1640563 - Intermittent wpt exception "WORKER EXCEPTION due to *tcclient.APICallException error when requesting url from queue to upload artifact to. Root cause: &json.SyntaxError{msg:"unexpected end of JSON input", Offset:0}"

Status: RESOLVED DUPLICATE of bug 1598590

(Taskcluster :: General, defect)

Description

[Narcis Beleuzu [:NarcisB]]

Push: https://treeherder.mozilla.org/#/jobs?repo=autoland&resultStatus=testfailed%2Cbusted%2Cexception%2Crunnable&classifiedState=unclassified&revision=4b153b20e8d1822f8b103c537d346d541cee7052&searchStr=OS%2CX%2C10.14%2Cdebug%2CWeb%2Cplatform%2Ctests%2Ctest-macosx1014-64%2Fdebug-web-platform-tests-e10s-14%2CW%28wpt14%29&selectedTaskRun=EigwJqr_TD2udg0-F5FQ7g-0
live_backing.log : https://firefoxci.taskcluster-artifacts.net/EigwJqr_TD2udg0-F5FQ7g/0/public/logs/live_backing.log

Log snippet:
[task 2020-05-25T01:50:00.251Z] 01:50:00 INFO - run-tests - Wall time: 5201s; CPU: 25.0%; Read bytes: 364380160; Write bytes: 4252286976; Read time: 3855; Write time: 32129
[fetches 2020-05-25T01:50:01.240Z] removing /Users/cltbld/tasks/task_1590365981/fetches
[fetches 2020-05-25T01:50:01.242Z] finished
[taskcluster 2020-05-25T01:50:01.254Z] Exit Code: 0
[taskcluster 2020-05-25T01:50:01.254Z] User Time: 2h8m35.359337s
[taskcluster 2020-05-25T01:50:01.254Z] Kernel Time: 14m22.606812s
[taskcluster 2020-05-25T01:50:01.254Z] Wall Time: 1h28m21.377290128s
[taskcluster 2020-05-25T01:50:01.254Z] Result: SUCCEEDED
[taskcluster 2020-05-25T01:50:01.254Z] === Task Finished ===
[taskcluster 2020-05-25T01:50:01.254Z] Task Duration: 1h28m21.38098728s
[taskcluster 2020-05-25T01:50:01.348Z] Uploading artifact public/logs/localconfig.json from file logs/localconfig.json with content encoding "gzip", mime type "application/json" and expiry 2021-05-24T23:41:47.685Z
[taskcluster 2020-05-25T01:50:01.631Z] Uploading artifact public/test_info/resource-usage.json from file build/blobber_upload_dir/resource-usage.json with content encoding "gzip", mime type "application/json" and expiry 2021-05-24T23:41:47.685Z
[taskcluster 2020-05-25T01:50:02.082Z] Uploading artifact public/test_info/wpt_errorsummary.log from file build/blobber_upload_dir/wpt_errorsummary.log with content encoding "gzip", mime type "text/plain" and expiry 2021-05-24T23:41:47.685Z
[taskcluster 2020-05-25T01:50:02.180Z] Uploading artifact public/test_info/wpt_instruments.txt from file build/blobber_upload_dir/wpt_instruments.txt with content encoding "gzip", mime type "text/plain; charset=utf-8" and expiry 2021-05-24T23:41:47.685Z
[taskcluster:error] goroutine 1 [running]:
[taskcluster:error] runtime/debug.Stack(0xc422ae1320, 0x14e1220, 0xc4202f8d30)
[taskcluster:error] /home/travis/.gimme/versions/go1.10.3.src/src/runtime/debug/stack.go:24 +0xa7
[taskcluster:error] main.(*TaskRun).Run.func2(0xc4227c8020, 0xc420088a00, 0xc4227c8048)
[taskcluster:error] /home/travis/gopath/src/github.com/taskcluster/generic-worker/main.go:1228 +0x22a
[taskcluster:error] panic(0x14e1220, 0xc4202f8d30)
[taskcluster:error] /home/travis/.gimme/versions/go1.10.3.src/src/runtime/panic.go:502 +0x229
[taskcluster:error] main.(*TaskRun).uploadArtifact(0xc420088a00, 0x1649000, 0xc4208078c0, 0x1c)
[taskcluster:error] /home/travis/gopath/src/github.com/taskcluster/generic-worker/artifacts.go:474 +0x1076
[taskcluster:error] main.(*TaskRun).Run.func4(0xc420088a00, 0xc4227c8020)
[taskcluster:error] /home/travis/gopath/src/github.com/taskcluster/generic-worker/main.go:1329 +0x23c
[taskcluster:error] main.(*TaskRun).Run(0xc420088a00, 0xc42028ac80)
[taskcluster:error] /home/travis/gopath/src/github.com/taskcluster/generic-worker/main.go:1394 +0x182e
[taskcluster:error] main.RunWorker(0x0)
[taskcluster:error] /home/travis/gopath/src/github.com/taskcluster/generic-worker/main.go:774 +0xc95
[taskcluster:error] main.main()
[taskcluster:error] /home/travis/gopath/src/github.com/taskcluster/generic-worker/main.go:498 +0xb06
[taskcluster:error]
[taskcluster:error] &errors.errorString{s:"WORKER EXCEPTION due to *tcclient.APICallException error when requesting url from queue to upload artifact to. Root cause: &json.SyntaxError{msg:"unexpected end of JSON input", Offset:0}"}
[taskcluster:error] WORKER EXCEPTION due to *tcclient.APICallException error when requesting url from queue to upload artifact to. Root cause: &json.SyntaxError{msg:"unexpected end of JSON input", Offset:0}

Comment 1

[Intermittent Failures Robot]

1 failures in 4727 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• macosx1014-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1640563&startday=2020-05-18&endday=2020-05-24&tree=all

Comment 2

[Intermittent Failures Robot]

1 failures in 4949 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• macosx1014-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1640563&startday=2020-06-01&endday=2020-06-07&tree=all

Comment 3

[BugBot [:suhaib / :marco/ :calixte]]

The severity field is not set for this bug.
:jgraham, could you have a look please?

For more information, please visit auto_nag documentation.

Comment 4

[James Graham [:jgraham]]

This is happening after wpt is finished, so I think it's a TC reliability issue.