Using a fresh profile with Thunderbird 55.0a1 (2017-05-15). When trying to open Help > Troubleshooting I get an empty tab with title "Loading...". Error Console shows: NS_ERROR_XPC_CANT_MODIFY_PROP_ON_WN: Cannot modify properties of a WrappedNative aboutRedirector.js:55 [Exception... "Component returned failure code: 0x80570034 (NS_ERROR_XPC_CANT_MODIFY_PROP_ON_WN) [nsIWebNavigation.loadURIWithOptions]" nsresult: "0x80570034 (NS_ERROR_XPC_CANT_MODIFY_PROP_ON_WN)" location: "JS frame :: chrome://global/content/bindings/browser.xml :: loadURIWithFlags/< :: line 150" data: no] TypeError: aOldTab._ext.glodaSearchBox is undefined searchBar.js:58:7 TypeError: aTab._ext.glodaSearchBox is undefined searchBar.js:63:9
That's a little hard to believe since we have a test "test-about-support.js" that checks the content of the trouble shooting page (about:support). However, I tried yesterday's Daily (2017-05-14) and it doesn't work. Aceman, can you please take a look here. Do we have a regression range? Alice, can you check this, still working on 2015-05-08.
Hmm, I ran mozmake SOLO_TEST=content-tabs/test-about-support.js mozmill-one on a local build of latest trunk and it passes. Equally, it works on my locally compiled 32bit build.
Also works on this Tinderbox build: https://treeherder.mozilla.org/#/jobs?repo=comm-central&revision=a09ebe0269abee8765beb01e997ecfa6dff01372 Now I got it: It has to do with bug 1362461. There were a few days where the test failed.
Status: NEW → RESOLVED
Last Resolved: a year ago
Resolution: --- → DUPLICATE
Duplicate of bug: 1362461
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