1452359 - "Log parsing failed. Unable to generate failure summary." for known failure

Status: RESOLVED DUPLICATE of bug 1492805

(Tree Management :: Treeherder, defect)

Description

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

https://treeherder.mozilla.org/#/jobs?repo=try&revision=db270242094976a08bb323d7335c4cf080ecae41&filter-resultStatus=testfailed&filter-resultStatus=busted&filter-resultStatus=exception&filter-resultStatus=usercancel&filter-resultStatus=runnable&group_state=expanded&selectedJob=172404464 has "Log parsing failed. Unable to generate failure summary." in "Failure Summary".

Open the raw log to find several matches for "TEST-UNEXPECTED-FAIL | dom/base/test/unit/test_xmlserializer.js" which the log summary should show:

[task 2018-04-06T23:36:12.756Z] 23:36:12     INFO -  TEST-START | dom/base/test/unit/test_xmlserializer.js
[task 2018-04-06T23:36:15.972Z] 23:36:15  WARNING -  TEST-UNEXPECTED-FAIL | dom/base/test/unit/test_xmlserializer.js | xpcshell return code: 0
[task 2018-04-06T23:36:15.973Z] 23:36:15     INFO -  TEST-INFO took 3217ms
[task 2018-04-06T23:36:15.973Z] 23:36:15     INFO -  >>>>>>>
[task 2018-04-06T23:36:15.973Z] 23:36:15     INFO -  dom/base/test/unit/test_xmlserializer.js | xpcw: cd /sdcard/tests/xpc/dom/base/test/unit
[task 2018-04-06T23:36:15.975Z] 23:36:15     INFO -  dom/base/test/unit/test_xmlserializer.js | xpcw: xpcshell -r /sdcard/tests/xpc/c/httpd.manifest --greomni /data/local/xpcb/target.apk -m -s -e const _HEAD_JS_PATH = "/sdcard/tests/xpc/head.js"; -e const _MOZINFO_JS_PATH = "/sdcard/tests/xpc/p/mozinfo.json"; -e const _TESTING_MODULES_DIR = "/sdcard/tests/xpc/m"; -f /sdcard/tests/xpc/head.js -e const _SERVER_ADDR = "localhost" -e const _HEAD_FILES = ["/sdcard/tests/xpc/dom/base/test/unit/head_utilities.js"]; -e const _JSDEBUGGER_PORT = 0; -e const _TEST_FILE = ["test_xmlserializer.js"]; -e const _TEST_NAME = "dom/base/test/unit/test_xmlserializer.js" -e _execute_test(); quit(0);
[task 2018-04-06T23:36:15.975Z] 23:36:15     INFO -  (xpcshell/head.js) | test MAIN run_test pending (1)
[task 2018-04-06T23:36:15.975Z] 23:36:15     INFO -  (xpcshell/head.js) | test MAIN run_test finished (1)
[task 2018-04-06T23:36:15.976Z] 23:36:15     INFO -  exiting test
[task 2018-04-06T23:36:15.976Z] 23:36:15     INFO -  TEST-PASS | dom/base/test/unit/test_xmlserializer.js | run_test/< - [run_test/< : 26] "<?xml version=\\"1.0\\" encoding=\\"UTF-8\\"?>\\n<foo/>\\n<!-- é -->" == "<?xml version=\\"1.0\\" encoding=\\"UTF-8\\"?>\\n<foo/>\\n<!-- é -->"
[task 2018-04-06T23:36:15.978Z] 23:36:15  WARNING -  TEST-UNEXPECTED-FAIL | dom/base/test/unit/test_xmlserializer.js | run_test/< - [run_test/< : 36] "<?xml version=\\"1.0\\" encoding=\\"UTF-8\\"?>\\r<foo/>\\r<!-- é -->" == "<?xml version=\\"1.0\\" encoding=\\"UTF-8\\"?>\\r<!DOCTYPE whatever PUBLIC \\"-//MOZ//WHATEVER//EN\\" \\"http://mozilla.org/ns/foo\\">\\r<foo xmlns=\\"htp://mozilla.org/ns\\">\\r    <baz/><!-- a comment --> <bar> &lt;robots&gt; &amp; &lt;aliens&gt;\\r<mozilla> a a a a a éèà ùûî</mozilla>\\r        <firefox>Lorem ip<!-- aaa -->sum dolor sit amet, consectetuer adipiscing elit. Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos hymenaeos. Nam tellus massa, fringilla aliquam, fermentum sit amet, posuere ac, est. Duis tristique egestas ligula. Mauris quis felis. Fusce a ipsum non lacus posuere aliquet. Sed fermentum posuere nulla. Donec tempor. Donec sollicitudin tortor lacinia libero ullamcorper laoreet. Cras quis nisi at odio consectetuer molestie.</firefox>\\r        <?xml-foo \\"hey\\" ?>\\r</bar>\\r              <!-- a comment \\r         on several lines-->\\r <?xml-foo \\"another pi on two lines\\"  \\r              example=\\"hello\\"?>\\r</foo>"
[task 2018-04-06T23:36:15.978Z] 23:36:15     INFO -  test_xmlserializer.js:run_test/<:36
[task 2018-04-06T23:36:15.978Z] 23:36:15     INFO -  resource://testing-common/PromiseTestUtils.jsm:ensureDOMPromiseRejectionsProcessed:110
[task 2018-04-06T23:36:15.978Z] 23:36:15     INFO -  /sdcard/tests/xpc/head.js:_execute_test:601
[task 2018-04-06T23:36:15.978Z] 23:36:15     INFO -  -e:null:1
[task 2018-04-06T23:36:15.979Z] 23:36:15     INFO -  exiting test

followed by more failures.

Comment 1

[Intermittent Failures Robot]

1 failures in 792 pushes (0.001 failures/push) were associated with this bug in the last 7 days.    

Repository breakdown:
* autoland: 1

Platform breakdown:
* linux32: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1452359&startday=2018-04-09&endday=2018-04-15&tree=trunk

Comment 2

[Intermittent Failures Robot]

1 failures in 2584 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:
* autoland: 1

Platform breakdown:
* android-em-4-2-x86: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1452359&startday=2018-10-22&endday=2018-10-28&tree=all

Comment 3

[Ed Morley [:emorley]]

The log from comment 0 no longer exists, so I can't verify why that failed.

However the instance in comment 2 gives:
`UnicodeDecodeError: 'utf8' codec can't decode byte 0xc3 in position 467: unexpected end of data`

...which is bug 1492805.