UnsatisfiedLinkError given by Highghui.imread() on java [closed]

asked 2013-09-03 06:18:50 -0500

minly gravatar image

updated 2013-09-03 06:23:57 -0500

I want to use opencv in eclipse, so I built the opencv with java, and used it in eclipse. But I ran into the following problem when reading image using imread().

 Mat image = Highgui.imread("f:/smoothed1.jpg");

Exception in thread "main" java.lang.UnsatisfiedLinkError: org.opencv.highgui.Highgui.imread_1(Ljava/lang/String;)J
    at org.opencv.highgui.Highgui.imread_1(Native Method)
    at org.opencv.highgui.Highgui.imread(Highgui.java:352)
    at HelloCV.main(HelloCV.java:12)

Environment: win7 64bit opencv-2.4.6 jdk1.7.0_21

I searched a lot and have checked the native library path, but not work. So, any help is appreciated. Thanks.

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Closed for the following reason the question is answered, right answer was accepted by Andrey Pavlenko
close date 2013-09-09 10:10:48.287139



is it only imread ? or a general problem ?

did you add the path to the opencv-dlls to your PATH env var ?

(since the code in the opencv.jar depends on finding the dlls)

berak gravatar imageberak ( 2013-09-03 06:29:43 -0500 )edit

U r right, it is a general problem. I put the directory that contains opencv-java246.dll in PATH and CLASSPATH. And opencv libs were indeed chosen to be built as static libs. But the problem is still there.

minly gravatar imageminly ( 2013-09-03 08:46:55 -0500 )edit

I have found where the problem is. I should load the native library in the code which I didn't realized before. I really should look at the example in opencv first.

minly gravatar imageminly ( 2013-09-04 01:13:07 -0500 )edit