Java排错-阿里云

Java线上排错---反编译文件

强烈推荐一个大神的人工智能的教程：http://www.captainai.net/zhanghan【前言】有时候经常会遇到一些诡异的问题:明明在本地运行代码没有问题，服务器代码和本地一样，请求的参数和所连接的数据源都一样为啥服务器上不行那？ ...

Java程序排错定位

一、错误的分类程序运行出错指的是程序未按照程序预设的逻辑执行，从而造成非预期的结果，具体表现就是报错中断或数据错误。作为程序员，一定要分清哪口锅是自己的，对于设计中的预设错误一定要甩出去，例如：传入参数不合法、违反业务规则等等。本节，我们只考虑自己的锅。自己这口锅里能装的错误也很多，但...

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Java后端项目排错经验分享

导致错误的原因有很多，最常见的无非也就那么几种：1、粗心导致的格式问题以及代码多写少写错写字母的问题2、代码逻辑问题3、框架版本不匹配问题无论是哪种问题，排查错误的方式最好最便捷的方式有调试+日志，那么如果是线上问题的话，单步调试是不太可能了，所以最重要的还是要学会如何看日志，一个项目有没有...

java程序报错后的排错思路

目前总结出来三个字：看日志！而且是从左到右一个单词一个单词的看。举个例子： Spring框架下的一个Demo，启动时报出了以下错误。一、看异常类型首先,能看到异常是从引入的SpringFramework依赖中报出来的，具体的路径在黑框中，可以看到关键类“beans”、“fa...

如何在MaxCompute Java SDK上使用Logview排错？

JAVA虚拟机垃圾回收机制和JAVA排错三剑客

一、Java虚拟机逻辑回收机制 1、Java垃圾回收器 Java垃圾回收器是Java虚拟机(JVM)的三个重要模块(另外两个是解释器和多线程机制)之一，为应用程序提供内存的自动分配(Memory Allo...

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