Question

我有一个程序，它使用在netbeans上运行良好的opencv库，但是当我尝试使用此命令在netbeans之外运行它时：

java -jar RecupPhotoV1
pause

我收到了这个错误：

Exception in thread "main" java.lang.UnsatisfiedLinkError: no   opencv_java300 in 
java.library.path
        at java.lang.ClassLoader.loadLibrary(Unknown Source)
        at java.lang.Runtime.loadLibrary0(Unknown Source)
        at java.lang.System.loadLibrary(Unknown Source)
        at recupphoto.Ihm.<init>(Ihm.java:96)
        at recupphoto.RecupPhoto.main(RecupPhoto.java:18)

我把项目构建到文件夹dist中，jar在这里，opencv_300.jar在lib文件夹中。我的目标是让这个应用程序在其他计算机上运行，而不是netbeans只是通过在与我的jar相同的文件夹中运行.bat或脚本

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编辑：昨天尝试了一些事情，我将我的项目从netbeans导出到eclipse，然后是一个带有新清单等的新教程，我想，情况会好转。现在，如果我执行：

java -jar RecupPhoto.jar

有了这个清单：

Manifest-Version: 1.0
Main-class: RecupPhoto
Class-path: opencv-300.jar

我遇到线程错误，

Exception in thread "main" java.lang.NoClassDefFoundError: org/opencv/videoio/VideoCapture
        at java.lang.Class.getDeclaredMethods0(Native Method)
        at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
        at java.lang.Class.getDeclaredMethod(Unknown Source)
        at java.awt.Component.isCoalesceEventsOverriden(Unknown Source)
        at java.awt.Component.access$500(Unknown Source)
        at java.awt.Component$3.run(Unknown Source)
        at java.awt.Component$3.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.awt.Component.checkCoalescing(Unknown Source)
        at java.awt.Component.<init>(Unknown Source)
        at java.awt.Container.<init>(Unknown Source)
        at java.awt.Window.<init>(Unknown Source)
        at java.awt.Frame.<init>(Unknown Source)
        at java.awt.Frame.<init>(Unknown Source)
        at javax.swing.JFrame.<init>(Unknown Source)
        at Ihm.<init>(Ihm.java:82)
        at RecupPhoto.main(RecupPhoto.java:10)
Caused by: java.lang.ClassNotFoundException: org.opencv.videoio.VideoCapture
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 17 more

Duno可能是什么原因？

Answer 1

opencv jar必须在classpath中。你必须运行类似的东西：

java -classpath / path / to / lib -jar RecupPhotoV1

如何使用外部lib在ide外部运行jar

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1 个答案: