From 4e6bd83fb691ea3ab9e725ebababc5c0f7975edc Mon Sep 17 00:00:00 2001
From: Brett Wooldridge <brett.wooldridge@gmail.com>
Date: Mon, 9 Apr 2018 14:09:42 +0900
Subject: [PATCH] Update HikariConfig.java

---
 src/main/java/com/zaxxer/hikari/HikariConfig.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/com/zaxxer/hikari/HikariConfig.java b/src/main/java/com/zaxxer/hikari/HikariConfig.java
index ec82fcd6..a037bbe1 100644
--- a/src/main/java/com/zaxxer/hikari/HikariConfig.java
+++ b/src/main/java/com/zaxxer/hikari/HikariConfig.java
@@ -1030,6 +1030,10 @@ public class HikariConfig implements HikariConfigMXBean
       if (minIdle < 0 || minIdle > maxPoolSize) {
          minIdle = maxPoolSize;
       }
+
+      if (idleTimeout != IDLE_TIMEOUT && idleTimeout != 0 && minIdle == maxPoolSize) {
+         LOGGER.warn("{} - idleTimeout has been set but has no effect because the pool is operating as a fixed size pool.");
+      }
    }
 
    @SuppressWarnings("StatementWithEmptyBody")