补充异常信息

git-svn-id: http://code.alibabatech.com/svn/druid/trunk@439 b9813039-fb51-4c41-a8b9-e21c2acb5095

src/main/java/com/alibaba/druid/DruidException.java

@@ -0,0 +1,23 @@
+package com.alibaba.druid;
+
+public class DruidException extends Exception {
+
+    private static final long serialVersionUID = 1L;
+
+    public DruidException(){
+        super();
+    }
+
+    public DruidException(String message, Throwable cause){
+        super(message, cause);
+    }
+
+    public DruidException(String message){
+        super(message);
+    }
+
+    public DruidException(Throwable cause){
+        super(cause);
+    }
+
+}

src/main/java/com/alibaba/druid/DruidRuntimeException.java

@@ -0,0 +1,23 @@
+package com.alibaba.druid;
+
+public class DruidRuntimeException extends RuntimeException {
+
+    private static final long serialVersionUID = 1L;
+
+    public DruidRuntimeException(){
+        super();
+    }
+
+    public DruidRuntimeException(String message, Throwable cause){
+        super(message, cause);
+    }
+
+    public DruidRuntimeException(String message){
+        super(message);
+    }
+
+    public DruidRuntimeException(Throwable cause){
+        super(cause);
+    }
+
+}