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java.lang.UnsupportedClassVersionError : com/google/appengine/tools/development/agent/AppEngineDevAgent : Unsupported major. 次要版本 51.0

转载 作者:塔克拉玛干 更新时间:2023-11-01 21:56:36 25 4
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当我尝试运行一个 gwt 项目时,出现以下错误

java.lang.UnsupportedClassVersionError: com/google/appengine/tools/development/agent/AppEngineDevAgent : Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:280)
at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:338)

native 方法中的 fatal error :-javaagent 处理失败线程“main”中的异常

我的JRE System Library是jre6,Compiler compliance level选择1.6,还是一样,怎么办?

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