STRUTS报java.lang.NullPointerException异常:
这个事我的JSP请求页面：
<form action= " <%=path%> %> /AddBookSave.do " name= "addBook " method= "post ">
<table width= "756 " height= "138 " border= "0 ">
<tr>
<td width= "178 " height= "39 "> 图书信息添加： </td>
<td width= "197 "> </td>
<td width= "163 "> </td>
<td width= "200 "> </td>
</tr>
<tr>
<td height= "18 "> <div align= "center "> 书名： </div> </td>
<td>
<label>
<input type= "text " name= "name "/>
</label>
</td>
<td> <div align= "center "> 作者： </div> </td>
<td>
<label>
<input type= "text " name= "author "/>
</label>
</td>
</tr>
<tr>
<td height= "37 "> <div align= "center "> 出版社： </div> </td>
<td>
<label>
<input type= "text " name= "press "/>
</label>
</td>
<td> <div align= "center "> 分类： </div> </td>
<td>
<label> </label>
<label>
