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java通过热更新
java通过热更新
打扰大家一下,请教一个技术问题,就是我这边做java线上代码热更新的功能, 自定义classloader ,系统启动的时候会把所有的类都加载,然后我这变在程序运行期间修改某个类,然后通过自定义的classloader 去重加加载这个修改的类,自定义的classloader ,重新覆写了Class> findClass(String name) throws ClassNotFoundException 发放,然后就是每次调用这个方法的时候,都是从新读写最新的.class 文件字节流, 但是重新加载还是
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[@talishboy][¥20]分布式系统中,java的线上项目能否使用classLoad等技术通过线上替换class文件实现热更新?
这种场景,我有一个spring boot 项目A打成jar包,部署在 a,b,c,d三台服务器中,现在发现项目A中一个class存在bug,设想是不重新发布代码,而是使用classload技术实现线上代码的替换来解决bug,问一下现在可以实现吗或者有成熟稳定方案实现吗
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Dragonwell
Alibaba Dragonwell 是一款免费的, 生产就绪型Open JDK 发行版,提供长期支持,包括性能增强和安全修复。完全兼容 Java SE 标准,您可以在任何常用操作系统(包括 Linux、Windows 和 macOS)上开发 Java 应用程序。
立即下载
了解更多
开发者必备
必备 IDE 插件
应用托管平台
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Dragonwell
Alibaba Dragonwell 是一款免费的, 生产就绪型Open JDK 发行版,提供长期支持,包括性能增强和安全修复。完全兼容 Java SE 标准,您可以在任何常用操作系统(包括 Linux、Windows 和 macOS)上开发 Java 应用程序。
立即下载
了解更多
开发者必备
必备 IDE 插件
应用托管平台