private void clearTable() {
		LOG2.info("clearTable 1, empty: " + this.getDataVector().isEmpty()
				+ " elements: " + this.getDataVector().size());
		if (!this.getDataVector().isEmpty()) {
			for (int i = this.getRowCount() - 1; i >= 0; i--) {
				this.removeRow(i);
				fireTableDataChanged();
			}
		}
	}