diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
index a64c7c0305..ec10ed16ff 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
+++ b/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
                 }
             }