Sun Download Manager运行报错

Question

如题，运行后弹出警告框：无法运行该应用程序图片
文字内容
启动文件
<?xml version="1.0" encoding="utf-8"?><jnlp spec="1.0+" codebase="http://javadl-esd.sun.com/"  <information>
    <title>Sun Download Manager 2.0 (web)</title>
    <vendor>Sun Microsystems, Inc.</vendor>
    <homepage href="http://www.sun.com/download/sdm/"/>
    <description>Sun Download Manager (web)</description>
    <icon href="http://www.sun.com/download/sdm/SDM20Icon.gif"/>
    <shortcut>
      <desktop/>
      <menu submenu="Sun Download Manager 2.0 (web)"/>
    </shortcut>
  </information>  <security><all-permissions/></security>  <resources>
    <j2se version="1.3+" href="http://java.sun.com/products/autodl/j2se"/>
    <jar href="/update/sdm20/sdm.jar" main="true" download="eager"/>
    <property name="sdm_lf" value="integrated"/>
  </resources>  <application-desc main-class="com.sun.sdm.SunDownloadManager">
    <argument>jnlp_ts-1255534095481</argument>
  </application-desc></jnlp>
异常
MissingFieldException[ 启动文件中缺少下列必需字段：<jnlp>(<application-desc>|<applet-desc>|<installer-desc>|<component-desc>)]
at com.sun.javaws.jnl.XMLFormat.parse(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
at com.sun.javaws.Main.launchApp(Unknown Source)
at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
at com.sun.javaws.Main$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

Answer 1

<jnlp spec="1.0+" codebase="http://javadl-esd.sun.com/"  <information>
<jnlp spec="1.0+" codebase="http://javadl-esd.sun.com/">  <information><!--少了 > -->

Answer 2

谢谢，不过改后之后又出了问题异常
com.sun.deploy.net.FailedDownloadException: 无法加载资源：http://javadl-esd.sun.com/update/sdm20/sdm.jar
at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)
at com.sun.javaws.LaunchDownload.downloadJarFiles(Unknown Source)
at com.sun.javaws.LaunchDownload.downloadEagerorAll(Unknown Source)
at com.sun.javaws.Launcher.downloadResources(Unknown Source)
at com.sun.javaws.Launcher.prepareLaunchFile(Unknown Source)
at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
at com.sun.javaws.Launcher.launch(Unknown Source)
at com.sun.javaws.Main.launchApp(Unknown Source)
at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
at com.sun.javaws.Main$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
封装异常
java.io.IOException: Server returned HTTP response code: 403 for URL: http://javadl-esd.sun.com/update/sdm20/sdm.jar
at sun.reflect.GeneratedConstructorAccessor2.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection$6.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.net.www.protocol.http.HttpURLConnection.getChainedException(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at com.sun.deploy.net.BasicHttpRequest.doRequest(Unknown Source)
at com.sun.deploy.net.BasicHttpRequest.doRequest(Unknown Source)
at com.sun.deploy.net.BasicHttpRequest.doGetRequest(Unknown Source)
at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)
at com.sun.javaws.LaunchDownload.downloadJarFiles(Unknown Source)
at com.sun.javaws.LaunchDownload.downloadEagerorAll(Unknown Source)
at com.sun.javaws.Launcher.downloadResources(Unknown Source)
at com.sun.javaws.Launcher.prepareLaunchFile(Unknown Source)
at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
at com.sun.javaws.Launcher.launch(Unknown Source)
at com.sun.javaws.Main.launchApp(Unknown Source)
at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
at com.sun.javaws.Main$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: Server returned HTTP response code: 403 for URL: http://javadl-esd.sun.com/update/sdm20/sdm.jar
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at java.net.HttpURLConnection.getResponseCode(Unknown Source)
... 20 more