diff --git a/src/main/java/com/alibaba/druid/pool/vendor/OracleValidConnectionChecker.java b/src/main/java/com/alibaba/druid/pool/vendor/OracleValidConnectionChecker.java
index c5fb39b154..b52ff4c113 100644
--- a/src/main/java/com/alibaba/druid/pool/vendor/OracleValidConnectionChecker.java
+++ b/src/main/java/com/alibaba/druid/pool/vendor/OracleValidConnectionChecker.java
@@ -28,6 +28,7 @@ import java.sql.Connection;
 import com.alibaba.druid.logging.Log;
 import com.alibaba.druid.logging.LogFactory;
 import com.alibaba.druid.pool.ValidConnectionChecker;
+import com.alibaba.druid.util.DruidLoaderUtils;
 
 public class OracleValidConnectionChecker implements ValidConnectionChecker, Serializable {
 
@@ -43,7 +44,7 @@ public class OracleValidConnectionChecker implements ValidConnectionChecker, Ser
 
     public OracleValidConnectionChecker(){
         try {
-            clazz = Thread.currentThread().getContextClassLoader().loadClass("oracle.jdbc.driver.OracleConnection");
+            clazz = DruidLoaderUtils.loadClass("oracle.jdbc.driver.OracleConnection");
             ping = clazz.getMethod("pingDatabase", new Class[] { Integer.TYPE });
         } catch (Exception e) {
             throw new RuntimeException("Unable to resolve pingDatabase method:", e);
diff --git a/src/test/java/com/alibaba/druid/pool/MySqlValdConnectionTest.java b/src/test/java/com/alibaba/druid/pool/MySqlValdConnectionTest.java
index fb80cfe4b3..4af98edb3e 100644
--- a/src/test/java/com/alibaba/druid/pool/MySqlValdConnectionTest.java
+++ b/src/test/java/com/alibaba/druid/pool/MySqlValdConnectionTest.java
@@ -2,10 +2,10 @@ package com.alibaba.druid.pool;
 
 import java.sql.Connection;
 
-import com.alibaba.druid.pool.vendor.OracleExceptionSorter;
-
 import junit.framework.TestCase;
 
+import com.alibaba.druid.pool.vendor.OracleExceptionSorter;
+
 public class MySqlValdConnectionTest extends TestCase {
     private String jdbcUrl;
     private String user;
@@ -25,7 +25,7 @@ public class MySqlValdConnectionTest extends TestCase {
         dataSource.setUsername(user);
         dataSource.setPassword(password);
         dataSource.setFilters("stat");
-        dataSource.setExceptionSoters(OracleExceptionSorter.class.getName());
+        dataSource.setExceptionSoter(OracleExceptionSorter.class.getName());
         
         Connection conn = dataSource.getConnection();
         conn.close();