Location of Qt 5.4 source code

JKSH

After nmake, I believe you need nmake install

SGaist

The documentation has been updated for the next release

slesher

Thanks for updating the documentation

Okay, i did mingw32-make install
So it copied qsqloci.dll and qsqlocid.dll to the sqldrivers and Qt5Sql_QOCIDriverPlugin.cmake (and i don't know what it is)
For being sure, i copied these .dll and libqsqlocid.a, libqsqloci.a to every folder which i thought could need them. When making a new project, qDebug()<<QSqlDatabase::drivers(); prints:
@("QSQLITE", "QMYSQL", "QMYSQL3", "QOCI", "QOCI8", "QODBC", "QODBC3", "QPSQL", "QPSQL7")@

But after i had tried to connect to my database, it failed and lastError().text() returned the next: "Driver not loaded Driver not loaded"

My code of connection:
@qDebug()<<QSqlDatabase::drivers();
QSqlDatabase db;
db.addDatabase("QOCI");
db.setHostName("192.168.2.");
db.setDatabaseName("orcl.slesherdb.");
db.setUserName("");
db.setPassword("");
bool ok = db.open();
qDebug()<<db.lastError().text();@

My listing of cmd after mingw32-make install

@D:\apps\QT5_4\5.4\Src\qtbase\src\plugins\sqldrivers\oci>mingw32-make install
mingw32-make -f Makefile.Release install
mingw32-make[1]: Entering directory 'D:/apps/QT5_4/5.4/Src/qtbase/src/plugins/sq
ldrivers/oci'
copy /y "........\plugins\sqldrivers\qsqloci.dll" "D:\apps\QT5_4\5.4\mingw491
_32\plugins\sqldrivers\qsqloci.dll"
1 file(s) copied.
copy /y D:\apps\QT5_4\5.4\Src\qtbase\lib\cmake\Qt5Sql\Qt5Sql_QOCIDriverPlugin.cm
ake D:\apps\QT5_4\5.4\mingw491_32\lib\cmake\Qt5Sql
1 file(s) copied.
mingw32-make[1]: Leaving directory 'D:/apps/QT5_4/5.4/Src/qtbase/src/plugins/sql
drivers/oci'
mingw32-make -f Makefile.Debug install
mingw32-make[1]: Entering directory 'D:/apps/QT5_4/5.4/Src/qtbase/src/plugins/sq
ldrivers/oci'
copy /y "........\plugins\sqldrivers\qsqlocid.dll" "D:\apps\QT5_4\5.4\mingw49
1_32\plugins\sqldrivers\qsqlocid.dll"
1 file(s) copied.
copy /y D:\apps\QT5_4\5.4\Src\qtbase\lib\cmake\Qt5Sql\Qt5Sql_QOCIDriverPlugin.cm
ake D:\apps\QT5_4\5.4\mingw491_32\lib\cmake\Qt5Sql
1 file(s) copied.
mingw32-make[1]: Leaving directory 'D:/apps/QT5_4/5.4/Src/qtbase/src/plugins/sql
drivers/oci'@

SGaist

I'd say the obi dll(s) can't be found by your application. Go to the run part of the Project panel and update the PATH environment variable by adding "D:\OClient\product\11.2.0\client_1\oci\lib\msvc" if it contains the dlls or the corresponding folder in there

slesher

Unfortunately, it has already been added.
And it has also been added Windows folder, System32 folder, and the bin folders of Oracle client and Oracle server, where oci.dll is placed

slesher

I did as you wrote here:http://qt-project.org/forums/viewthread/21546
So I added new environmental variable QT_DEBUG_PLUGINS = 1
There are lots of things I can't understand
So here is listing of application output:

@QFactoryLoader::QFactoryLoader() looking at "D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/libqsqloci.a"
"Plugin verification data mismatch in 'D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/libqsqloci.a'"
not a plugin
QFactoryLoader::QFactoryLoader() looking at "D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/libqsqlocid.a"
"Plugin verification data mismatch in 'D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/libqsqlocid.a'"
not a plugin
QFactoryLoader::QFactoryLoader() looking at "D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/oci.dll"
"Plugin verification data mismatch in 'D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/oci.dll'"
not a plugin
QFactoryLoader::QFactoryLoader() looking at "D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/qsqloci.dll"
Found metadata in lib D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/qsqloci.dll, metadata=
{
"IID": "org.qt-project.Qt.QSqlDriverFactoryInterface",
"MetaData": {
"Keys": [
"QOCI8",
"QOCI"
]
},
"className": "QOCIDriverPlugin",
"debug": false,
"version": 328704
}

