修正DataSource.close错误忽略的问题

git-svn-id: http://code.alibabatech.com/svn/druid/trunk@276 b9813039-fb51-4c41-a8b9-e21c2acb5095

src/main/java/com/alibaba/druid/pool/DruidDataSource.java

@@ -351,6 +351,7 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
                     connections[i] = null;
                     destroyCount++;
                 } catch (Exception ex) {
+                    printStackTrace(ex);
                     // skip it
                 }
             }