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gopherbot opened this issue Jan 4, 2023 · 6 comments
Closed

net/http: TestTransportNoReuseAfterEarlyResponse failures #57608

gopherbot opened this issue Jan 4, 2023 · 6 comments
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@bcmills
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Milestone
Go1.21

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@gopherbot
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gopherbot commented Jan 4, 2023 •
edited by bcmills
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#!watchflakes
post <- pkg == "net/http" && test == "TestTransportNoReuseAfterEarlyResponse" && `timeout waiting for GET request`

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestTransportNoReuseAfterEarlyResponse (11.09s)
    transport_test.go:3362: Closed server connection
    transport_test.go:3407: timeout waiting for GET request to finish
panic: Fail in goroutine after TestTransportNoReuseAfterEarlyResponse has completed

goroutine 7682 [running]:
panic({0x143b0c0, 0xc0001a5db0})
	/tmp/buildlet/go/src/runtime/panic.go:987 +0x3ba fp=0xc0008fbe90 sp=0xc0008fbdd0 pc=0x1037a1a
testing.(*common).Fail(0xc0001d31e0)
	/tmp/buildlet/go/src/testing/testing.go:824 +0xe5 fp=0xc0008fbef8 sp=0xc0008fbe90 pc=0x10ef285
testing.(*common).Errorf(0xc0001d31e0, {0x14c6528?, 0xc0001c2a20?}, {0xc0003defb8?, 0x12ce09e?, 0xc00042a240?})
	/tmp/buildlet/go/src/testing/testing.go:941 +0x65 fp=0xc0008fbf50 sp=0xc0008fbef8 pc=0x10efe85
net/http_test.TestTransportNoReuseAfterEarlyResponse.func3()
	/tmp/buildlet/go/src/net/http/transport_test.go:3396 +0x139 fp=0xc0008fbfe0 sp=0xc0008fbf50 pc=0x13e2339
runtime.goexit()
	/tmp/buildlet/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0008fbfe8 sp=0xc0008fbfe0 pc=0x106bb41
created by net/http_test.TestTransportNoReuseAfterEarlyResponse
	/tmp/buildlet/go/src/net/http/transport_test.go:3392 +0x4fd

— watchflakes
@gopherbot gopherbot added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Jan 4, 2023
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportNoReuseAfterEarlyResponse"
2022-12-06 19:00 darwin-amd64-12_0 go@618120c1 net/http.TestTransportNoReuseAfterEarlyResponse (log) 
--- FAIL: TestTransportNoReuseAfterEarlyResponse (11.09s)
    transport_test.go:3362: Closed server connection
    transport_test.go:3407: timeout waiting for GET request to finish
panic: Fail in goroutine after TestTransportNoReuseAfterEarlyResponse has completed

goroutine 7682 [running]:
panic({0x143b0c0, 0xc0001a5db0})
	/tmp/buildlet/go/src/runtime/panic.go:987 +0x3ba fp=0xc0008fbe90 sp=0xc0008fbdd0 pc=0x1037a1a
testing.(*common).Fail(0xc0001d31e0)
	/tmp/buildlet/go/src/testing/testing.go:824 +0xe5 fp=0xc0008fbef8 sp=0xc0008fbe90 pc=0x10ef285
testing.(*common).Errorf(0xc0001d31e0, {0x14c6528?, 0xc0001c2a20?}, {0xc0003defb8?, 0x12ce09e?, 0xc00042a240?})
	/tmp/buildlet/go/src/testing/testing.go:941 +0x65 fp=0xc0008fbf50 sp=0xc0008fbef8 pc=0x10efe85
net/http_test.TestTransportNoReuseAfterEarlyResponse.func3()
	/tmp/buildlet/go/src/net/http/transport_test.go:3396 +0x139 fp=0xc0008fbfe0 sp=0xc0008fbf50 pc=0x13e2339
runtime.goexit()
	/tmp/buildlet/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0008fbfe8 sp=0xc0008fbfe0 pc=0x106bb41
created by net/http_test.TestTransportNoReuseAfterEarlyResponse
	/tmp/buildlet/go/src/net/http/transport_test.go:3392 +0x4fd
2022-12-09 20:04 darwin-amd64-13 go@c2a2fbab net/http.TestTransportNoReuseAfterEarlyResponse (log) 
2022/12/10 01:18:20 httptest.Server blocked in Close after 5 seconds, waiting for connections:
  *net.TCPConn 0xc000682050 127.0.0.1:50433 in state active
--- FAIL: TestTransportNoReuseAfterEarlyResponse (7.06s)
    transport_test.go:3362: Closed server connection
    transport_test.go:3407: timeout waiting for GET request to finish
panic: Fail in goroutine after TestTransportNoReuseAfterEarlyResponse has completed

