if config incorrect, log error

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) {

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;
+    }
+
 }

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;
+    }
 }

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();
 }

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;
+    }
 }

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;
+    }
 }