Question

请原谅我，但我对此非常陌生。我的工作计算机上有一个JNLP文件，可以在家工作。我设置了我的VPN，并将JNLP文件复制/粘贴到我的家用电脑上。但是，当我启动它时（我使用Windows 7 Home Premium升级到Java 7），我得到了无法启动应用程序的问题。

它显示无法加载资源然后

com.sun.deploy.net.FailedDownloadException: Unable to load resource: http: //pbs-sj1/pbs/jnlp/tnp/msgr/alt.jnlp
    at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
    at com.sun.deploy.net.DownloadEngine.downloadResource(Unknown Source)
    at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
    at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
    at com.sun.javaws.Launcher.updateFinalLaunchDesc(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.access$000(Unknown Source)
    at com.sun.javaws.Main$1.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

这是在包装部分

java.net.UnknownHostException: pbs-sj1
    at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    at java.net.PlainSocketImpl.connect(Unknown Source)
    at java.net.SocksSocketImpl.connect(Unknown Source)
    at java.net.Socket.connect(Unknown Source)
    at java.net.Socket.connect(Unknown Source)
    at sun.net.NetworkClient.doConnect(Unknown Source)
    at sun.net.www.http.HttpClient.openServer(Unknown Source)
    at sun.net.www.http.HttpClient.openServer(Unknown Source)
    at sun.net.www.http.HttpClient.<init>(Unknown Source)
    at sun.net.www.http.HttpClient.New(Unknown Source)
    at sun.net.www.http.HttpClient.New(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at com.sun.deploy.net.HttpUtils.followRedirects(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.downloadResource(Unknown Source)
    at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
    at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
    at com.sun.javaws.Launcher.updateFinalLaunchDesc(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.access$000(Unknown Source)
    at com.sun.javaws.Main$1.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

我在网上进行了相当多的研究，但说实话，大部分内容似乎都是在开发者层面上进行的。我只想尝试启动JNLP文件。

有什么想法吗？

Answer 1

错误消息告诉您它无法确定您要尝试访问的主机：

java.net.UnknownHostException: pbs-sj1

最容易做的事情就是在你有这个.jnlp文件的盒子上编辑你的主机文件并添加：

127.0.0.1 pbs-sj1

然后确保您的实际.jnlp文件位置与您指定的其余路径（/pbs/jnlp/tnp/msgr/alt.jnlp）对齐。这是在Win7上编辑主机文件的howto。

-OR -

不要乱用Hosts文件，只需使用文件URL指定在Windows上找到.JNLP文件的位置 - 例如，

file:///C:/Documents%20and%20Settings/your_login/alt.jnlp

（我假设您知道将这些地址粘贴/输入到支持Java的浏览器的地址栏中）

新手：JNLP应用程序将无法运行（无法加载资源）

1 个答案: