1:修改hive使用druid连接池

2:去除某些方法中的警告

src/main/webapp/WEB-INF/web.xml

@@ -176,6 +176,25 @@
 <!-- 		</listener-class> -->
 <!-- 	</listener> -->
 		
-  
+  <servlet>
+		<servlet-name>DruidStatView</servlet-name>
+		<servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>
+	</servlet>
+	<servlet-mapping>
+		<servlet-name>DruidStatView</servlet-name>
+		<url-pattern>/druid/*</url-pattern>
+	</servlet-mapping>
+	<filter>
+		<filter-name>DruidWebStatFilter</filter-name>
+		<filter-class>com.alibaba.druid.support.http.WebStatFilter</filter-class>
+		<init-param>
+			<param-name>exclusions</param-name>
+			<param-value>*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*</param-value>
+		</init-param>
+	</filter>
+	<filter-mapping>
+		<filter-name>DruidWebStatFilter</filter-name>
+		<url-pattern>/*</url-pattern>
+	</filter-mapping>
   
 </web-app>