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  • ha456.jar打开dump文件报Unsupported major.minor version 51.0异常

    异常信息如下:

    C:UsersAdministrator>java -jar -Xmx2000m D:/ha456.jar F:/20160419_1048.dump
    Exception in thread "main" java.lang.UnsupportedClassVersionError: com/ibm/jinwoo/heap/HeapAnalyzer : Unsupported major.minor version 51.0
            at java.lang.ClassLoader.defineClass1(Native Method)
            at java.lang.ClassLoader.defineClassCond(Unknown Source)
            at java.lang.ClassLoader.defineClass(Unknown Source)
            at java.security.SecureClassLoader.defineClass(Unknown Source)
            at java.net.URLClassLoader.defineClass(Unknown Source)
            at java.net.URLClassLoader.access$000(Unknown Source)
            at java.net.URLClassLoader$1.run(Unknown Source)
            at java.security.AccessController.doPrivileged(Native Method)
            at java.net.URLClassLoader.findClass(Unknown Source)
            at java.lang.ClassLoader.loadClass(Unknown Source)
            at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
            at java.lang.ClassLoader.loadClass(Unknown Source)
    Could not find the main class: com.ibm.jinwoo.heap.HeapAnalyzer. Program will exit.


    网上搜罗发现是jdk版本不兼容,如果是jdk7编译生成的class,使用jdk6以下版本运行就会报Unsupported major.minor version 51.0异常


    因此,解决办法为使用jdk7或者jdk8运行ha456.jar


    参考资料:

    Unsupported major.minor version 51.0问题及解决方法

    http://nmskate.iteye.com/blog/1839631/



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  • 原文地址:https://www.cnblogs.com/wenlong/p/6188458.html
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