diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
index e86c751d27..ebeb9535cc 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
@@ -771,6 +771,20 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
                             if (timeMillis >= removeAbandonedTimeoutMillis) {
                                 PoolableConnection pooledConnection = entry.getKey();
                                 JdbcUtils.close(pooledConnection);
+
+                                if (isLogAbandoned()) {
+                                    StringBuilder buf = new StringBuilder();
+                                    buf.append("abondon connection, open stackTrace\n");
+
+                                    StackTraceElement[] trace = activeInfo.getStackTrace();
+                                    for (int i = 0; i < trace.length; i++) {
+                                        buf.append("\tat ");
+                                        buf.append(trace[i].toString());
+                                        buf.append("\n");
+                                    }
+
+                                    LOG.warn(buf.toString());
+                                }
                             }
                         }
                     }
diff --git a/src/test/java/com/alibaba/druid/bvt/pool/TestAbondon.java b/src/test/java/com/alibaba/druid/bvt/pool/TestAbondon.java
index 9dedf3d326..103abd9b2c 100644
--- a/src/test/java/com/alibaba/druid/bvt/pool/TestAbondon.java
+++ b/src/test/java/com/alibaba/druid/bvt/pool/TestAbondon.java
@@ -16,6 +16,7 @@ public class TestAbondon extends TestCase {
         dataSource = new DruidDataSource();
         dataSource.setRemoveAbandoned(true);
         dataSource.setRemoveAbandonedTimeoutMillis(10);
+        dataSource.setLogAbandoned(true);
         dataSource.setTimeBetweenEvictionRunsMillis(1);
         dataSource.setUrl("jdbc:mock:xxx");