CXF安装和配置时出现Exception in thread "main" java.lang.UnsupportedClassVersionError:异常?
2017-12-08 10:38
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在cmd下测试CXF是否安装成功时,出现如下异常: C:\windows\system32>wsdl2java -h Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/cxf/tools/wsdlto/WSDLToJava : Unsupported major.minor version 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:791) 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$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:423) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482) 1.安装的JDK是java version "1.7.0_17" Java(TM) SE Runtime Environment (build 1.7.0_17-b02) Java HotSpot(TM) 64-Bit Server VM (build 23.7-b01, mixed mode) 2.在http://cxf.apache.org/download.html下载安装的CXF版本为apache-cxf-3.2.1
错误原因: 使用jdk7和apache-cxf-3.2.1,但cxf-3.2.1已经不支持jdk7,需要jdk8以上
jdk版本对照: J2SE 8 = 52.0, J2SE 7 = 51.0, J2SE 6.0 = 50.0
解决方案1: 更换jdk版本为jdk8
解决方案2: 降低CXF版本为apache-cxf-3.1.14
最终结果:
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