assign default keepaliveTime of 2 minutes

CHANGES

@@ -1,5 +1,11 @@
 HikariCP Changes
 
+Changes in 6.2.1
+
+ * change default keepaliveTime to 2 minutes
+
+ * fix commons-compress dependency, make test scope
+
 Changes in 6.2.0
 
  * merged #2238 handle SQLTimeoutException without eviction. Users looking to preserve previous behavior

README.md

@@ -209,7 +209,7 @@ pool. The 'ping' is one of either: invocation of the JDBC4 `isValid()` method, o
 `connectionTestQuery`. Typically, the duration out-of-the-pool should be measured in single digit milliseconds
 or even sub-millisecond, and therefore should have little or no noticeable performance impact. The minimum
 allowed value is 30000ms (30 seconds), but a value in the range of minutes is most desirable.
-*Default: 0 (disabled)*
+*Default: 120000 (2 minutes)*
 
 &#9203;``maxLifetime``<br/>
 This property controls the maximum lifetime of a connection in the pool.  An in-use connection will

src/main/java/com/zaxxer/hikari/HikariConfig.java

@@ -52,7 +52,7 @@ public class HikariConfig implements HikariConfigMXBean
    private static final long SOFT_TIMEOUT_FLOOR = Long.getLong("com.zaxxer.hikari.timeoutMs.floor", 250L);
    private static final long IDLE_TIMEOUT = MINUTES.toMillis(10);
    private static final long MAX_LIFETIME = MINUTES.toMillis(30);
-   private static final long DEFAULT_KEEPALIVE_TIME = 0L;
+   private static final long DEFAULT_KEEPALIVE_TIME = MINUTES.toMillis(2);
    private static final int DEFAULT_POOL_SIZE = 10;
 
    private static boolean unitTest = false;
@@ -1101,13 +1101,13 @@ public class HikariConfig implements HikariConfigMXBean
       // keepalive time must larger than 30 seconds
       if (keepaliveTime != 0 && keepaliveTime < SECONDS.toMillis(30)) {
          LOGGER.warn("{} - keepaliveTime is less than 30000ms, disabling it.", poolName);
-         keepaliveTime = DEFAULT_KEEPALIVE_TIME;
+         keepaliveTime = 0L;
       }
 
       // keepalive time must be less than maxLifetime (if maxLifetime is enabled)
       if (keepaliveTime != 0 && maxLifetime != 0 && keepaliveTime >= maxLifetime) {
          LOGGER.warn("{} - keepaliveTime is greater than or equal to maxLifetime, disabling it.", poolName);
-         keepaliveTime = DEFAULT_KEEPALIVE_TIME;
+         keepaliveTime = 0L;
       }
 
       if (leakDetectionThreshold > 0 && !unitTest) {