[Qt-interest] Error debugging (Unable to read symbols) on OS X

[Daniel França]

 Just to inform, now it's working...
I rebuided the project after add the dependencies in Qt Creator (before
that I was just rebuilding each of them manually)

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2011/11/22 Daniel França <daniel.franca at gmail.com>

> I'm building in debug mode... now I tried to debug the application in
> terminal instead of QtCreator and I got theses errors in sqlite plugin when
> I type run (after set some break points)
>
> Reading symbols for shared libraries unable to open symbol file:
> "/Developer/Applications/Qt/plugins/sqldrivers/libqsqlite.dylib.dSYM/Contents/Resources/DWARF/libqsqlite.dylib":
> can't read symbols: No more archived files.
> Segmentation fault
>
> I'm using SQLite.
>
>
> On Tue, Nov 22, 2011 at 8:54 AM, <eike.ziller at nokia.com> wrote:
>
>>
>> Hi,
>>
>> On 18 Nov 2011, at 14:45, ext Daniel França wrote:
>>
>> > here's the output of otool -L
>> >       libPythonQt.1.dylib (compatibility version 1.0.0, current version
>> 1.0.0)
>> >       QtTest.framework/Versions/4/QtTest (compatibility version 4.7.0,
>> current version 4.7.4)
>> >       /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
>> (compatibility version 1.0.0, current version 275.0.0)
>> >
>> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices
>> (compatibility version 1.0.0, current version 38.0.0)
>> >       /System/Library/Frameworks/Security.framework/Versions/A/Security
>> (compatibility version 1.0.0, current version 55002.0.0)
>> >       QtCore.framework/Versions/4/QtCore (compatibility version 4.7.0,
>> current version 4.7.4)
>> >       QtSql.framework/Versions/4/QtSql (compatibility version 4.7.0,
>> current version 4.7.4)
>> >       /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current
>> version 7.9.0)
>> >       /usr/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current
>> version 625.0.0)
>> >       /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
>> version 125.2.11)
>>
>> This looks fine if Qt is installed system-wide (e.g. in
>> /Library/Frameworks). Basically if it runs, you should also be able to
>> debug.
>>
>> >
>> > 2011/11/18 Konstantin Tokarev <annulen at yandex.ru>
>> > 18.11.2011, 02:32, "Daniel França" <daniel.franca at gmail.com>:
>> > > Hi,
>> > >
>> > > I recently migrate from Qt4.6.3 to Qt4.7.4 (Installed from Qt site,
>> including debug version)
>> > >
>> > > Everything seems to work fine.... but when I do try to debug my
>> application (an Qt UT app) I got theses messages:
>> > >
>> > > Debugging starts
>> > >
>> > > Unable to read symbols for "QtTest.framework/Versions/4/QtTest" (file
>> not found).
>> > >
>> > > Unable to read symbols from "QtTest" (not yet mapped into memory).
>> > >
>> > > Unable to read symbols for "QtCore.framework/Versions/4/QtCore" (file
>> not found).
>> > >
>> > > Unable to read symbols from "QtCore" (not yet mapped into memory).
>> > >
>> > > Unable to read symbols for "QtSql.framework/Versions/4/QtSql" (file
>> not found).
>> > >
>> > > Unable to read symbols from "QtSql" (not yet mapped into memory).
>> > >
>> > > but theses files are there under
>> /Library/Frameworks/QtTest.framework/Versions/4/ (and it works when I run
>> it)
>> > >
>> > > Any idea what it can be?
>> > >
>> > > I'm using Qt Creator 2.3.1 and OS X 10.6
>>
>> I assume that you not only get these messages, but also debugging your
>> application doesn't work?
>> As long as you are only debugging your own application's code and are not
>> trying to debug Qt code, these messages are probably irrelevant.
>> Are you sure that your application is actually compiled in debug mode?
>>
>> --
>> Eike Ziller
>> Principal Software Engineer
>>
>> Nokia, Qt Development Frameworks
>>
>> Nokia gate5 GmbH
>> Firmensitz: Invalidenstr. 117, 10115 Berlin, Germany
>> Registergericht: Amtsgericht Charlottenburg, Berlin: HRB 106443 B
>> Umsatzsteueridentifikationsnummer: DE 812 845 193
>> Geschäftsführer: Dr. Michael Halbherr, Karim Tähtivuori
>>
>>
>
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