[Tapestry5] Tapestry5得传值问题,谢谢

xintse 2008-09-08
A.tml跳转B.tml 把dealer类传过去
用<t:pagelink t:id="edit" page="admin/dealer/edit" context="parameters" >edit</t:pagelink>

在A.java

@Property
    private Dealer dealer;
   
    @Property
    private Object parameters;
   
    private void setParameters(Dealer dealer){
    this.dealer=dealer;
   
    }
   
    private Object getParameters(){
    return new Object[]{dealer}; 
    } 

在B.java下
@Parameter(required = true)
    @Property(write = false)
    private Dealer dealer;
     void onActivate(Dealer dealer) {  
   // print for test     
     this.dealer=dealer; 

报错An unexpected application exception has occurred.
参考以前得帖子仍然出错,谢谢
本人出试Tapestry5几天
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