Unable to resolve 't5components/AjaxCheckbox' to a component class name. Available component types: ActionLink, AddRowLink, AjaxFormLoop, Any, BeanDisplay, BeanEditForm, BeanEditor, Checkbox, DateField, Delegate, Errors, EventLink, ExceptionDisplay, Form, FormFragment, FormInjector, Grid, GridCell, GridColumns, GridPager, GridRows, If, Label, LinkSubmit, Loop, Output, OutputRaw, PageLink, Palette, PasswordField, PropertyDisplay, PropertyEditor, Radio, RadioGroup, RemoveRowLink, RenderObject, Select, Submit, SubmitNotifier, TextArea, TextField, TextOutput, Unless, Zone.
如何解决？待续
后来终于找到原因了：
没有将t5c-commons-0.5.18.jar包放在web-info/lib下！！！！
tapestry5是按自己的方式找文件的，不在web-info在的找不到！！！！