businessobjects sdk java兼容性java版本

好的，我正在尝试制作一个SDK应用程序，我正在使用最新的Java版本（我相信Java 8u60），并且我已经在虚拟机上安装了SAP BI 4.1 SP 6。当我首先从BOE调度功能运行我的程序时，我得到了这个错误

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/ghc/bo/extract/ExecuteExtract : Unsupported major.minor version 52.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:735)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:716)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:336)
    at java.net.URLClassLoader.access$000(URLClassLoader.java:59)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:250)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:243)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:372)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:344)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:313)
    at com.crystaldecisions.sdk.plugin.desktop.program.internal.ProgramWrapper.main(ProgramWrapper.java:49)

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/ghc/bo/extract/ExecuteExtract : Unsupported major.minor version 51.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:735)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:716)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:336)
    at java.net.URLClassLoader.access$000(URLClassLoader.java:59)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:250)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:243)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:372)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:344)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:313)
    at com.crystaldecisions.sdk.plugin.desktop.program.internal.ProgramWrapper.main(ProgramWrapper.java:49)

然后我把编译器的一致性级别改为1.7，现在我得到了这个错误

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/ghc/bo/extract/ExecuteExtract : Unsupported major.minor version 52.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:735)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:716)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:336)
    at java.net.URLClassLoader.access$000(URLClassLoader.java:59)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:250)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:243)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:372)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:344)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:313)
    at com.crystaldecisions.sdk.plugin.desktop.program.internal.ProgramWrapper.main(ProgramWrapper.java:49)

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/ghc/bo/extract/ExecuteExtract : Unsupported major.minor version 51.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:735)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:716)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:336)
    at java.net.URLClassLoader.access$000(URLClassLoader.java:59)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:250)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:243)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:372)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:344)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:313)
    at com.crystaldecisions.sdk.plugin.desktop.program.internal.ProgramWrapper.main(ProgramWrapper.java:49)

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我需要将编译器符合性级别设置为1.6。OMFG

请注意，此限制是由于我们必须支持的应用程序服务器造成的。