1.系统计时器的时间(connectedTimeNano)记录到日志中不能准确的反映连接的时间（connectedTimeNano），换用（增加参数） connectedTimeMillis 记录获取连接的时间

2.处理 mysql 8 小时超时问题(即使testWhileIdle=false,testOnBorrow=false,testOnReturn=false)，在物理连接的已连接时间超过 phyTimeoutMillis(默认7小时) 后就自动关闭该物理连接
3.修正单词拼写 destoryTask -> destroyTask

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

@@ -97,6 +97,7 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
      * @see #setMinEvictableIdleTimeMillis
      */
     public static final long                           DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS    = 1000L * 60L * 30L;
+    public static final long                           DEFAULT_PHY_TIMEOUT_MILLIS                = 1000L * 60L * 60L * 7;
 
     protected volatile boolean                         defaultAutoCommit                         = true;
     protected volatile Boolean                         defaultReadOnly;
@@ -159,6 +160,8 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
 
     protected volatile long                            minEvictableIdleTimeMillis                = DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS;
 
+    protected volatile long                            phyTimeoutMillis                          = DEFAULT_PHY_TIMEOUT_MILLIS;
+
     protected volatile boolean                         removeAbandoned;
 
     protected volatile long                            removeAbandonedTimeoutMillis              = 300 * 1000;
@@ -691,6 +694,14 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
         this.minEvictableIdleTimeMillis = minEvictableIdleTimeMillis;
     }
 
+    public long getPhyTimeoutMillis() {
+        return phyTimeoutMillis;
+    }
+
+    public void setPhyTimeoutMillis(long phyTimeoutMillis) {
+        this.phyTimeoutMillis = phyTimeoutMillis;
+    }
+
     public int getNumTestsPerEvictionRun() {
         return numTestsPerEvictionRun;
     }

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

@@ -138,7 +138,7 @@ public class DruidDataSource extends DruidAbstractDataSource
 
     // threads
     private ScheduledFuture<?>               destroySchedulerFuture;
-    private DestroyTask                      destoryTask;
+    private DestroyTask                      destroyTask;
 
     private CreateConnectionThread           createConnectionThread;
     private DestroyConnectionThread          destroyConnectionThread;
@@ -684,14 +684,14 @@ public class DruidDataSource extends DruidAbstractDataSource
     }
 
     protected void createAndStartDestroyThread() {
-        destoryTask = new DestroyTask();
+        destroyTask = new DestroyTask();
 
         if (destroyScheduler != null) {
             long period = timeBetweenEvictionRunsMillis;
             if (period <= 0) {
                 period = 1000;
             }
-            destroySchedulerFuture = destroyScheduler.scheduleAtFixedRate(destoryTask, period, period,
+            destroySchedulerFuture = destroyScheduler.scheduleAtFixedRate(destroyTask, period, period,
                                                                           TimeUnit.MILLISECONDS);
             initedLatch.countDown();
             return;
@@ -1941,7 +1941,7 @@ public class DruidDataSource extends DruidAbstractDataSource
                         break;
                     }
 
-                    destoryTask.run();
+                    destroyTask.run();
                 } catch (InterruptedException e) {
                     break;
                 }
@@ -2031,8 +2031,8 @@ public class DruidDataSource extends DruidAbstractDataSource
                     StringBuilder buf = new StringBuilder();
                     buf.append("abandon connection, owner thread: ");
                     buf.append(pooledConnection.getOwnerThread().getName());
-                    buf.append(", connected time nano: ");
-                    buf.append(pooledConnection.getConnectedTimeNano());
+                    buf.append(", connected at : ");
+                    buf.append(pooledConnection.getConnectedTimeMillis());
                     buf.append(", open stackTrace\n");
 
                     StackTraceElement[] trace = pooledConnection.getConnectStackTrace();
@@ -2042,6 +2042,14 @@ public class DruidDataSource extends DruidAbstractDataSource
                         buf.append("\n");
                     }
 
+                    buf.append("ownerThread current state is "+pooledConnection.getOwnerThread().getState() + ", current stackTrace\n");
+                    trace = pooledConnection.getOwnerThread().getStackTrace();
+                    for (int i = 0; i < trace.length; i++) {
+                        buf.append("\tat ");
+                        buf.append(trace[i].toString());
+                        buf.append("\n");
+                    }
+
                     LOG.error(buf.toString());
                 }
             }
@@ -2118,6 +2126,12 @@ public class DruidDataSource extends DruidAbstractDataSource
             for (int i = 0; i < checkCount; ++i) {
                 DruidConnectionHolder connection = connections[i];
 
+                long phyConnectTimeMillis = connection.getTimeMillis();//physical connection connected time
+                if( phyConnectTimeMillis  > phyTimeoutMillis  ){
+                    evictList.add(connection);//if physical connection connected greater than phyTimeoutMillis, close the connection, for mysql 8 hours timeout
+                    continue;
+                }
+
                 if (checkTime) {
                     long idleMillis = currentTimeMillis - connection.getLastActiveTimeMillis();
                     if (idleMillis >= minEvictableIdleTimeMillis) {

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

@@ -54,6 +54,7 @@ public class DruidDataSourceFactory implements ObjectFactory {
     public final static String    PROP_TIMEBETWEENEVICTIONRUNSMILLIS       = "timeBetweenEvictionRunsMillis";
     public final static String    PROP_NUMTESTSPEREVICTIONRUN              = "numTestsPerEvictionRun";
     public final static String    PROP_MINEVICTABLEIDLETIMEMILLIS          = "minEvictableIdleTimeMillis";
+    public final static String    PROP_PHY_TIMEOUT_MILLIS                  = "phyTimeoutMillis";
     public final static String    PROP_TESTWHILEIDLE                       = "testWhileIdle";
     public final static String    PROP_PASSWORD                            = "password";
     public final static String    PROP_URL                                 = "url";
@@ -233,6 +234,11 @@ public class DruidDataSourceFactory implements ObjectFactory {
             dataSource.setMinEvictableIdleTimeMillis(Long.parseLong(value));
         }
 
+        value = (String) properties.get(PROP_PHY_TIMEOUT_MILLIS);
+        if (value != null) {
+            dataSource.setPhyTimeoutMillis(Long.parseLong(value));
+        }
+
         value = (String) properties.get(PROP_TESTWHILEIDLE);
         if (value != null) {
             dataSource.setTestWhileIdle(Boolean.valueOf(value).booleanValue());

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

@@ -65,7 +65,7 @@ public class DruidPooledConnection extends PoolableWrapper implements javax.sql.
     private boolean                          disable              = false;
     private boolean                          closed               = false;
     private final Thread                     ownerThread;
-
+    private long                             connectedTimeMillis;
     private long                             connectedTimeNano;
     private volatile boolean                 running              = false;
 
@@ -82,6 +82,11 @@ public class DruidPooledConnection extends PoolableWrapper implements javax.sql.
         this.holder = holder;
         dupCloseLogEnable = holder.getDataSource().isDupCloseLogEnable();
         ownerThread = Thread.currentThread();
+        connectedTimeMillis = System.currentTimeMillis();
+    }
+
+    public long getConnectedTimeMillis() {
+        return connectedTimeMillis;
     }
 
     public Thread getOwnerThread() {