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OpenJDK Cookbook

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OpenJDK Cookbook

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OpenJDK Cookbook
Jan, 2015 | 298 pages
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Table of Contents (20 chapters)
OpenJDK Cookbook
OpenJDK Cookbook
Credits
Credits
About the Authors
About the Authors
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Getting Started with OpenJDK
Getting Started with OpenJDK
Introduction
Distinguishing OpenJDK from Oracle JDK
Installing OpenJDK on Windows
Configuring OpenJDK on Windows
Installing OpenJDK on Linux
Configuring OpenJDK on Linux
Navigating through OpenJDK groups and projects
2
Building OpenJDK 6
Building OpenJDK 6
Introduction
Preparing CA certificates
Building OpenJDK 6 on Ubuntu Linux 12.04 LTS
Setting up the minimum build environment for the most compatible Linux builds
Installing Cygwin for Windows builds
Building 32-bit FreeType libraries for OpenJDK 6 on Windows
Building 64-bit FreeType libraries for OpenJDK 6 on Windows
Building 32-bit OpenJDK 6 on Windows 7 SP1
Building 64-bit OpenJDK 6 on Windows 7 x64 SP1
3
Building OpenJDK 7
Building OpenJDK 7
Introduction
Building OpenJDK 7 on Ubuntu Linux 12.04 LTS
Building OpenJDK 7 on Mac OS X
Building 32-bit FreeType libraries for OpenJDK 7 on Windows
Building 64-bit FreeType libraries for OpenJDK 7 on Windows
Building 32-bit OpenJDK 7 on Windows 7 SP1
Building 64-bit OpenJDK 7 on Windows 7 x64 SP1
Preparing a standalone toolchain for 32- and 64-bit Windows' builds
4
Building OpenJDK 8
Building OpenJDK 8
Introduction
Working with GNU Autoconf
Building OpenJDK 8 Ubuntu Linux 12.04 LTS
Using ccache to speed up the OpenJDK 8 build process
Building OpenJDK 8 on Mac OS X
Building OpenJDK 8 on Windows 7 SP1
5
Building IcedTea
Building IcedTea
Introduction
Building IcedTea 6
Building IcedTea 7
Building OpenJDK 7 with IcedTea patches
Building IcedTea 7 with the NSS security provider
Building IcedTea 6 with the SystemTap support
6
Building IcedTea with Other VM Implementations
Building IcedTea with Other VM Implementations
Introduction
Configuring cross-compilation between ARM and x86
Building IcedTea for ARM with integrated CACAO VM
Porting JamVM to use OpenJDK
Configuring Zero-assembler with the Shark compiler to use OpenJDK
Building for MIPS and other architectures using OpenEmbedded recipes
7
Working with WebStart and the Browser Plugin
Working with WebStart and the Browser Plugin
Introduction
Building the IcedTea browser plugin on Linux
Using the IcedTea Java WebStart implementation on Linux
Preparing the IcedTea Java WebStart implementation for Mac OS X
Preparing the IcedTea Java WebStart implementation for Windows
8
Hacking OpenJDK
Hacking OpenJDK
Introduction
Setting up the development environment with NetBeans
Working with Mercurial forest
Understanding OpenJDK 6 and 7 incremental builds
Debugging Java code using NetBeans
Debugging C++ code using NetBeans
Using NetBeans to compile HotSpot
Using HotSpot dev parameters
Adding new intrinsic to HotSpot
Building VisualVM from the source code
Creating a plugin for VisualVM
Getting benefits from the AdoptOpenJDK project
9
Testing OpenJDK
Testing OpenJDK
Introduction
Running tests using the downloaded or the built version of jtreg
Building jtreg from the source
Running the standard set of OpenJDK tests
Writing your own test for jtreg
Using jtreg in GUI mode
Writing TestNG tests for jtreg
Compiling JT Harness from the source code
Building and running jcstress
Writing tests for jcstress
Creating a benchmark project using JMH
Downloading the source and compiling JHM
10
Contributing to OpenJDK
Contributing to OpenJDK
Introduction
Becoming a contributor
Generating a patch with webrev
Backporting OpenJDK v9 patches to OpenJDK v8
Understanding OpenJDK groups
Understanding OpenJDK projects
Suggesting new JSRs
Suggesting new JEPs
11
Troubleshooting
Troubleshooting
Introduction
Navigating through the process workflow
Submitting a defect to the OpenJDK bug systems
Creating a patch using NetBeans
Creating a code review
12
Working with Future Technologies
Working with Future Technologies
Introduction
Building OpenJDK 9 on Mac OS X using Clang
Building OpenJDK 9 on Windows using MSYS
Running and testing the early access preview of OpenJDK 9
Using Jigsaw
Building OpenJDK 9 with Graal
Building OpenJDK 9 with Sumatra
13
Build Automation
Build Automation
Introduction
Installing VirtualBox
Preparing SSH keys
Preparing VirtualBox machines with Linux
Preparing VirtualBox machines with Mac OS X
Preparing VirtualBox machines with Windows
Automating builds
Building cross-platform installers
Index
Index

Introduction

For a long time, for end users, the Java applets technology was the face of the whole Java world. For a lot of non-developers, the word Java itself is a synonym for the Java browser plugin that allows running Java applets inside web browsers. The Java WebStart technology is similar to the Java browser plugin but runs remotely on loaded Java applications as separate applications outside of web browsers.

The OpenJDK open source project does not contain the implementations for the browser plugin nor for the WebStart technologies. The Oracle Java distribution, otherwise matching closely to OpenJDK codebases, provided its own closed source implementation for these technologies.

The IcedTea-Web project contains free and open source implementations of the browser plugin and WebStart technologies. The IcedTea-Web browser plugin supports only GNU/Linux operating systems and the WebStart implementation is cross-platform.

While the IcedTea implementation of WebStart is well-tested and production...

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