添加时是报一下错:
[org.codehaus.xfire.handler.DefaultFaultHandler] - Fault occurred!
java.lang.IllegalArgumentException: attempt to create saveOrUpdate event with null entity具体情况是:这个表的id是自动增长,我在Action里也实例化了这个对象且setXxx()和getXxx()了,也实现了ModelDriven,使用对象形式接收值,在点击添加后报Null的错误,现在用字符串的形式接收值就报上面的那个错了。有知道的帮忙解答,再次谢谢!
[org.codehaus.xfire.handler.DefaultFaultHandler] - Fault occurred!
java.lang.IllegalArgumentException: attempt to create saveOrUpdate event with null entity具体情况是:这个表的id是自动增长,我在Action里也实例化了这个对象且setXxx()和getXxx()了,也实现了ModelDriven,使用对象形式接收值,在点击添加后报Null的错误,现在用字符串的形式接收值就报上面的那个错了。有知道的帮忙解答,再次谢谢!
把你页面和action贴出来看看
<form action="authen!add.action" method="post">
<td><table width="550" border="0" cellspacing="0" cellpadding="2">
<tr>
<td width="85" class="text_black_12" align="right">权限名称:</td>
<td width="117" class="text_black_12"><input name="description" type="text" class="fo-rm" size="23" /></td>
</tr>
<tr>
<td> </td>
<td><input type="image" src="<%=request.getContextPath() %>/admin/admin/img/add_button.gif" /></td>
<td> </td>
<td align="left"><input type="image" name="imageField2" src="<%=request.getContextPath() %>/admin/admin/img/replacement_button.gif" /></td>
</tr>
</table></td>
</form>action部分:
private Authenticationaction auth;
private AuthenticationactionDAO authendao;
private AdmingroupAuthDAO groupdao;
private Admingroupauth groupauth;
private String description;
public void setDescription(String description) {
this.description = description;
}
public AuthenticationactionDAO getAuthendao() {
return authendao;
}
public AdmingroupAuthDAO getGroupdao() {
return groupdao;
}
public Admingroupauth getGroupauth() {
return groupauth;
}
public void setGroupauth(Admingroupauth groupauth) {
this.groupauth = groupauth;
}
public void setGroupdao(AdmingroupAuthDAO groupdao) {
this.groupdao = groupdao;
}
public String add(){
//System.out.print(this.ataid);
HttpServletRequest request = (HttpServletRequest) ActionContext.getContext().get(ServletActionContext.HTTP_REQUEST);
AdmingroupauthId groupauthid = new AdmingroupauthId();
try {
Admin admin = (Admin) request.getSession().getAttribute("admin");
System.out.print(this.description+"*****");
//向权限表中添加
authendao.doCreateauth(auth);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return SUCCESS;
}
public Authenticationaction getAuth() {
return auth;
}
public void setAuth(Authenticationaction auth) {
this.auth = auth;
}
public void setAuthendao(AuthenticationactionDAO authendao) {
this.authendao = authendao;
}
public Authenticationaction getModel() {
// TODO Auto-generated method stub
return auth;
}}
auth得实例化
private Authenticationaction auth = new Authenticationaction();