Clarify boolean order of operations in getConnection() conditional. Run fillPool() on the caller thread.

hikaricp-common/src/main/java/com/zaxxer/hikari/pool/BaseHikariPool.java

@@ -183,7 +183,7 @@ public abstract class BaseHikariPool implements HikariPoolMBean, IBagStateListen
             }
 
             final long now = System.currentTimeMillis();
-            if (bagEntry.evicted || now - bagEntry.lastAccess > ALIVE_BYPASS_WINDOW && !isConnectionAlive(bagEntry.connection, timeout)) {
+            if (bagEntry.evicted || (now - bagEntry.lastAccess > ALIVE_BYPASS_WINDOW && !isConnectionAlive(bagEntry.connection, timeout))) {
                closeConnection(bagEntry); // Throw away the dead connection and try again
                timeout = connectionTimeout - elapsedTimeMs(start);
             }
@@ -406,17 +406,12 @@ public abstract class BaseHikariPool implements HikariPoolMBean, IBagStateListen
     * Fill pool up from current idle connections (as they are perceived at the point of execution) to minimumIdle connections.
     */
    protected void fillPool()
-   {
-      houseKeepingExecutorService.schedule(new Runnable() {
-         public void run()
    {
       final int connectionsToAdd = configuration.getMinimumIdle() - getIdleConnections();
       for (int i = 0; i < connectionsToAdd; i++) {
          addBagItem();
       }
    }
-      }, 1, TimeUnit.SECONDS);
-   }
 
    // ***********************************************************************
    //                           Abstract methods