http://www.oracle.com/technetwork/java/javase/toc-135973.html --不同的 OutOfMemoryError/内存溢出,以及相关的解决…

java 监控.故障.性能可视化分析 VisualVM: Download https://visualvm.github.io/download.html All-in-One Java Troubleshooting Tool Java VisualVM https://docs.oracle.com/javase/8/docs/technotes/guides/visualvm/monitor_tab.html Java VisualVM https://docs.oracle.com/j…

https://google.github.io/styleguide/javaguide.html   Table of Contents 1 Introduction 1.1 Terminology notes 1.2 Guide notes 2 Source file basics 2.1 File name 2.2 File encoding: UTF-8 2.3 Special characters 3 Source file structure 3.1 License or copy…

In this Document   Goal   Solution   1. Error Starting Application Services After Changing APPS Password Using FNDCPASS   2. Log In Fails With: You Don't Have Permission To Access /pls/.../fnd_icx_launch.launch On This Server   3. APP-FND-01564: ORAC…

In this article, I will show you how to use the new version of MySQL (5.7+) and how to troubleshoot MySQL memory allocation more easily. by Alexander Rubin   Troubleshooting crashes is never a fun task, especially if MySQL does not report the cause o…

官方地址 google.github.io 本文档作为 Google 的 Java 编程语言源代码编码标准的完整定义.当且仅当它遵守此处的规则时,Java 源文件才被描述为 Google 风格. 前言 声明:在原文挡基础上做了一次翻译并总结了一下具体内容,换了一下排版样式等等. 在此也参考了另外一篇已经有很长时间的翻译版:https://hawstein.com/2014/01/20/google-java-style/ 要提一点的是,国内的话可能更熟悉阿里的开发手册Java开发手册(嵩山版).…

Server side checks (not platform specific): 1)  Check the result on the server using tnsping to the listener address: tnsping "(address=(protocol=TCP)(host=insert host or ip address here)(port=insert listener port here))" Should yield 'ok'. 2) …

IBM在spark summit上分享的内容,包括编译spark源码,运行spark时候常见问题(缺包.OOM.GC问题.hdfs数据分布不均匀等),spark任务堆/thread dump 目录 编译spark的问题 1.正确配置相关环境,如Maven,JRE 2.显示指定你要集成的功能 3.编译速度比较慢的话,可以根据自己的环境设置多core提高速度 spark运行时遇到的问题 1.在不清楚spark某些配置时候,可以在spark-submit时候使用--verbose打印出当前环境具体信息…

false false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt…

Awesome系列的Java资源整理.awesome-java 就是akullpp发起维护的Java资源列表,内容包括:构建工具.数据库.框架.模板.安全.代码分析.日志.第三方库.书籍.Java 站点等等. 经典的工具与库 (Ancients) In existence since the beginning of time and which will continue being used long after the hype has waned. Apache Ant - Build…