Only trigger IdleChannelDetector when maxIdleTime is > 0, close AsyncHttpClient#566

Author: Stephane Landelle

providers/netty/src/main/java/org/asynchttpclient/providers/netty/channel/DefaultChannelPool.java

@@ -72,7 +72,9 @@ public DefaultChannelPool(//
         this.maxIdleTime = maxIdleTime;
         this.maxConnectionLifeTimeInMs = maxConnectionLifeTimeInMs;
         this.nettyTimer = nettyTimer;
-        scheduleNewIdleChannelDetector(new IdleChannelDetector());
+        if (maxIdleTime > 0L) {
+            scheduleNewIdleChannelDetector(new IdleChannelDetector());
+        }
     }
 
     private void scheduleNewIdleChannelDetector(TimerTask task) {