@Override public void close() throws DatabaseException { DatabaseConnection connection = getConnection(); if (connection != null) { if (previousAutoCommit != null) { try { connection.setAutoCommit(previousAutoCommit); } catch (DatabaseException e) { LogFactory.getLogger() .warning("Failed to restore the auto commit to " + previousAutoCommit); throw e; } } connection.close(); } ExecutorService.getInstance().clearExecutor(this); }