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rosbag c++ API bug at execution

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Hi everyone, i'm having a real weird problem with the rosbag c++ API. I'm using QtCreator to develop on Ubuntu 14.04. Whenever I try to use a class from the rosbag library (rosbag::Bag or rosbag::View for instance), i can launch my program within QtCreator (Compile & Run) and everything works fine. But whenever i try to launch the generated .exe by double-clicking it, NOTHING happens at all (the program doesn't launch and nothing appears in system monitor). I can launch it by prompt line too, but it won't work for me (i launch other bash commands with QProcess and it closes the app..), i really need to be able to launch the .exe by double clicking it. I must say i have no clue about what the problem could be (permissions i guess? or something like this..). I tried to give rights to the .exe file by doing a chmod -x on it, but when i double click it i get this error message : Invalid url: '/local/etienne/QtWorkspace/build-test-Desktop-Debug/test' given, exiting No ':' in the uri I hope someone will be able to help me, thanks in advance, Etienne

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