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Temporary work-around:
root@kali:~/Downloads/Slicer-4.9.0-2018-05-02-linux-amd64# cp resources/* libexec/
root@kali:~/Downloads/Slicer-4.9.0-2018-05-02-linux-amd64# |
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According to the documentation (https://doc.qt.io/qt-5.10/qtwebengine-deploying.html), it is supposed to search in
On Linux and Windows: the resources directory in the directory specified by QLibraryInfo::location(QLibraryInfo::DataPath)
which is:
<pre>
l = qt.QLibraryInfo
l.location(l.DataPath)
u'/root/Downloads/Slicer-4.9.0-2018-05-02-linux-amd64'
</pre>
But maybe a different location is hard-coded in QWebEngineProcess, and it doesn't pick up the main QApp setting because it is launched separately?
some related discussion: https://github.com/probonopd/linuxdeployqt/issues/57 |
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Another solution is to add a file called qt.conf in libexec with the contents:
<pre>
[Paths]
Prefix=../resources
</pre>
from: https://forum.qt.io/topic/52666/error-resource_bundle-cc-639-failed-to-load-qtwebengine_resources-pak/3 |
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Here's the proper upstream bug and fix: https://codereview.qt-project.org/#/c/220734/
Not available until 5.11 though, so qt.conf temporary solution proposed here:
https://github.com/Slicer/Slicer/pull/944 |
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Thanks to @inorton, workaround implemented in r27179
See http://viewvc.slicer.org/viewvc.cgi/Slicer4?view=revision&revision=27179 |
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Thank you jcfr and norton for fixing the bug. It is working now. I could install the extensions without problem. But I noticed some messages in the command window which I am pasting below. I think that should not be a problem. The modified code could finally QtWebEngineProcess path.
[devakumar@ipl Slicer-4.9.0-2018-05-08-linux-amd64]$ ./Slicer
libpng warning: iCCP: known incorrect sRGB profile
Switch to module: "Welcome"
An OpenGL Core Profile was requested, but it is not supported on the current platform. Falling back to a non-Core profile. Note that this might cause rendering issues.
[0510/025055.729331:WARNING:stack_trace_posix.cc(648)] Failed to open file: /tmp/ffiw5HDkC (deleted)
Error: No such file or directory
Qt WebEngine ICU data not found at /home/devakumar/Documents/software/slicer/2018/May/Slicer-4.9.0-2018-05-08-linux-amd64/resources/resources. Trying parent directory...
Installed Qt WebEngine locales directory not found at location /home/devakumar/Documents/software/slicer/2018/May/Slicer-4.9.0-2018-05-08-linux-amd64/resources/translations/qtwebengine_locales. Trying application directory...
Qt WebEngine locales directory not found at location /home/devakumar/Documents/software/slicer/2018/May/Slicer-4.9.0-2018-05-08-linux-amd64/libexec/qtwebengine_locales. Trying fallback directory... Translations MAY NOT not be correct.
Path override failed for key ui::DIR_LOCALES and path '/home/devakumar/.QtWebEngineProcess'
Qt WebEngine resources not found at /home/devakumar/Documents/software/slicer/2018/May/Slicer-4.9.0-2018-05-08-linux-amd64/resources/resources. Trying parent directory...
[0510/025056.203696:WARNING:resource_bundle_qt.cpp(115)] locale_file_path.empty() for locale
[4024:4051:0510/025104.723475:ERROR:nss_ocsp.cc(613)] No URLRequestContext for NSS HTTP handler. host: ocsp.digicert.com
[4024:4051:0510/025104.723515:ERROR:nss_ocsp.cc(613)] No URLRequestContext for NSS HTTP handler. host: ocsp.digicert.com
[4024:4051:0510/025104.723582:ERROR:nss_ocsp.cc(613)] No URLRequestContext for NSS HTTP handler. host: crl4.digicert.com
[4024:4051:0510/025104.729200:ERROR:nss_ocsp.cc(613)] No URLRequestContext for NSS HTTP handler. host: ocsp.digicert.com
[4024:4051:0510/025104.729293:ERROR:nss_ocsp.cc(613)] No URLRequestContext for NSS HTTP handler. host: ocsp.digicert.com
[4024:4051:0510/025104.729374:ERROR:nss_ocsp.cc(613)] No URLRequestContext for NSS HTTP handler. host: crl4.digicert.com
"Retrieving extension metadata [ extensionId: 224045]"
"Downloading extension [ itemId: 358986]" |
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@devakumar The different warnings and errors are now tracked in dedicated issues (see related issues above) |
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