Caused by: java.lang.NoClassDefFoundError: javax/wsdl/extensions/ExtensibilityElement_caused by: java.lang.securityexception: class "jav-优快云博客

本文链接：https://blog.youkuaiyun.com/zt13258579889/article/details/82688723

本文详细解析了Java中出现Causedby:java.lang.NoClassDefFoundError错误的原因，特别是当试图加载javax/wsdl/extensions/ExtensibilityElement类时。文章提供了具体的堆栈跟踪信息，并指出了解决此问题的关键在于添加缺失的jar包wsdl4j-1.6.3.jar。

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Caused by: java.lang.NoClassDefFoundError: javax/wsdl/extensions/ExtensibilityElement
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 java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
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)