diff --git a/src/main/java/com/profiler/interceptor/bci/ClassLoadChecker.java b/src/main/java/com/profiler/interceptor/bci/ClassLoadChecker.java
index 4552ed894..82a76422e 100644
--- a/src/main/java/com/profiler/interceptor/bci/ClassLoadChecker.java
+++ b/src/main/java/com/profiler/interceptor/bci/ClassLoadChecker.java
@@ -2,9 +2,11 @@ package com.profiler.interceptor.bci;
 
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class ClassLoadChecker {
-
+    private final Logger logger = Logger.getLogger(ClassLoadChecker.class.getName());
     private static final Object EXIST = new Object();
 
     private ConcurrentMap<LoadClass, Object> load = new ConcurrentHashMap<LoadClass, Object>();
@@ -13,8 +15,14 @@ public class ClassLoadChecker {
         LoadClass key = new LoadClass(cl, className);
         Object old = load.putIfAbsent(key, EXIST);
         if (old == null) {
+            if (logger.isLoggable(Level.INFO)) {
+                logger.info(className + " not exist from " + cl);
+            }
             return false;
         }
+        if (logger.isLoggable(Level.INFO)) {
+            logger.info(className + " already exist from " + cl);
+        }
         return true;
     }
 
diff --git a/src/main/java/com/profiler/modifier/db/mysql/MySQLConnectionImplModifier.java b/src/main/java/com/profiler/modifier/db/mysql/MySQLConnectionImplModifier.java
index cd4fa826a..2b7c681fc 100644
--- a/src/main/java/com/profiler/modifier/db/mysql/MySQLConnectionImplModifier.java
+++ b/src/main/java/com/profiler/modifier/db/mysql/MySQLConnectionImplModifier.java
@@ -4,6 +4,7 @@ import com.profiler.interceptor.Interceptor;
 import com.profiler.interceptor.bci.ByteCodeInstrumentor;
 import com.profiler.interceptor.bci.InstrumentClass;
 import com.profiler.interceptor.bci.InstrumentException;
+import com.profiler.modifier.db.mysql.interceptors.*;
 import javassist.CtClass;
 import javassist.CtMethod;
 
@@ -39,27 +40,31 @@ public class MySQLConnectionImplModifier extends AbstractModifier {
             mysqlConnection.addTraceVariable("__url", "__setUrl", "__getUrl", "java.lang.String");
 
             // 해당 Interceptor를 공통클래스 만들경우 system에 로드해야 된다.
-            Interceptor createConnection = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.CreateConnectionInterceptor");
+//            Interceptor createConnection = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.CreateConnectionInterceptor");
+            Interceptor createConnection  = new CreateConnectionInterceptor();
             String[] params = new String[] {
                 "java.lang.String", "int", "java.util.Properties", "java.lang.String", "java.lang.String"
             };
             mysqlConnection.addInterceptor("getInstance", params, createConnection);
 
 
-            Interceptor closeConnection = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.CloseConnectionInterceptor");
+//            Interceptor closeConnection = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.CloseConnectionInterceptor");
+            Interceptor closeConnection = new CloseConnectionInterceptor();
             mysqlConnection.addInterceptor("close", null, closeConnection);
 
 
-            Interceptor createStatement = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.CreateStatementInterceptor");
+//            Interceptor createStatement = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.CreateStatementInterceptor");
+            Interceptor createStatement = new CreateStatementInterceptor();
             mysqlConnection.addInterceptor("createStatement", null, createStatement);
 
 
-            Interceptor preparedStatement = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.CreatePreparedStatementInterceptor");
+//            Interceptor preparedStatement = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.CreatePreparedStatementInterceptor");
+            Interceptor preparedStatement = new CreatePreparedStatementInterceptor();
             mysqlConnection.addInterceptor("prepareStatement", new String[]{"java.lang.String"}, preparedStatement);
 
 
-            Interceptor transaction = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.TransactionInterceptor");
-
+//            Interceptor transaction = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.c");
+            Interceptor transaction = new TransactionInterceptor();
             mysqlConnection.addInterceptor("setAutoCommit", new String[]{"boolean"}, transaction);
             mysqlConnection.addInterceptor("commit", null, transaction);
             mysqlConnection.addInterceptor("rollback", null, transaction);
diff --git a/src/main/java/com/profiler/modifier/db/mysql/MySQLPreparedStatementJDBC4Modifier.java b/src/main/java/com/profiler/modifier/db/mysql/MySQLPreparedStatementJDBC4Modifier.java
index f350f7c91..1faa8230c 100644
--- a/src/main/java/com/profiler/modifier/db/mysql/MySQLPreparedStatementJDBC4Modifier.java
+++ b/src/main/java/com/profiler/modifier/db/mysql/MySQLPreparedStatementJDBC4Modifier.java
@@ -6,6 +6,7 @@ import com.profiler.interceptor.bci.InstrumentClass;
 import com.profiler.interceptor.bci.InstrumentException;
 import com.profiler.interceptor.bci.NotFoundInstrumentException;
 import com.profiler.modifier.AbstractModifier;
+import com.profiler.modifier.db.mysql.interceptors.PreparedStatementBindVariableInterceptor;
 import com.profiler.util.*;
 
