Java报错信息 java.lang.SecurityException: Prohibited package name: java.xxx

时间：2022-05-23 04:47:16
package java.yun.System;

public class SystemOut {

    public static void main(String[] args) {

        System.out.println("输出");

    }

}

报错信息

java.XXXXXXXXX

java.lang.SecurityException: Prohibited package name: java.XXXXX

    at java.lang.ClassLoader.preDefineClass(ClassLoader.java:658)

    at java.lang.ClassLoader.defineClass(ClassLoader.java:794)

    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 sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482)

Exception in thread "main"

Process finished with exit code 1

原因 JVM禁止包的开头为java

解决方法 请自行脑补。

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