goroutine 5635 [running]:
panic({0x143b0c0, 0xc00017c060})
	/tmp/buildlet/go/src/runtime/panic.go:987 +0x3ba fp=0xc000319e90 sp=0xc000319dd0 pc=0x1037a1a
testing.(*common).Fail(0xc000158000)
	/tmp/buildlet/go/src/testing/testing.go:824 +0xe5 fp=0xc000319ef8 sp=0xc000319e90 pc=0x10ef285
testing.(*common).Errorf(0xc000158000, {0x14c6528?, 0xc000230000?}, {0xc000319fb8?, 0xc000145380?, 0xc000bbc140?})
	/tmp/buildlet/go/src/testing/testing.go:941 +0x65 fp=0xc000319f50 sp=0xc000319ef8 pc=0x10efe85
net/http_test.TestTransportNoReuseAfterEarlyResponse.func3()
	/tmp/buildlet/go/src/net/http/transport_test.go:3396 +0x139 fp=0xc000319fe0 sp=0xc000319f50 pc=0x13e2339
runtime.goexit()
	/tmp/buildlet/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc000319fe8 sp=0xc000319fe0 pc=0x106bb41
created by net/http_test.TestTransportNoReuseAfterEarlyResponse
	/tmp/buildlet/go/src/net/http/transport_test.go:3392 +0x4fd

— watchflakes

@bcmills
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bcmills commented Jan 6, 2023

The above two commits are both on release-branch.go1.19.

@neild, is this likely to have been fixed in 1.20?

@bcmills bcmills added the WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. label Jan 6, 2023
@bcmills bcmills mentioned this issue Jan 6, 2023
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@gopherbot
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Timed out in state WaitingForInfo. Closing.

(I am just a bot, though. Please speak up if this is a mistake or you have the requested information.)

@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportNoReuseAfterEarlyResponse"
2023-03-14 09:07 darwin-amd64-10_15 go@a54fe8a2 net/http.TestTransportNoReuseAfterEarlyResponse (log) 
--- FAIL: TestTransportNoReuseAfterEarlyResponse (0.00s)
    --- FAIL: TestTransportNoReuseAfterEarlyResponse/h1 (7.07s)
        transport_test.go:3414: Closed server connection
        transport_test.go:3458: timeout waiting for GET request to finish
panic: Fail in goroutine after TestTransportNoReuseAfterEarlyResponse has completed

goroutine 4536 [running]:
panic({0x1421ba0?, 0xc00117f1e0?})
	/tmp/buildlet/go/src/runtime/panic.go:1016 +0x3ac fp=0xc0007a7e28 sp=0xc0007a7d78 pc=0x10345ec
testing.(*common).Fail(0xc000218b60)
	/tmp/buildlet/go/src/testing/testing.go:952 +0xdd fp=0xc0007a7e90 sp=0xc0007a7e28 pc=0x10ef51d
testing.(*common).Fail(0xc000316000)
	/tmp/buildlet/go/src/testing/testing.go:946 +0x45 fp=0xc0007a7ef8 sp=0xc0007a7e90 pc=0x10ef485
testing.(*common).Errorf(0xc000316000, {0x14b66e6?, 0xc0005b4600?}, {0xc0014befb8?, 0xc000313520?, 0x300000000000000?})
	/tmp/buildlet/go/src/testing/testing.go:1069 +0x5e fp=0xc0007a7f50 sp=0xc0007a7ef8 pc=0x10f00de
net/http_test.testTransportNoReuseAfterEarlyResponse.func3()
	/tmp/buildlet/go/src/net/http/transport_test.go:3447 +0x12d fp=0xc0007a7fe0 sp=0xc0007a7f50 pc=0x13bcbad
runtime.goexit()
	/tmp/buildlet/go/src/runtime/asm_amd64.s:1619 +0x1 fp=0xc0007a7fe8 sp=0xc0007a7fe0 pc=0x1068e01
created by net/http_test.testTransportNoReuseAfterEarlyResponse in goroutine 1828
	/tmp/buildlet/go/src/net/http/transport_test.go:3443 +0x479

— watchflakes

@gopherbot gopherbot reopened this Mar 14, 2023
@bcmills bcmills removed the WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. label Mar 14, 2023
@bcmills
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bcmills commented Mar 14, 2023

That last one is a recent commit on the main branch.

@bcmills
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bcmills commented Mar 20, 2023

This failure mode is fixed by https://go.dev/cl/477196. (It is possible that the test will still fail due to a deadlock or a default timeout on the transport, but watchflakes can file a new issue for the new failure mode.)

@bcmills bcmills closed this as completed Mar 20, 2023
@bcmills bcmills added this to the Go1.21 milestone Mar 20, 2023
@bcmills bcmills self-assigned this Mar 20, 2023
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