入Lucene的第一個坑

興致勃勃的下載了Lucene6的Jar包，打算跑個Demo看下它神奇的魅力，結果一運行就出錯了

Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/lucene/analysis/Analyzer : Unsupported major.minor version 52.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2615)
	at java.lang.Class.getMethod0(Class.java:2856)
	at java.lang.Class.getMethod(Class.java:1668)
	at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:494)
	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:486)

　網上一查，好像和JDK版本有關，試了1.6,1.7都還是不行，結果官網上一查，原來我用的Lucene 6，有最低的Jre要求

附上地址：https://lucene.apache.org/

好吧，繼續下載jdk8開始下一步驟~