• BTrace
• Java 실행시간 코드 분석 툴

import com.sun.btrace.annotations.*;
import static com.sun.btrace.BTraceUtils.*;
import static com.sun.btrace.BTraceUtils.Sys.*;
 
@BTrace
public class SessionCheck {
 
    @OnMethod(
            clazz="org.apache.catalina.connector.Request",
            method="getSession"
            )
    public static void showSessionRequest() {
        println("######################################################");
        jstack();
        println("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
    }
}

JVM의 PID를 확인한 뒤에

btrace 4288 SessionCheck.java

• Btrace로 DBCP의 connection정보를 모니터링 하기