大华sdk使用时遇到“java.lang.NoClassDefFoundError: com/sun/jna/Callback”的解决方法
问题
在使用大华 sdk 进行开发时,打包jar文件后,运行报错:
Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/jna/Callback
at org.farpig.App.main(App.java:20)
Caused by: java.lang.ClassNotFoundException: com.sun.jna.Callback
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 1 more
或者报错:
Exception in thread "main" java.lang.NoSuchMethodError: com.sun.jna.Platform.getOSType()I
at org.farpig.dahua.lib.Utils.getOsPrefix(Utils.java:15)
at org.farpig.dahua.lib.Utils.getLoadLibrary(Utils.java:75)
at org.farpig.dahua.lib.NetSDKLib.<clinit>(NetSDKLib.java:17)
at org.farpig.dahua.service.InitServer.<clinit>(InitServer.java:17)
at org.farpig.App.main(App.java:20)
解决方法
添加如下依赖:
<dependency>
<groupId>net.java.dev.jna</groupId>
<artifactId>jna</artifactId>
<version>4.1.0</version>
</dependency>