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使用Java Web start通过文件名在命令行上启动应用程序

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我可以使用Java web start在jlk 6和Windows XP的url命令行上启动我的Swing GUI应用程序:javaws http://localhost:7001/webstart/myapp/launch.jnlp

如何使用Java web start在命令行上按文件名启动我的Swing GUI应用程序?

以下方法不起作用:javaws -codebase''launch.jnlp java.net.MalformedURLException:no protocol:''at java.net.URL . (Unknown Source)at java.net.URL . (Unknown Source)at java .net.URL . (未知来源)com.sun.javaws.Main.parseArgs(未知来源)com.sun.javaws.Main.continueInSecureThread(未知来源)com.sun.javaws.Main $ 1.run(未知)来源)在java.lang.Thread.run(未知来源)

javaws -codebase "" launch.jnlp
java.net.MalformedURLException: unknown protocol: c
    at java.net.URL.<init>(Unknown Source)
    at java.net.URL.<init>(Unknown Source)
    at java.net.URL.<init>(Unknown Source)
    at com.sun.javaws.Main.parseArgs(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)

javaws -codebase "file:." launch.jnlp
com.sun.deploy.net.FailedDownloadException: Unable to load resource: file:./$$name
    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.deploy.net.DownloadEngine.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$1.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

javaws -codebase "file:." file://launch.jnlp
CouldNotLoadArgumentException[ Could not load file/URL specified: file://launch.jnlp]
    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)

javaws file://launch.jnlp 
CouldNotLoadArgumentException[ Could not load file/URL specified: file://launch.jnlp]
    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)

#The following has no error message, but nothing appear on the computer screen:
javaws -codebase "" -J-Xrunjdwp:transport=dt_socket launch.jnlp
javaws -J-Xdebug -J-Xnoagent -J-Xrunjdwp:transport=dt_socket,server=n,suspend=y launch.jnlp
javaws -codebase "" -J-Xrunjdwp:transport=dt_socket,server=n,suspend=n launch.jnlp
javaws -codebase "" -J-Xrunjdwp:transport=dt_socket,server=y,suspend=n launch.jnlp

launch.jnlp文件如下:

<?xml version="1.0" encoding="utf-8"?> 

<jnlp spec="1.0+" codebase="$$codebase" href="$$name"> 

  <information> 
    <title>${com.prod.my.myapp.common.client.title}</title> 
    <vendor>I</vendor> 
    <homepage href="http://devzone/english/dev%20template/html_templates/main.asp"/> 
    <description>${com.prod.my.myapp.common.client.description}</description> 
    <description kind="short">${com.prod.my.myapp.common.client.short_description}</description> 
    <icon href="$$context/images/chflag.jpg"/> 
  </information> 

  <security> 
      <all-permissions/> 
  </security> 

  <resources> 

  <java version="1.6.0_05" href="http://java.sun.com/products/autodl/j2se" max-heap-size="256m"/> 

    <!-- myapp Application --> 
    <jar href="myprod.myapp.client.jar"/> 
    <jar href="myprod.reports.jar"/> 

    <!-- TR Client jar --> 
    <jar href="extern.ejb-client.jar"/> 

    <property name="java.naming.factory.initial" value="weblogic.jndi.WLInitialContextFactory"/> 
    <property name="java.naming.provider.url" value="${com.prod.my.myapp.common.client.naming_provider}"/> 
    <property name="weblogic.jndi.enableServerAffinity" value="true" / 

  </resources> 

  <application-desc main-class="com.prod.my.myapp.common.framework.applicationmainwindow.gui.myappAp­plication"/ 

</jnlp>

2 回答

  • 1

    尝试代码库值为..

    "file:."
    
  • 1

    您的JNLP文件似乎应与JNLPDownloadServlet一起使用 . 它使用当前运行应用程序的服务器的当前值替换 $$name$$codebase palceholders . (顺便说一下,您也可以使用 $$server 来引用当前服务器)

    如果从磁盘本地运行它,则可以通过在命令行上将其设置为参数_2692383来覆盖 codebase . 正确的值是 file:. . 你的问题是 $$name 占位符没有被替换,它尝试下载 <jnlp ... href="$$name"> ,结果为 file:.$$name ,因为没有这样的文件存在就失败了 .

    您可以在本地运行时完全忽略 <jnlp /> 标记中的 href="$$name" 属性,也可以手动将其更改为jnlp文件名,例如: <jnlp ... href="myApp.jnlp" /> .

    还要记住,如果你想使用存储在磁盘上的一些本地jar,你想通过绝对路径引用它,你应该使用这种格式 <jar href="file:c:/myJars/myJar.jar"> (正斜杠) .

    祝一切顺利 .

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