不支持的JNI版本0xFFFFFFFF [英] unsupported JNI version 0xFFFFFFFF

问题描述

从java代码使用本机dll时有没有遇到过这个错误？
它是JNI库的版本吗？或未解决的依赖？

has anyone encountered that error while using native dll from java code? Is it the version of the JNI library? or an unresolved dependency?

错误：

Caused by: java.lang.UnsatisfiedLinkError: unsupported JNI version 0xFFFFFFFF required by C:\jnwasapi.dll
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary1(Unknown Source)
at java.lang.ClassLoader.loadLibrary0(Unknown Source)
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)

这是一个新的库我正在使用，其他工作正常。

This is a new library I'm using, the others working fine.

推荐答案

jnwasapi.dll 的 JNI_OnLoad 函数可能返回-1，这不是预期的值。 JNI_OnLoad 函数必须返回带有已知常量的 jint ，例如 JNI_VERSION_1_6 。 JNI_OnLoad 函数通常会在初始化失败时返回-1。例如，它可能试图加载一个无法找到的类。

The jnwasapi.dll's JNI_OnLoad function is probably returning -1, which is not an expected value. The JNI_OnLoad function must return a jint with a known constant, such as JNI_VERSION_1_6. It's common for JNI_OnLoad functions to return -1 if they fail to initialize. For example, it may have tried to load a class which couldn't be found.

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