BTrace跟踪DBCP泄漏脚本

时间：2014-12-17 02:02:39 阅读：386 评论：0 收藏：0 [点我收藏+]

import static com.sun.btrace.BTraceUtils.println;

import static com.sun.btrace.BTraceUtils.str;

import static com.sun.btrace.BTraceUtils.strcat;

import static com.sun.btrace.BTraceUtils.timeMillis;

import java.sql.Connection;

import java.util.HashMap;

import java.util.Map;

import com.sun.btrace.BTraceUtils;

import com.sun.btrace.annotations.BTrace;

import com.sun.btrace.annotations.Kind;

import com.sun.btrace.annotations.Location;

import com.sun.btrace.annotations.OnMethod;

import com.sun.btrace.annotations.ProbeClassName;

import com.sun.btrace.annotations.ProbeMethodName;

import com.sun.btrace.annotations.Return;

import com.sun.btrace.annotations.OnEvent;

import com.sun.btrace.annotations.Self;

import com.sun.btrace.annotations.TLS;

@BTrace public class DataSourceTrace {

private static Map map = BTraceUtils.newHashMap();

@OnMethod(clazz = "org.apache.commons.dbcp.BasicDataSource", method = "getConnection", location = @Location(Kind.RETURN))

public static void traceExecute(@ProbeClassName String name,@ProbeMethodName String method, @Return Connection conn) {

//BTraceUtils.println(strcat("获取连接:",BTraceUtils.str(conn)));

BTraceUtils.put(map, conn, BTraceUtils.jstackStr());

}

@OnMethod(clazz = "org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper", method = "close")

public static void traceExecute2(@ProbeClassName String name,@ProbeMethodName String method, @Self Connection conn) {

//BTraceUtils.println(strcat("释放连接:",BTraceUtils.str(conn)));

BTraceUtils.remove(map, conn);

}

@OnEvent

public static void exit(){

//这里打印泄漏连接的方法堆栈，运行一段时间后通过Ctrl+C,选择2，发送事件打印

BTraceUtils.printMap(map);

}

原文：http://www.blogjava.net/chen4765654/archive/2014/12/16/421472.html

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