Jwebap is an profiler tool for j2ee application with jdk 1.4 and up.You can use it to monitor method,jdbc,jsp executions etc.And then view in a web console.It can be used not only in test environment but production environment with very low-overhead.
Elvyx is a tool designed to monitor and profile the jdbc activity on java projects. This jdbc profiler has a server with a built-in db and a client to improve the experience.
Watchdog is a Java performance monitoring and tuning framework. It is suitable for production environments allowing flexible auditing of performance data for later analysis by a comprehensive set of tools.