"The plugin 'D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/qsqloci.dll' uses incompatible Qt library. (Cannot mix debug and release libraries.)"
not a plugin
QFactoryLoader::QFactoryLoader() looking at "D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/qsqlocid.dll"
Found metadata in lib D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/qsqlocid.dll, metadata=
{
"IID": "org.qt-project.Qt.QSqlDriverFactoryInterface",
"MetaData": {
"Keys": [
"QOCI8",
"QOCI"
]
},
"className": "QOCIDriverPlugin",
"debug": true,
"version": 328704
}

Got keys from plugin meta data ("QOCI8", "QOCI")

Got keys from plugin meta data ("windows")
QFactoryLoader::QFactoryLoader() checking directory path "D:/apps/QT5_4/Tools/QtCreator/bin/build-sql-Desktop_Qt_5_4_0_MinGW_32bit-Debug/debug/platforms" ...
loaded library "D:/apps/QT5_4/5.4/mingw491_32/plugins/platforms/qwindowsd.dll"
QFactoryLoader::QFactoryLoader() checking directory path "D:/apps/QT5_4/5.4/mingw491_32/plugins/platformthemes" ...
QFactoryLoader::QFactoryLoader() checking directory path "D:/apps/QT5_4/Tools/QtCreator/bin/build-sql-Desktop_Qt_5_4_0_MinGW_32bit-Debug/debug/platformthemes" ...
QFactoryLoader::QFactoryLoader() checking directory path "D:/apps/QT5_4/5.4/mingw491_32/plugins/platforminputcontexts" ...
QFactoryLoader::QFactoryLoader() checking directory path "D:/apps/QT5_4/Tools/QtCreator/bin/build-sql-Desktop_Qt_5_4_0_MinGW_32bit-Debug/debug/platforminputcontexts" ...
QFactoryLoader::QFactoryLoader() checking directory path "D:/apps/QT5_4/5.4/mingw491_32/plugins/generic" ...
QFactoryLoader::QFactoryLoader() checking directory path "D:/apps/QT5_4/Tools/QtCreator/bin/build-sql-Desktop_Qt_5_4_0_MinGW_32bit-Debug/debug/generic" ...
QFactoryLoader::QFactoryLoader() checking directory path "D:/apps/QT5_4/5.4/mingw491_32/plugins/styles" ...
QFactoryLoader::QFactoryLoader() checking directory path "D:/apps/QT5_4/Tools/QtCreator/bin/build-sql-Desktop_Qt_5_4_0_MinGW_32bit-Debug/debug/styles" ...
QFactoryLoader::QFactoryLoader() checking directory path "D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers" ...
QFactoryLoader::QFactoryLoader() looking at "D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/libqsqloci.a"
"Plugin verification data mismatch in 'D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/libqsqloci.a'"
not a plugin
QFactoryLoader::QFactoryLoader() looking at "D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/libqsqlocid.a"
"Plugin verification data mismatch in 'D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/libqsqlocid.a'"
not a plugin
QFactoryLoader::QFactoryLoader() looking at "D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/oci.dll"
"Plugin verification data mismatch in 'D:/apps/QT5_4/5.4/mingw491_32/plugins/sqldrivers/oci.dll'"
not a plugin

@

SGaist

Did you check the environment variable value in the run part ? Depending on when you did your modification, it might be not up to date

slesher

[quote author="SGaist" date="1424219154"]Did you check the environment variable value in the run part ? Depending on when you did your modification, it might be not up to date[/quote]

I'm not sure if I understood you. I changed only PATH variable, the other ones are by default.
And I am confused why QT_DEBUG_PLUGINS tells me that some of .dlls are not plugins, or uses incompatible Qt library. (Cannot mix debug and release libraries.)

SGaist

Some people change their system PATH rather than just in Qt Creator, that's why I asked the double check of PATH.

IIRC both debug and release dlls are stored in the same folder so Qt will check them all hence the incompatibility error message.

slesher

The problem is solved.
I have changed the part of code of connection:
@QSqlDatabase db;
db.addDatabase("QOCI");@

instead of

@QSqlDatabase db = QSqlDatabase::addDatabase("QOCI");@

When I guessed to change back, everything was ok.

Thanks a lot to all!