diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
index 98bbc55c6b..47cdfa6bf5 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
@@ -72,7 +72,7 @@ import com.alibaba.druid.util.JdbcUtils;
  */
 public class DruidDataSource extends DruidAbstractDataSource implements DruidDataSourceMBean, ManagedDataSource, Referenceable, Closeable, Cloneable, ConnectionPoolDataSource {
 
-    private final static Log        LOG                     = LogFactory.getLog(DruidDataSource.class);
+    public final static Log        LOG                     = LogFactory.getLog(DruidDataSource.class);
 
     private static final long       serialVersionUID        = 1L;
 
@@ -288,7 +288,7 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
                     DataSourceProxyConfig config = DruidDriver.parseConfig(jdbcUrl, null);
                     this.driverClass = config.getRawDriverClassName();
                     
-                    LOG.error("error url : " + jdbcUrl + ", it should be : " + config.getRawUrl());
+                    LOG.error("error url : '" + jdbcUrl + "', it should be : '" + config.getRawUrl() + "'");
                     
                     this.jdbcUrl = config.getRawUrl();
                     if (this.name == null) {
diff --git a/src/main/java/com/alibaba/druid/support/logging/JakartaCommonsLoggingImpl.java b/src/main/java/com/alibaba/druid/support/logging/JakartaCommonsLoggingImpl.java
index c09c9b83a3..0d77caf47a 100644
--- a/src/main/java/com/alibaba/druid/support/logging/JakartaCommonsLoggingImpl.java
+++ b/src/main/java/com/alibaba/druid/support/logging/JakartaCommonsLoggingImpl.java
@@ -7,6 +7,8 @@ public class JakartaCommonsLoggingImpl implements com.alibaba.druid.support.logg
 
     private Log log;
 
+    private int errorCount;
+
     public JakartaCommonsLoggingImpl(Class<?> clazz){
         log = LogFactory.getLog(clazz);
     }
@@ -17,10 +19,12 @@ public class JakartaCommonsLoggingImpl implements com.alibaba.druid.support.logg
 
     public void error(String s, Throwable e) {
         log.error(s, e);
+        errorCount++;
     }
 
     public void error(String s) {
         log.error(s);
+        errorCount++;
     }
 
     public void debug(String s) {
@@ -40,4 +44,14 @@ public class JakartaCommonsLoggingImpl implements com.alibaba.druid.support.logg
         log.warn(s, e);
     }
 
+    public int getErrorCount() {
+        return errorCount;
+    }
+
+
+    @Override
+    public void resetStat() {
+        errorCount = 0;
+    }
+
 }
diff --git a/src/main/java/com/alibaba/druid/support/logging/Jdk14LoggingImpl.java b/src/main/java/com/alibaba/druid/support/logging/Jdk14LoggingImpl.java
index 70bdcd042c..8eeb543769 100644
--- a/src/main/java/com/alibaba/druid/support/logging/Jdk14LoggingImpl.java
+++ b/src/main/java/com/alibaba/druid/support/logging/Jdk14LoggingImpl.java
@@ -6,6 +6,8 @@ import java.util.logging.Logger;
 public class Jdk14LoggingImpl implements Log {
 
     private Logger log;
+    
+    private int errorCount;
 
     public Jdk14LoggingImpl(Class<?> clazz){
         log = Logger.getLogger(clazz.toString());
@@ -17,10 +19,12 @@ public class Jdk14LoggingImpl implements Log {
 
     public void error(String s, Throwable e) {
         log.log(Level.SEVERE, s, e);
+        errorCount++;
     }
 
     public void error(String s) {
         log.log(Level.SEVERE, s);
+        errorCount++;
     }
 
     public void debug(String s) {
@@ -40,4 +44,13 @@ public class Jdk14LoggingImpl implements Log {
         log.log(Level.WARNING, s, e);
     }
 
+    public int getErrorCount() {
+        return errorCount;
+    }
+
+
+    @Override
+    public void resetStat() {
+        errorCount = 0;
+    }
 }
diff --git a/src/main/java/com/alibaba/druid/support/logging/Log.java b/src/main/java/com/alibaba/druid/support/logging/Log.java
index fe59eaa116..6127466053 100644
--- a/src/main/java/com/alibaba/druid/support/logging/Log.java
+++ b/src/main/java/com/alibaba/druid/support/logging/Log.java
@@ -16,4 +16,7 @@ public interface Log {
 
     void warn(String s, Throwable e);
 
+    int getErrorCount();
+    
+    void resetStat();
 }
diff --git a/src/main/java/com/alibaba/druid/support/logging/Log4jImpl.java b/src/main/java/com/alibaba/druid/support/logging/Log4jImpl.java
index f09643eea8..2fa2a7d098 100644
--- a/src/main/java/com/alibaba/druid/support/logging/Log4jImpl.java
+++ b/src/main/java/com/alibaba/druid/support/logging/Log4jImpl.java
@@ -5,6 +5,8 @@ import org.apache.log4j.Logger;
 public class Log4jImpl implements Log {
 
     private Logger log;
+    
+    private int errorCount;
 
     public Log4jImpl(Class<?> clazz){
         log = Logger.getLogger(clazz);
@@ -37,5 +39,13 @@ public class Log4jImpl implements Log {
     public void warn(String s, Throwable e) {
         log.warn(s, e);
     }
+    
+    public int getErrorCount() {
+        return errorCount;
+    }
 