 import java.lang.reflect.Method;
@@ -50,7 +51,8 @@ public class MySQLPreparedStatementJDBC4Modifier extends AbstractModifier  {
     private void bindVariableIntercept(InstrumentClass preparedStatement, ClassLoader classLoader, ProtectionDomain protectedDomain) throws InstrumentException {
         BindVariableFilter exclude = new IncludeBindVariableFilter(includes);
         List<Method> bindMethod = PreparedStatementUtils.findBindVariableSetMethod(exclude);
-        Interceptor interceptor = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.PreparedStatementBindVariableInterceptor");
+//        Interceptor interceptor = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.PreparedStatementBindVariableInterceptor");
+        Interceptor interceptor = new PreparedStatementBindVariableInterceptor();
         for (Method method : bindMethod) {
             String methodName = method.getName();
             String[] parameterType = JavaAssistUtils.getParameterType(method.getParameterTypes());
diff --git a/src/main/java/com/profiler/modifier/db/mysql/MySQLPreparedStatementModifier.java b/src/main/java/com/profiler/modifier/db/mysql/MySQLPreparedStatementModifier.java
index ab3221bd2..4c6a73fac 100644
--- a/src/main/java/com/profiler/modifier/db/mysql/MySQLPreparedStatementModifier.java
+++ b/src/main/java/com/profiler/modifier/db/mysql/MySQLPreparedStatementModifier.java
@@ -12,6 +12,8 @@ import java.util.logging.Logger;
 
 import com.profiler.interceptor.bci.InstrumentException;
 import com.profiler.interceptor.bci.NotFoundInstrumentException;
+import com.profiler.modifier.db.mysql.interceptors.PreparedStatementBindVariableInterceptor;
+import com.profiler.modifier.db.mysql.interceptors.PreparedStatementMethodInterceptor;
 import com.profiler.util.ExcludeBindVariableFilter;
 import com.profiler.util.JavaAssistUtils;
 import com.profiler.util.PreparedStatementUtils;
@@ -48,7 +50,8 @@ public class MySQLPreparedStatementModifier extends AbstractModifier {
 		checkLibrary(classLoader, javassistClassName);
         try {
             InstrumentClass preparedStatement = byteCodeInstrumentor.getClass(javassistClassName);
-            Interceptor interceptor = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.PreparedStatementMethodInterceptor");
+//            Interceptor interceptor = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.PreparedStatementMethodInterceptor");
+            Interceptor interceptor = new PreparedStatementMethodInterceptor();
             preparedStatement.addInterceptor("executeQuery", null, interceptor);
 
             preparedStatement.addTraceVariable("__url", "__setUrl", "__getUrl", "java.lang.String");
@@ -82,7 +85,8 @@ public class MySQLPreparedStatementModifier extends AbstractModifier {
     private void bindVariableIntercept(InstrumentClass preparedStatement, ClassLoader classLoader, ProtectionDomain protectedDomain) throws InstrumentException {
         ExcludeBindVariableFilter exclude = new ExcludeBindVariableFilter(excludes);
         List<Method> bindMethod = PreparedStatementUtils.findBindVariableSetMethod(exclude);
-        Interceptor interceptor = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.PreparedStatementBindVariableInterceptor");
+//        Interceptor interceptor = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.PreparedStatementBindVariableInterceptor");
+        Interceptor interceptor = new PreparedStatementBindVariableInterceptor();
         for (Method method : bindMethod) {
             String methodName = method.getName();
             String[] parameterType = JavaAssistUtils.getParameterType(method.getParameterTypes());
diff --git a/src/main/java/com/profiler/modifier/db/mysql/MySQLStatementModifier.java b/src/main/java/com/profiler/modifier/db/mysql/MySQLStatementModifier.java
index ee0268137..15d1ca7b4 100644
--- a/src/main/java/com/profiler/modifier/db/mysql/MySQLStatementModifier.java
+++ b/src/main/java/com/profiler/modifier/db/mysql/MySQLStatementModifier.java
@@ -8,6 +8,7 @@ import java.util.logging.Logger;
 import com.profiler.interceptor.Interceptor;
 import com.profiler.interceptor.bci.InstrumentException;
 import com.profiler.interceptor.bci.JavaAssistClass;
+import com.profiler.modifier.db.mysql.interceptors.ExecuteQueryMethodInterceptor;
 import javassist.*;
 
 import com.profiler.interceptor.bci.ByteCodeInstrumentor;
@@ -36,7 +37,8 @@ public class MySQLStatementModifier extends AbstractModifier {
 
         try {
             InstrumentClass statementClass = byteCodeInstrumentor.getClass(javassistClassName);
-            Interceptor interceptor = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.ExecuteQueryMethodInterceptor");
+//            Interceptor interceptor = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.db.mysql.interceptors.ExecuteQueryMethodInterceptor");
+            Interceptor interceptor = new ExecuteQueryMethodInterceptor();
             statementClass.addInterceptor("executeQuery", new String[]{"java.lang.String"}, interceptor);