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Issue

Welcome to use issue tracker to give us :bowtie::

  • feedbacks - what you would like to have;
  • usage tips - what usages you have found splendid;
  • experiences - how you use Arthas to do effective troubleshooting;

Documentation

Welcome PR to further improve English documentation.

Online Tutorials

Please refer to README.MD at tutorials/katacoda

Developer

  • Arthas runtime supports JDK6+
  • To build Arthas requires JDK7+, because of the source code import JDK7 classes, such as java.lang.management.BufferPoolMXBean.

It is recommended to use JDK8 to compile, and you will encounter problems when using a higher version. Reference https://github.com/alibaba/arthas/tree/master/.github/workflows

Local Installation

Recommend to use as-package.sh to package, which will auto-install the latest Arthas to local ~/.arthas and when debugging, Arthas will auto-load the latest version.

  • To support jni, cpp compiling environment support is required
  • mac needs to install xcode
  • windows need to install gcc

F.Y.I

  1. when using as.sh to start Arthas, it will get the latest version under ~/.arthas/lib;
  2. when as-package.sh packaging, it will get the version from pom.xml and suffix it with the current timestamp e.g. 3.0.5.20180917161808.

You can also use ./mvnw clean package -DskipTests to package and generate a zip under packaging/target/ but remember when as.sh starts, it load the version under ~/.arthas/lib.

Start Arthas in specified version

When there are several different version, you can use --use-version to specify the version of Arthas to start your debug.

./as.sh --use-version 3.0.5.20180919185025

Tip: you can use --versions to list all available versions.

./as.sh --versions

Debug

Packaging All

  • Arthas is using Sphinx to generate the static site

  • sphinx-maven-plugin configured in site/pom.xml

  • sphinx-maven-plugin executes by downloadingsphinx-binary/

  • when packaging the whole project (Packaging All), you need to execute:

    ./mvnw clean package -DskipTests -P full

Issue

欢迎在issue里对arthas做反馈，分享使用技巧，排查问题的经历。

改进用户文档

用户文档在site/src/site/sphinx目录下，如果希望改进arthas用户文档，欢迎提交PR。

英文文档在site/src/site/sphinx/en目录下，欢迎提交翻译PR。

改进在线教程

请参考tutorials/katacoda下的说明

开发者相关

  • Arthas运行支持JDK6+
  • 编译Arthas要求JDK7+，因为使用到了jdk7里的java.lang.management.BufferPoolMXBean。

建议使用JDK8来编译，使用高版本会遇到问题。参考 https://github.com/alibaba/arthas/tree/master/.github/workflows

安装到本地

本地开发时，推荐执行as-package.sh来打包，会自动安装最新版本的arthas到~/.arthas目录里。debug时会自动使用最新版本。

  • 代码里要编译jni，需要cpp编译环境支持
  • mac需要安装xcode
  • windows需要安装gcc

as.sh在启动时，会对~/.arthas/lib下面的目录排序，取最新的版本。as-package.sh在打包时，会取pom.xml里的版本号，再拼接上当前时间，比如： 3.0.5.20180917161808，这样子排序时取的就是最新的版本。

也可以直接 ./mvnw clean package -DskipTests打包，生成的zip在 packaging/target/ 下面。但是注意as.sh启动加载的是~/.arthas/lib下面的版本。

启动指定版本的arthas

本地开发时，可能会产生多个版本，可以用 --use-version 参数来指定版本，比如

./as.sh --use-version 3.0.5.20180919185025

可以用--versions参数来列出所有版本：

./as.sh --versions

Debug

全量打包

  • arthas是用sphinx来生成静态网站

  • 在site/pom.xml里配置了sphinx-maven-plugin

  • sphinx-maven-plugin通过下载sphinx-binary/来执行

  • 全量打包时，需要配置下面的参数：

    ./mvnw clean package -DskipTests -P full

当 sphinx-maven-plugin 下载出错时，可以用下面的方式

到 https://github.com/trustin/sphinx-binary/releases 下载对应版本的二进制文件，并在本地加上可执行权限。例如：

wget https://github.com/hengyunabc/sphinx-binary/releases/download/v0.4.0.1/sphinx.osx-x86_64 -o /tmp/sphinx.osx-x86_64
chmod +x /tmp/sphinx.osx-x86_64
./mvnw clean package -DskipTests -P full -Dsphinx.binUrl=file:/tmp/sphinx.osx-x86_64

Release Steps

发布release版本流程：