+    @Override
+    public void resetStat() {
+        errorCount = 0;
+    }
 }
diff --git a/src/main/java/com/alibaba/druid/support/logging/NoLoggingImpl.java b/src/main/java/com/alibaba/druid/support/logging/NoLoggingImpl.java
index 89688f14dd..57fe946003 100644
--- a/src/main/java/com/alibaba/druid/support/logging/NoLoggingImpl.java
+++ b/src/main/java/com/alibaba/druid/support/logging/NoLoggingImpl.java
@@ -2,6 +2,8 @@ package com.alibaba.druid.support.logging;
 
 public class NoLoggingImpl implements Log {
 
+    private int errorCount;
+
     public NoLoggingImpl(Class<?> clazz){
     }
 
@@ -10,9 +12,11 @@ public class NoLoggingImpl implements Log {
     }
 
     public void error(String s, Throwable e) {
+        errorCount++;
     }
 
     public void error(String s) {
+        errorCount++;
     }
 
     public void debug(String s) {
@@ -29,4 +33,12 @@ public class NoLoggingImpl implements Log {
 
     }
 
+    public int getErrorCount() {
+        return errorCount;
+    }
+
+    @Override
+    public void resetStat() {
+        errorCount = 0;
+    }
 }
diff --git a/src/test/java/com/alibaba/druid/bvt/pool/ConfigErrorTest.java b/src/test/java/com/alibaba/druid/bvt/pool/ConfigErrorTest.java
index 5948417869..f87d99ddfb 100644
--- a/src/test/java/com/alibaba/druid/bvt/pool/ConfigErrorTest.java
+++ b/src/test/java/com/alibaba/druid/bvt/pool/ConfigErrorTest.java
@@ -2,6 +2,7 @@ package com.alibaba.druid.bvt.pool;
 
 import java.sql.Connection;
 
+import junit.framework.Assert;
 import junit.framework.TestCase;
 
 import com.alibaba.druid.pool.DruidDataSource;
@@ -21,8 +22,12 @@ public class ConfigErrorTest extends TestCase {
     }
 
     public void test_connect() throws Exception {
-        Connection conn = dataSource.getConnection();
+        DruidDataSource.LOG.resetStat();
+        Assert.assertEquals(0, DruidDataSource.LOG.getErrorCount());
         
+        Connection conn = dataSource.getConnection();
         conn.close();
+        
+        Assert.assertEquals(1, DruidDataSource.LOG.getErrorCount());
     }
 }
diff --git a/src/test/java/com/alibaba/druid/bvt/pool/ConfigErrorTest2.java b/src/test/java/com/alibaba/druid/bvt/pool/ConfigErrorTest2.java
new file mode 100644
index 0000000000..4b7d4470cb
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/pool/ConfigErrorTest2.java
@@ -0,0 +1,35 @@
+package com.alibaba.druid.bvt.pool;
+
+import java.sql.Connection;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.pool.DruidDataSource;
+
+public class ConfigErrorTest2 extends TestCase {
+
+    private DruidDataSource dataSource;
+
+    protected void setUp() throws Exception {
+        dataSource = new DruidDataSource();
+        dataSource.setUrl("jdbc:wrap-jdbc:jdbc:mock:xxx");
+        dataSource.setTestOnBorrow(false);
+        dataSource.setTestOnReturn(false);
+        dataSource.setTestWhileIdle(false);
+    }
+
+    protected void tearDown() throws Exception {
+        dataSource.close();
+    }
+
+    public void test_connect() throws Exception {
+        DruidDataSource.LOG.resetStat();
+        Assert.assertEquals(0, DruidDataSource.LOG.getErrorCount());
+
+        Connection conn = dataSource.getConnection();
+        conn.close();
+        
+        Assert.assertEquals(1, DruidDataSource.LOG.getErrorCount());
+    }
+}
diff --git a/src/test/java/com/alibaba/druid/bvt/pool/ConfigErrorTest3.java b/src/test/java/com/alibaba/druid/bvt/pool/ConfigErrorTest3.java
new file mode 100644
index 0000000000..0a6a83a755
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/pool/ConfigErrorTest3.java
@@ -0,0 +1,32 @@
+package com.alibaba.druid.bvt.pool;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.pool.DruidDataSource;
+
+public class ConfigErrorTest3 extends TestCase {
+
+    private DruidDataSource dataSource;
+
+    protected void setUp() throws Exception {
+        dataSource = new DruidDataSource();
+        dataSource.setUrl("jdbc:mysql:xxx");
+        dataSource.setTestOnBorrow(false);
+        dataSource.setTestOnReturn(false);
+        dataSource.setTestWhileIdle(false);
+        dataSource.setInitialSize(0);
+        dataSource.setPoolPreparedStatements(true);
+    }
+
+    protected void tearDown() throws Exception {
+        dataSource.close();
+    }
+
+    public void test_connect() throws Exception {
+        DruidDataSource.LOG.resetStat();
+        Assert.assertEquals(0, DruidDataSource.LOG.getErrorCount());
+        dataSource.init();
+        Assert.assertEquals(1, DruidDataSource.LOG.getErrorCount());
+    }
+}