問題を切り分けるためには、情報を取得しないといけません。実行中のJavaアプリケーションから情報を取得する方法はたくさんありますが、よく使われている方法として、ログ出力、JMXとMBean、ダンプの3つを紹介します。

Java Management Extensions (JMX) technology enables management and monitoring of applications and services via MBeans (managed beans), allowing JMX clients to be developed independently using ...

JSR 262: Web Services Connector for Java Management Extensions Agents JMX(Java Management Extensions)はJ2SE 5.0から導入された、JavaアプリケーションやJVMの状態を監視/管理 ...

Jolokia is remote JMX with JSON over HTTP. It is fast, simple, polyglot and has unique features. It’s JMX on Capsaicin. Jolokia is a JMX-HTTP bridge giving an alternative to JSR-160 connectors ...

The Java Management Extensions (JMX) standard is gaining adoption within the J2EE community for the management of applications, as well as application servers and other infrastructure software. JMX ...

What is JMX and why would you want to use it? Find out whether this new book from O'Reilly might get you going in the right direction.