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OS: Windows 7 64-bit
Java: C:\Program Files\Java\jdk1.8.0_202 [Installed jdk-8u202-windows-x64.exe]
Java 3d: C:\Program Files\Java\Java3D\1.5.1 [Installed java3d-1_5_1-windows-amd64.exe]
Environment Varaibles:
JAVA_HOME C:\Program Files\Java\jdk1.8.0_202
JRE_HOME C:\Program Files\Java\jdk1.8.0_202\jre
PATH=%PATH%:C:\Program Files\Java\jdk1.8.0_202\bin;C:\Program Files\Java\Java3D\1.5.1\bin;C:\Program Files\Java\Java3D\1.5.1\lib;

And also copied j3d jars[j3dcore.jar, j3dutils.jar and vecmath.jar] to C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext. j3dcore-ogl.dll to C:\Program Files\Java\jdk1.8.0_202\bin

运行经典的 HelloJava3D 程序并得到以下错误。我可以理解这是在寻找 Canvas3d 类，但它已经存在于其中一个 java3d jar 文件中。在stackoverflow中遇到过类似的线程，他们提到要检查类路径。上面我已经共享了我设置的路径。我错过了什么？ Java3D - 未找到某些类，但类路径设置正确 但在我的情况下，它显示一些 JNI 错误是因为某些架构不匹配吗？

D:\JavaSample>java HelloJava3D
Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.NoClassDefFoundError: javax/media/j3d/Canva
s3D
        at java.lang.Class.getDeclaredMethods0(Native Method)
        at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
        at java.lang.Class.privateGetMethodRecursive(Unknown Source)
        at java.lang.Class.getMethod0(Unknown Source)
        at java.lang.Class.getMethod(Unknown Source)
        at sun.launcher.LauncherHelper.validateMainClass(Unknown Source)
        at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
Caused by: java.lang.ClassNotFoundException: javax.media.j3d.Canvas3D
        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)
        ... 7 more

我项目中的一个工具依赖于 Java3d，我来自 c++ 背景并且是这个项目的新手。我无法弄清楚我错过了什么。请建议。

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0 回答 0