eclipse build error :Unsupported major.minor version 52.0
2017-02-17 13:01
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Errors occurred during the build.Errors running builder 'Android Package Builder' on project '**'.com/android/dx/command/dexer/Main : Unsupported major.minor version 52.0JDK版本不一致造成的,指的是高版本的JDK编译的class不能放在低版本的JDK上运行。如果是Version 52,就表示JDK8编译的class不能运行在JDK7上,所以需要在本地安装JDK8. 如果是Version 51,就表示JDK7编译的class不能运行在JDK6上,所以需要在本地安装JDK7.不同的JDK版本使用的 major.minor version(主次版本号) 不同,所以会导致这个错误。
JavaSE 8 = 52 (0x34 hex), JavaSE 7 = 51 (0x33 hex), JavaSE 6 = 50 (0x32 hex), JavaSE 5 = 49 (0x31 hex), J2SE 1.4 = 48 (0x30 hex), J2SE 1.3 = 47 (0x2F hex), J2SE 1.2 = 46 (0x2E hex), J2SE 1.1 = 45 (0x2D hex)
解决方案一:选择项目,右键 Properties-->JAVA Compiler-中的Compiler compliance level从1.8改成1.7
解决方案二:eclipse.ini指定jdk1.8版本
在eclipse.ini文件中添加下面两行
随着Android API级别不同,使用的jdk版本也不同,需要根据错误安装对应的jdk版本,jdk下载地址
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