求教jcifs 域验证问题

我的web配置如下：172.16.100.108是域服务器地址，chinaetek是域名。现在运行结果弹出域验证框，可总是验证不过。不知道什么原因
 <filter> 
  <filter-name>NtlmHttpFilter</filter-name> 
  <filter-class>jcifs.http.NtlmHttpFilter</filter-class> 
  <init-param>
  <param-name>jcifs.netbios.wins</param-name>
  <param-value>172.16.100.108</param-value>
  </init-param>

  <init-param>  
  <param-name>jcifs.smb.client.domain</param-name> 
  <param-value>chinaetek</param-value> 
  </init-param>  
  <init-param>  
<param-name>jcifs.smb.client.username</param-name>  
<param-value>test</param-value>  
</init-param>  
<init-param>  
<param-name>jcifs.smb.client.password</param-name>  
<param-value>china@123</param-value>  
</init-param>
  <init-param>
  <param-name>jcifs.smb.client.soTimeout</param-name>
  <param-value>18000</param-value>
  </init-param>
  <init-param>
  <param-name>jcifs.netbios.cachePolicy</param-name>
  <param-value>1200</param-value>
  </init-param>
  <init-param> 
  <param-name>jcifs.util.loglevel</param-name> 
  <param-value>0</param-value> 
  </init-param> 
  <init-param> 
  <param-name>jcifs.smb.lmCompatibility</param-name> 
  <param-value>0</param-value> 
  </init-param> 
   
  <init-param> 
  <param-name>jcifs.smb.client.useExtendedSecurity</param-name> 
  <param-value>false</param-value> 
  </init-param> 

  </filter> 

  <filter-mapping>
  <filter-name>NtlmHttpFilter</filter-name>
  <url-pattern>*.do</url-pattern>
  </filter-mapping>
  <filter-mapping>
  <filter-name>NtlmHttpFilter</filter-name>
  <url-pattern>*.html</url-pattern>
  </filter-mapping>

  <!-- login filter -->
  <filter>
  <filter-name>LoginFilter</filter-name>
  <filter-class>com.cgs.web.filter.LoginFilter</filter-class>
  </filter>
  <filter-mapping>
  <filter-name>LoginFilter</filter-name>
  <url-pattern>*.do</url-pattern>
  </filter-mapping>
  <filter-mapping>
  <filter-name>LoginFilter</filter-name>
  <url-pattern>*.html</url-pattern>
  </filter-mapping>

没有人回答啊？