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POCannot Run Project in Eclipse C/C++ OpenCV 2.4.5 Ubuntu 12.10
 

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  1. POCannot Run Project in Eclipse C/C++ OpenCV 2.4.5 Ubuntu 12.10
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    <p>I have just installed OpenCV 2.4.5 and Eclipse IDE for C/C++ Developers on Ubuntu 12.10 and followed <a href="http://docs.opencv.org/doc/tutorials/introduction/linux_eclipse/linux_eclipse.html#linux-eclipse-usage" rel="nofollow">this opencv.org tutorial</a>. The project builds with no errors but when I reach the "Running the executable" section from Eclipse, I get the following message after hitting Run:</p> <blockquote> <p>/home/pedro/workspace/di/Debug/di: error while loading shared libraries: libopencv_core.so.2.4: cannot open shared object file: No such file or directory</p> </blockquote> <p>Does anyone have any suggestions on how to solve this issue?</p> <p>EDIT:</p> <p>Using <code>sudo dpkg -l | grep opencv</code> gives:</p> <ul> <li>ii libopencv-calib3d2.3 2.3.1-11ubuntu2 amd64 computer vision Camera Calibration library</li> <li>ii libopencv-contrib2.3 2.3.1-11ubuntu2 amd64 computer vision contrib library</li> <li>ii libopencv-core-dev 2.3.1-11ubuntu2 amd64 development files for libopencv-core</li> <li>ii libopencv-core2.3 2.3.1-11ubuntu2 amd64 computer vision core library</li> <li>ii libopencv-features2d2.3 2.3.1-11ubuntu2 amd64 computer vision Feature Detection and Descriptor Extraction library</li> <li>ii libopencv-flann-dev 2.3.1-11ubuntu2 amd64 development files for libopencv-flann</li> <li>ii libopencv-flann2.3 2.3.1-11ubuntu2 amd64 computer vision Clustering and Search in Multi-Dimensional spaces library</li> <li>ii libopencv-gpu-dev 2.3.1-11ubuntu2 amd64 development files for libopencv-gpu</li> <li>ii libopencv-gpu2.3 2.3.1-11ubuntu2 amd64 computer vision GPU Processing library</li> <li>ii libopencv-highgui2.3 2.3.1-11ubuntu2 amd64 computer vision High-level GUI and Media I/O library</li> <li>ii libopencv-imgproc-dev 2.3.1-11ubuntu2 amd64 development files for libopencv-imgproc</li> <li>ii libopencv-imgproc2.3 2.3.1-11ubuntu2 amd64 computer vision Image Processing library</li> <li>ii libopencv-legacy2.3 2.3.1-11ubuntu2 amd64 computer vision legacy library</li> <li>ii libopencv-ml-dev 2.3.1-11ubuntu2 amd64 development files for libopencv-ml</li> <li>ii libopencv-ml2.3 2.3.1-11ubuntu2 amd64 computer vision Machine Learning library</li> <li>ii libopencv-objdetect2.3 2.3.1-11ubuntu2 amd64 computer vision Object Detection library</li> <li>ii libopencv-video-dev 2.3.1-11ubuntu2 amd64 development files for libopencv-video</li> <li>ii libopencv-video2.3 2.3.1-11ubuntu2 amd64 computer vision Video analysis library</li> <li>ii opencv-doc 2.3.1-11ubuntu2 all OpenCV documentation and examples</li> <li>ii python-opencv 2.3.1-11ubuntu2 amd64 Python bindings for the computer vision library</li> <li>rc ros-fuerte-opencv2 2.4.2-0precise-20120908-1624-+0000 amd64 OpenCV</li> <li>rc ros-groovy-opencv2 2.4.4-1quantal-20130325-0857-+0000 amd64 OpenCV</li> </ul> <p>Sorry the formatting is not the best. </p> <p>The command "locate libopencv_core"</p> <ul> <li>/usr/lib/libopencv_core.a</li> <li>/usr/lib/libopencv_core.so</li> <li>/usr/lib/libopencv_core.so.2.3</li> <li>/usr/lib/libopencv_core.so.2</li> </ul> <p>"locate libopencv" shows a extensive list that I don't know if it would be appropriate to copy it.</p>
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    1. COThat's interesting. What is the output when you say `"locate libopencv"` or `"locate libopencv_core"` in command prompt? Is there any such file there but with other version? Did you install some packages manually, or all from repository? (Were there `ldconfig` issued?)
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    2. CO"locate libopencv_core" gives the following: /usr/lib/libopencv_core.a /usr/lib/libopencv_core.so /usr/lib/libopencv_core.so.2.3 /usr/lib/libopencv_core.so.2.3.1 I installed all of them from repository following tutorials and using ldconfig in one of the steps.
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    3. COYou say it returns nothing? What does `"locate libopencv"` return and now most importantly, what does `sudo dpkg -l | grep opencv` shows?
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