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Message #102932
[Bug 1470700] Re: QNetworkAccessManager hangs when in flight mode
Set to triaged for thumbnailer so we can track it.
** Changed in: thumbnailer (Ubuntu)
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1470700
Title:
QNetworkAccessManager hangs when in flight mode
Status in qtbase-opensource-src package in Ubuntu:
Confirmed
Status in thumbnailer package in Ubuntu:
Triaged
Bug description:
When my phone is in flight mode, HTTP requests made using
QNetworkAccessManager seem to hang rather than erroring out
immediately.
From my tests, it looks like the HTTP request is blocked until the
flight mode is disabled and a network connection is reestablished.
This is contrary to the documentation, which states:
"""If the network is not accessible the network access manager will
not process any new network requests, all such requests will fail with
an error. Requests with URLs with the file:// scheme will still be
processed."""
http://doc.qt.io/qt-5/qnetworkaccessmanager.html#networkAccessible-
prop
By running strace on my test program, it doesn't even look like it
attempts to open a TCP connection when blocked in flight mode.
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References