目录

目录

1. 报错信息 no opencv_java*** in java.library.path

1.1. 解决方法 no opencv_java*** in java.library.path

2. 报错信息 java.lang.UnsatisfiedLinkError: org.opencv.videoio.VideoCapture.VideoCapture_4(I)J

2.1. 解决方法 java.lang.UnsatisfiedLinkError: org.opencv.videoio.VideoCapture.VideoCapture_4(I)J

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1. 报错信息 no opencv_java*** in java.library.path

no opencv_java451 in java.library.path  # 不一定是451，有可能是别的，与opencv的版本对应

1.1. 解决方法 no opencv_java*** in java.library.path

https://opencv.org/releases

去官网下载对应的 .dll文件，对于上面的情况则是下载

 解压，然后从 build\java\x86 目录中把 opencv_java451.dll 复制到自己的 JDK /bin 目录下即可。

2. 报错信息 java.lang.UnsatisfiedLinkError: org.opencv.videoio.VideoCapture.VideoCapture_4(I)J

java.lang.UnsatisfiedLinkError: org.opencv.videoio.VideoCapture.VideoCapture_4(I)J

    at org.opencv.videoio.VideoCapture.VideoCapture_4(Native Method)
    at org.opencv.videoio.VideoCapture.<init>(VideoCapture.java:157)

2.1. 解决方法 java.lang.UnsatisfiedLinkError: org.opencv.videoio.VideoCapture.VideoCapture_4(I)J

在相应的类中增加如下代码

    static {
        System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
    }