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qt5:issues [2016/04/14 08:33] – created niziakqt5:issues [2018/06/13 12:34] (current) – niziak
Line 1: Line 1:
 +====== QtWidgets/QApplication: No such file or directory ======
 +When compiling project using QT4.8:
 +<code>
 +fatal error: QtWidgets/QApplication: No such file or directory
 + #include <QtWidgets/QApplication>
 +</code>
 +
 +Wrong include in file (for QT5)
 +Should be 
 +<file | main.cpp>
 + #include <QApplication>
 +</file>
 +<file | main.pro>
 +TEMPLATE += app
 +QT += gui declarative
 +SOURCES += main.cpp
 +</file>
 +
 +
 +====== libQt5OpenGL.so.5: cannot open shared object file ======
 +<code>
 Got keys from plugin meta data ("gstreamermediaplayer") Got keys from plugin meta data ("gstreamermediaplayer")
 QFactoryLoader::QFactoryLoader() checking directory path "/usr/bin/mediaservice" ... QFactoryLoader::QFactoryLoader() checking directory path "/usr/bin/mediaservice" ...
Line 4: Line 25:
 QLibraryPrivate::loadPlugin failed on "/usr/lib/qt/plugins/mediaservice/libgstmediaplayer.so" : "Cannot load library /usr/lib/qt/plugins/mediaservice/libgstmediaplayer.so: (libQt5OpenGL.so.5: cannot open shared object file: No such file or directory)" QLibraryPrivate::loadPlugin failed on "/usr/lib/qt/plugins/mediaservice/libgstmediaplayer.so" : "Cannot load library /usr/lib/qt/plugins/mediaservice/libgstmediaplayer.so: (libQt5OpenGL.so.5: cannot open shared object file: No such file or directory)"
 defaultServiceProvider::requestService(): no service found for - "org.qt-project.qt.mediaplayer" defaultServiceProvider::requestService(): no service found for - "org.qt-project.qt.mediaplayer"
 +</code>