How to get an application class loader in Java Agent method

java jvm

In Java Agent method, such as premain() or agentmain(), class loader is system classloader, not application class loader. If you intent to change bytecode of class loaded by application class loader, you will need an application class load…

2016-12-04

material of my session in JJUG CCC 2016 fall

java jvm community

I talked about Java Agent and bytecode manipulation libraries in JJUG CCC 2016 fall. My session room was filled to capacity with bytecode fans! This is a material of this session. JJUG CCC 2016 fall バイトコードが君のトモダチになりたがって…

2016-12-01

How can I get a web application classloader in Java Agent's method agentmain()

java jvm

I implement Java Agent which transform classes of a web application running in an application server. To do so, I need a web application classloader which load these classes. I know Instrument#getAllLoadedClasses() method. But this method …

2016-12-01

Use @GetMapping, @PostMapping in Spring 4.3 or later

Spring java

I always use @RequestMapping in Controller. @Controller public class TestController { @RequestMapping(value = "test", method = RequestMethod.GET) public String index() { But in Spring 4.3, @GetMapping and @PostMappiing are provided. I was …

2016-11-22

My proposal has been approved in Devoxx US 2017

java community

My proposal has been approved in Devoxx US 2017. I have a Quickie session. Session title is "Web app that has one billion face images and Japanese "kawaii" culture". This is about an application which I have been developed, including not o…

2016-11-19

Java SE 9 will be released at 2017/07/29

java

At now(2016/11/19), Java SE 9 will be released at 2017/07/29. 2016/11/19時点では、Java SE 9は2017/07/29にリリース予定です。

2016-11-18

translation of InfoQ article about Project Valhalla in Japanese

java jvm translation

Valhalla adds new bytecode instruction "typed".

2016-09-15

InfoQの記事と、記事へのキャメロン氏のコメントも翻訳しました

キャメロン・パーディの InfoQ に対するコメントが興味深い。 https://t.co/WPVmQGUTVu— Terada Yoshio (寺田佳央) (@yoshioterada) 2016年9月13日ここで寺田さんが言及されているInfoQの記事を翻訳しました。 www.infoq.com で、元記事にあったキャメロン…