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jar包
------解决方案--------------------
sun.misc.Unsafe
known versions
final class sun.misc.Unsafe [4858 bytes, jvm >= 1.4 ]
rt.jar
final class sun.misc.Unsafe [5878 bytes, jvm >= 1.5 ]
rt.jar
http://www.jarfinder.com/index.php/java/info/sun.misc.Unsafe
版本好老,你自己看看去吧。