Zoom with CategoryAxisRenderer doesn't work properly

res = [[['Cat1', 234, 'Cat2', 36, 'Cat3', 567]]];

plot = $.jqplot('chartdiv', [res], {
title: 'Line Chart',
series: [{
label: 'Line Chart'
}],
axes: {
xaxis: {
renderer:$.jqplot.CategoryAxisRenderer,
rendererOptions:

{tickRenderer:$.jqplot.CanvasAxisTickRenderer}

,
tickOptions:{
fontFamily:'Tahoma',
angle:90
}
},
yaxis: {
renderer: $.jqplot.LogAxisRenderer,
tickOptions:

{formatString:'$%.2f'}

}
},
cursor:

{zoom:true, showTooltip:true, clickReset:true}

});

1. Zoom by X-axis doesn't work properly
2. After zoom/zoom-reset X-axis labels have been changed with numbers (1, 2, ...)