不支持的類版本錯誤

雖然試圖調用EJB使用（使用jdk1.7）從客戶端使用Eclipse IDE（使用JDK1.6）製成的NetBeans做，我收到以下錯誤 -不支持的類版本錯誤

Exception in thread "main" java.lang.UnsupportedClassVersionError: stateless/TestEjbRemote : Unsupported major.minor version 51.0 
    at java.lang.ClassLoader.defineClass1(Native Method) 
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) 
    at java.lang.ClassLoader.defineClass(ClassLoader.java:615) 
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) 
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) 
    at java.net.URLClassLoader.access$000(URLClassLoader.java:58) 
    at java.net.URLClassLoader$1.run(URLClassLoader.java:197) 
    at java.security.AccessController.doPrivileged(Native Method) 
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190) 
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306) 
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) 
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247) 
    at com.sun.ejb.EJBUtils.getBusinessIntfClassLoader(EJBUtils.java:688) 
    at com.sun.ejb.EJBUtils.loadGeneratedRemoteBusinessClasses(EJBUtils.java:463) 
    at com.sun.ejb.EJBUtils.lookupRemote30BusinessObject(EJBUtils.java:414) 
    at com.sun.ejb.containers.RemoteBusinessObjectFactory.getObjectInstance(RemoteBusinessObjectFactory.java:75) 
    at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304) 
    at com.sun.enterprise.naming.impl.SerialContext.getObjectInstance(SerialContext.java:556) 
    at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:514) 
    at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:455) 
    at javax.naming.InitialContext.lookup(InitialContext.java:392) 
    at Main.main(Main.java:19)

任何解決這個問題？

來源

2012-02-01 Rohit Elayathu

看到這個... HTTP：//stackoverflow.com/questions/6066103/what-is-the-reason-for-unsupportedclassversionerror – 2012-02-01 07:01:38