Index: branches/5.2.x/core/kernel/utility/logger.php
===================================================================
diff -u -N -r16688 -r16700
--- branches/5.2.x/core/kernel/utility/logger.php	(.../logger.php)	(revision 16688)
+++ branches/5.2.x/core/kernel/utility/logger.php	(.../logger.php)	(revision 16700)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: logger.php 16688 2021-03-16 08:31:25Z alex $
+* @version	$Id: logger.php 16700 2022-07-08 13:20:22Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2012 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -150,6 +150,13 @@
 	const LNS_SENT = 2;
 
 	/**
+	 * Database connection used for logging.
+	 *
+	 * @var kDBConnection
+	 */
+	protected $dbStorage;
+
+	/**
 	 * List of error/exception handlers
 	 *
 	 * @var Array
@@ -221,6 +228,8 @@
 	{
 		parent::__construct();
 
+		$this->dbStorage = $this->getDBStorage();
+
 		$system_config = kUtil::getSystemConfig();
 
 		$this->_debugMode = $this->Application->isDebugMode();
@@ -241,6 +250,24 @@
 	}
 
 	/**
+	 * Create separate connection for logging purposes.
+	 *
+	 * @return kDBConnection
+	 */
+	protected function getDBStorage()
+	{
+		$system_config = new kSystemConfig(true);
+		$vars = $system_config->getData();
+		$db_class = $this->Application->isDebugMode() ? 'kDBConnectionDebug' : 'kDBConnection';
+
+		// Can't use "kApplication::makeClass", because class factory isn't initialized at this point.
+		$db = new $db_class(SQL_TYPE, array($this, 'handleSQLError'), 'logger');
+		$db->setup($vars);
+
+		return $db;
+	}
+
+	/**
 	 * Sets state of the logged (enabled/user-only/disabled)
 	 *
 	 * @param $new_state
@@ -768,11 +795,11 @@
 		$this->_logRecord['LogDate'] = adodb_date('Y-m-d H:i:s');
 
 		if ( $storage_medium == self::LS_AUTOMATIC ) {
-			$storage_medium = $this->Conn->connectionOpened() ? self::LS_DATABASE : self::LS_DISK;
+			$storage_medium = $this->dbStorage->connectionOpened() ? self::LS_DATABASE : self::LS_DISK;
 		}
 
 		if ( $storage_medium == self::LS_DATABASE ) {
-			$result = $this->Conn->doInsert($this->_logRecord, TABLE_PREFIX . 'SystemLog');
+			$result = $this->dbStorage->doInsert($this->_logRecord, TABLE_PREFIX . 'SystemLog');
 		}
 		elseif ( $storage_medium == self::LS_DISK ) {
 			$result = $this->_saveToFile(RESTRICTED . '/system.log');
@@ -823,13 +850,13 @@
 	public function delete($unique_id, $storage_medium = self::LS_AUTOMATIC)
 	{
 		if ( $storage_medium == self::LS_AUTOMATIC ) {
-			$storage_medium = $this->Conn->connectionOpened() ? self::LS_DATABASE : self::LS_DISK;
+			$storage_medium = $this->dbStorage->connectionOpened() ? self::LS_DATABASE : self::LS_DISK;
 		}
 
 		if ( $storage_medium == self::LS_DATABASE ) {
 			$sql = 'DELETE FROM ' . TABLE_PREFIX . 'SystemLog
 					WHERE LogUniqueId = ' . $unique_id;
-			$this->Conn->Query($sql);
+			$this->dbStorage->Query($sql);
 		}
 		elseif ( $storage_medium == self::LS_DISK ) {
 			// TODO: no way to delete a line from a file