appclassloader cannot be cast to class java.net.urlclassloader 是一个 ClassCastException 异常,表示你尝试将一个 jdk.internal.loader.ClassLoaders$AppClassLoader 类型的对象强制转换为 java.net.URLClassLoader 类型,但这两个类在 Java 的类层次结构中并不兼容。
//URL[] urls = {clazzPath.toURI().toURL()}; URL[] urls = {new URL("file:mysql-connector-java-5.1.12-bin.jar")}; //以默认的ClassLoader作为父类的ClassLoader, 创建URLClassLoader URLClassLoader myClassLoader = new URLClassLoader(urls);...
//URL[] urls = {clazzPath.toURI().toURL()}; URL[] urls = {new URL("file:mysql-connector-java-5.1.12-bin.jar")}; //以默认的ClassLoader作为父类的ClassLoader, 创建URLClassLoader URLClassLoader myClassLoader = new URLClassLoader(urls);...
[Springboot]class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader 问题:启动Application.java允许Eclipse中的springboot项目,出现以下情况 解决方法:将热部署的依赖去掉(在pom.xml中) <!-- 热部署 --> <dependency> <groupId>org.springframework.boot</groupId...
2.日志提示:Exception in thread "main" java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader 'bootstrap') ...
ClassCastException: android.support.v4.widget.SwipeRefreshLayout cannot be cast to android.support.v4.widget.SwipeRefreshLayout 问题分析: 同一个类的强制转换异常,肯定是由于不同ClassLoader加载出现的问题,打印一下两个ClassLoader,发现由布局文件解析出来的SwipeRefreshLayout是由PathClassLoader来加载,而不是...
lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader 'bootstrap') at org.apache.hadoop.hive.ql.session.Session...
It does produce the file, however. But when I run the step to create the .pdf, it crashes with: Exception in thread "main" java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$...
Exception in thread "main" java.lang.RuntimeException: java.lang.ClassCastException: jdk.internal.loader.ClassLoaders$AppClassLoader (in module: java.base) cannot be cast to java.net.URLClassLoader (in module: java.base) 后来发现新环境的jdk的版本是9。于是查了下资料,得出结论:Java9之后,应用程...
java.lang.ClassCastException: cn.com.nightfield.Plugin cannot be cast to cn.com.nightfield.Plugin AI代码助手复制代码 相同的class,竟然不能cast?这是什么鬼? 问题描述 自定义类加载器(Classloader)是很常见的,它可以让我们从自定义的文件系统目录,网络甚至是数据库的各种文件类型(jar,war,zip等)中加载clas...