hi to all,
I installed Qt5.3.0, and after installing, when i started qtcreator, i got following error :-
Qt Code: 
  1. [root@kaljayi bin]# ./qtcreator
  2. Qt: Session management error: None of the authentication protocols specified are supported
  3.  
  4. (<unknown>:27276): Gtk-WARNING **: Attempt to load unknown IM context type 'gtk-im-context-none'
  5. Failed to load core: /opt/Qt5.3.0/Tools/QtCreator/lib/qtcreator/plugins/QtProject/libCore.so: Cannot load library
  6.  /opt/Qt5.3.0/Tools/QtCreator/lib/qtcreator/plugins/QtProject/libCore.so: 
  7. (/usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.15' not found (required by
  8.  /opt/Qt5.3.0/Tools/QtCreator/lib/qtcreator/plugins/QtProject/../.././libQt5CLucene.so.5))
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how to overcome this problem?