[mythtv-users] QSqlDatabase: QMYSQL3 driver not loaded

[Juergen Sachs]

Hi,

I checked for old version of the mythtv libs and removed them all.
I redo all the configuration steps (dist clean, configure, qmake, make, make 
install) but got the same error message. ldconfig -v gave the following 
result:
----------------------------
ldconfig -v|grep myth
        libmythlivemedia-0.20.so.0 -> libmythlivemedia-0.20.so.0.20.0
        libmythupnp-0.20.so.0 -> libmythupnp-0.20.so.0.20.0
        libmythfreemheg-0.20.so.0 -> libmythfreemheg-0.20.so.0.20.0
        libmythui-0.20.so.0 -> libmythui-0.20.so.0.20.0
        libmythtv-0.20.so.0 -> libmythtv-0.20.so.0.20.0
        libmyth-0.20.so.0 -> libmyth-0.20.so.0.20.0
        libmythavformat-0.20.so.0 -> libmythavformat-0.20.so.0.20.0
        libmythavcodec-0.20.so.0 -> libmythavcodec-0.20.so.0.20.0
        libmythavutil-0.20.so.0 -> libmythavutil-0.20.so.0.20.0
----------------------------
So I do not have references to old libs. Now I am stuck.....
I currently compile the new v0.20 bzip files from the website, but the compile 
will still take a while....

if I try to start the mythbackend from svn I get
----------------------------
2006-09-11 23:05:53.352 Using runtime prefix = /usr/local
/usr/lib/libmysqlclient.so.14: undefined symbol:
QSqlDatabase: QMYSQL3 driver not loaded
/usr/lib/libmysqlclient.so.14: undefined symbol:
/usr/lib/libmysqlclient.so.14: undefined symbol:
QSqlDatabase: available drivers:
2006-09-11 23:05:53.523 New DB connection, total: 1
2006-09-11 23:05:53.523 Unable to connect to database!
2006-09-11 23:05:53.523 No error type from QSqlError?  Strange...
QSqlQuery::exec: database not open
QSqlQuery::exec: database not open
2006-09-11 23:05:53.577 DB Error (KickDatabase):
Query was:
SELECT NULL;
No error type from QSqlError?  Strange...
2006-09-11 23:05:53.630 Failed to init MythContext, exiting.
----------------------------

Since my previous version worked well I am out of options.....

can someone tell me what is going on ?

Thanks
Juergen

> Am Sonntag, 10. September 2006 22:42 schrieb William Munson:
> > Juergen Sachs wrote:
> > > helo,
> > >
> > > until this morning I run mythtv svn rev 10946 which run quiet well.
> > > Today I decided to update and made:
> > > - svn up (now rev 11110)
> > > - make dist clean
> > > - configure (taking default values)
> > > - qmake mythtv.pro
> > > - make
> > > - make install
> > >
> > > and to test all I tried:
> > > "/usr/local/bin/mythbackend"
> > > and got the following:
> > > -------------------------------------------
> > > 2006-09-10 22:05:41.430 Using runtime prefix = /usr/local
> > > /usr/lib/libmysqlclient.so.14: undefined symbol:
> > > QSqlDatabase: QMYSQL3 driver not loaded
> > > /usr/lib/libmysqlclient.so.14: undefined symbol:
> > > /usr/lib/libmysqlclient.so.14: undefined symbol:
> > > QSqlDatabase: available drivers:
> > > 2006-09-10 22:05:41.493 New DB connection, total: 1
> > > 2006-09-10 22:05:41.493 Unable to connect to database!
> > > 2006-09-10 22:05:41.493 No error type from QSqlError?  Strange...
> > > QSqlQuery::exec: database not open
> > > QSqlQuery::exec: database not open
> > > 2006-09-10 22:05:41.546 DB Error (KickDatabase):
> > > Query was:
> > > SELECT NULL;
> > > No error type from QSqlError?  Strange...
> > > 2006-09-10 22:05:41.598 Failed to init MythContext, exiting.
> > > -------------------------------------------
> > >
> > > I guess this is something in my configuration, but I don't know what,
> > > since the previous version worked.
> > >
> > > Since with the old rev 10946 all worked, I should have iunstalled all
> > > needed mysql and qt files. I also find no note, that I have to take
> > > care about some changes.
> > >
> > > can someone give me a hint what is going on ?
> >
> > You have a library issue. Remove all references to the 0.19 libs as they
> > recently switched to 0.20 libs.
>
> I thought a "ldconfig" should do this ?
> how do I remove all the references or at least get a list of all ?
>
> Thanks for the help !
>
> Juegren
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