http: TLS handshake error from 127.0.0.1:58432: write tcp 127.0.0.1:40857->127.0.0.1:58432: i/o timeout
--- FAIL: TestServerShutdown (0.00s)
    --- FAIL: TestServerShutdown/h2 (0.08s)
        serve_test.go:5633: second request should fail. server should be shut down
2022/11/11 01:37:24 http: TLS handshake error from 127.0.0.1:52628: EOF
2022/11/11 01:37:24 http: TLS handshake error from 127.0.0.1:50602: EOF
2022/11/11 01:37:24 http: TLS handshake error from 127.0.0.1:43642: read tcp 127.0.0.1:36421->127.0.0.1:43642: use of closed network connection
2022/11/11 01:37:24 http: TLS handshake error from 127.0.0.1:43704: read tcp 127.0.0.1:36421->127.0.0.1:43704: use of closed network connection
2022/11/11 01:37:24 http: TLS handshake error from 127.0.0.1:43666: write tcp 127.0.0.1:36421->127.0.0.1:43666: use of closed network connection
2022/11/11 01:37:24 http: TLS handshake error from 127.0.0.1:49966: write tcp 127.0.0.1:39819->127.0.0.1:49966: use of closed network connection
2022/11/11 01:37:24 http: TLS handshake error from 127.0.0.1:49908: write tcp 127.0.0.1:39819->127.0.0.1:49908: use of closed network connection
2022/11/11 01:37:24 http: TLS handshake error from 127.0.0.1:49926: write tcp 127.0.0.1:39819->127.0.0.1:49926: use of closed network connection
2022/11/11 01:37:24 http: TLS handshake error from 127.0.0.1:49978: write tcp 127.0.0.1:39819->127.0.0.1:49978: use of closed network connection
2022/11/11 01:37:24 http: TLS handshake error from 127.0.0.1:49910: write tcp 127.0.0.1:39819->127.0.0.1:49910: use of closed network connection
2022/11/11 01:37:24 http: TLS handshake error from 127.0.0.1:49942: write tcp 127.0.0.1:39819->127.0.0.1:49942: use of closed network connection
2022/11/11 01:37:24 http: TLS handshake error from 127.0.0.1:43696: write tcp 127.0.0.1:36421->127.0.0.1:43696: use of closed network connection
2022/11/11 01:37:24 http: TLS handshake error from 127.0.0.1:43692: write tcp 127.0.0.1:36421->127.0.0.1:43692: use of closed network connection
2022/11/11 01:37:25 http: TLS handshake error from 127.0.0.1:37746: EOF
2022/11/11 01:37:25 http: TLS handshake error from 127.0.0.1:56952: EOF
2022/11/11 01:37:25 http: TLS handshake error from 127.0.0.1:37760: EOF
2022/11/11 01:37:25 http: TLS handshake error from 127.0.0.1:56962: EOF
2022/11/11 01:37:25 http: TLS handshake error from 127.0.0.1:56974: EOF

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestServerShutdown"

2023-02-01 19:47 linux-amd64-race go@ab0f0459 net/http.TestServerShutdown (log)

--- FAIL: TestServerShutdown (0.00s)
    --- FAIL: TestServerShutdown/h1 (0.08s)
        testing.go:1446: race detected during execution of test
    --- FAIL: TestServerShutdown/h2 (0.08s)
        testing.go:1446: race detected during execution of test

2023-02-01 21:30 darwin-amd64-race go@4b7f7eef net/http.TestServerShutdown (log)

--- FAIL: TestServerShutdown (0.00s)

— watchflakes

[bcmills]

The above two are #58168.

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestServerShutdown"

2023-02-06 18:07 darwin-amd64-race go@7c1aa5d9 net/http.TestServerShutdown (log)

--- FAIL: TestServerShutdown (0.00s)
    --- FAIL: TestServerShutdown/h2 (0.19s)
        testing.go:1446: race detected during execution of test
    --- FAIL: TestServerShutdown/h1 (0.19s)
        testing.go:1446: race detected during execution of test

— watchflakes