close connections marked for eviction first

CHANGES

@@ -1,5 +1,14 @@
 HikariCP Changes
 
+ * issue 379: stop closing idle connections, to keep minIdle connections in pool
+ * issue 375: fixed InvalidPathException in HikariConfig
+ * issue 362: fixed NullPointerException in closing connection (closing statements)
+ * issue 357: allow altering the username & password through JMX at runtime
+ * issue 349: handle integer Transaction isolation level
+ * Throw SQLTransientConnectionException instead of SQLTimeoutException
+ * for validating connection, if network time out is set, do not set query timeout too
+ * ResultSet.getStatement() should return StatementProxy
+
 Changes in 2.4.0
 
  * Consolidated distribution into single JVM target (Java 7/8).  Java 6 support has
@@ -7,7 +16,7 @@ Changes in 2.4.0
 
  * Removed runtime dependency on Javassist by pre-generating proxy classes at build-time.
 
- * Significantly reduced overhead, and increased reliabilty, of ConcurrentBag.
+ * Significantly reduced overhead, and increased reliability, of ConcurrentBag.
 
  * Reduced garbage generation by 2-3x.
 

src/main/java/com/zaxxer/hikari/pool/HikariPool.java

@@ -631,15 +631,22 @@ public class HikariPool implements HikariPoolMXBean, IBagStateListener
          }
 
          logPoolState("Before cleanup ");
-         final List<PoolBagEntry> bag = connectionBag.values(STATE_NOT_IN_USE);
+         boolean evicted = false;
+         List<PoolBagEntry> bag = connectionBag.values(STATE_NOT_IN_USE);
+         for (PoolBagEntry bagEntry : bag) {
+            if (bagEntry.evicted) {
+               closeConnection(bagEntry, "(connection evicted)");
+               evicted = true;
+            }
+         }
+         if (evicted) {
+        	//get fresh bag
+            bag = connectionBag.values(STATE_NOT_IN_USE);
+         }
          int removable = bag.size() - config.getMinimumIdle();
          for (PoolBagEntry bagEntry : bag) {
             if (connectionBag.reserve(bagEntry)) {
-               if (bagEntry.evicted) {
-                  closeConnection(bagEntry, "(connection evicted)");
-                  removable--;
-               }
-               else if (removable > 0 && idleTimeout > 0L && clockSource.elapsedMillis(bagEntry.lastAccess, now) > idleTimeout) {
+               if (removable > 0 && idleTimeout > 0L && clockSource.elapsedMillis(bagEntry.lastAccess, now) > idleTimeout) {
                   closeConnection(bagEntry, "(connection passed idleTimeout)");
                   removable--;
                }