_conversationTableModel = new ConversationTableModel(_model.getConversationModel());
_conversationTableModel = new ConversationTableModel(_conversationModel);
    private void initTable() {        _conversationTableModel = new ConversationTableModel(_model.getConversationModel());        ColumnWidthTracker.getTracker("ConversationTable").addTable(conversationTable);                TableSorter ts = new TableSorter(_conversationTableModel, conversationTable.getTableHeader());        conversationTable.setModel(ts);                conversationTable.setDefaultRenderer(Date.class, new DateRenderer());    }