Further normalise logging.

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

@@ -459,7 +459,7 @@ public class HikariPool implements HikariPoolMXBean, IBagStateListener
       if (connectionBag.remove(bagEntry)) {
          final int tc = totalConnections.decrementAndGet();
          if (tc < 0) {
-            LOGGER.warn("Internal accounting inconsistency, totalConnections={}", tc, new Exception());
+            LOGGER.warn("{} - Internal accounting inconsistency, totalConnections={}", poolName, tc, new Exception());
          }
          
          closeConnectionExecutor.execute(new Runnable() {
@@ -497,7 +497,7 @@ public class HikariPool implements HikariPoolMXBean, IBagStateListener
 
          connectionBag.add(new PoolBagEntry(connection, this));
          lastConnectionFailure.set(null);
-         LOGGER.debug("Connection {} added to pool {} ", connection, poolName);
+         LOGGER.debug("{} - Connection {} added to pool", poolName, connection);
 
          return true;
       }
@@ -505,7 +505,7 @@ public class HikariPool implements HikariPoolMXBean, IBagStateListener
          totalConnections.decrementAndGet(); // We failed, so undo speculative increment of totalConnections
          lastConnectionFailure.set(e);
          if (poolState == POOL_NORMAL) {
-            LOGGER.debug("Connection attempt to database in pool {} failed: {}", poolName, e.getMessage(), e);
+            LOGGER.debug("{} - Connection attempt to database failed", poolName, e);
          }
          poolElf.quietlyCloseConnection(connection, "(exception during connection creation)");
          return false;
@@ -621,7 +621,7 @@ public class HikariPool implements HikariPoolMXBean, IBagStateListener
 
          // Detect retrograde time as well as forward leaps of unacceptable duration
          if (now < previous || now > clockSource.plusMillis(previous, (2 * HOUSEKEEPING_PERIOD_MS))) {
-            LOGGER.warn("Unusual system clock change detected, soft-evicting connections from pool.");
+            LOGGER.warn("{} - Unusual system clock change detected, soft-evicting connections from pool.", poolName);
             softEvictConnections();
             fillPool();
             return;

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

@@ -85,7 +85,7 @@ public final class PoolElf
             return;
          }
 
-         LOGGER.debug("Closing connection {} in pool {} {}", connection, poolName, closureReason);
+         LOGGER.debug("{} - Closing connection {}: {}", poolName, connection, closureReason);
          try {
             setNetworkTimeout(connection, TimeUnit.SECONDS.toMillis(15));
          }
@@ -161,7 +161,7 @@ public final class PoolElf
    void setupConnection(final Connection connection, final long connectionTimeout) throws SQLException
    {
       if (isUseJdbc4Validation && !isJdbc4ValidationSupported(connection)) {
-         throw new SQLException("Connection.isValid() method not supported, connection test query must be configured");
+         throw new SQLException("Connection.isValid() method is not supported, connection test query must be configured");
       }
 
       networkTimeout = getAndSetNetworkTimeout(connection, connectionTimeout);
@@ -341,7 +341,7 @@ public final class PoolElf
          }
          catch (Throwable e) {
             isValidSupported = false;
-            LOGGER.debug("{} - Connection.isValid() not supported ({})", poolName, e.getMessage());
+            LOGGER.debug("{} - Connection.isValid() not is supported ({})", poolName, e.getMessage());
          }
 
          isValidChecked = true;
@@ -392,7 +392,7 @@ public final class PoolElf
          catch (Throwable e) {
             if (isNetworkTimeoutSupported == UNINITIALIZED) {
                isNetworkTimeoutSupported = FALSE;
-               LOGGER.debug("{} - Connection.setNetworkTimeout() not supported ({})", poolName, e.getMessage());
+               LOGGER.debug("{} - Connection.setNetworkTimeout() is not supported ({})", poolName, e.getMessage());
             }
          }
       }