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我有一个javafx应用程序,它不能正确地从eclipse导出到可运行jar文件。导出时,.jar
文件无法正常运行,并且不显示GUI。以下是清单文件。导出的Javafx应用程序不能作为Jar文件运行(Eclipse)
Manifest-Version: 1.0
Class-Path: .
Main-Class: gameaspects.SourceCodeVersion9
导出文件产生任何错误或警告从日食。
运行CMD,从我得到以下错误应用程序:
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:389)
at com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:328)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sun.launcher.LauncherHelper$FXHelper.main(Unknown Source)
Caused by: java.lang.RuntimeException: Exception in Application start method
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:917)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$155(LauncherImpl.java:182)
at java.lang.Thread.run(Unknown Source)
Caused by: java.nio.file.NoSuchFileException: .\music
at sun.nio.fs.WindowsException.translateToIOException(Unknown Source)
at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source)
at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source)
at sun.nio.fs.WindowsFileAttributeViews$Basic.readAttributes(Unknown Source)
at sun.nio.fs.WindowsFileAttributeViews$Basic.readAttributes(Unknown Source)
at sun.nio.fs.WindowsFileSystemProvider.readAttributes(Unknown Source)
at java.nio.file.Files.readAttributes(Unknown Source)
at java.nio.file.FileTreeWalker.getAttributes(Unknown Source)
at java.nio.file.FileTreeWalker.visit(Unknown Source)
at java.nio.file.FileTreeWalker.walk(Unknown Source)
at java.nio.file.FileTreeIterator.<init>(Unknown Source)
at java.nio.file.Files.find(Unknown Source)
at gameaspects.SourceCodeVersion9.start(SourceCodeVersion9.java:81)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$162(LauncherImpl.java:863)
at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$175(PlatformImpl.java:326)
at com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null$148(WinApplication.java:191)
... 1 more
异常运行的应用程序gameaspects.SourceCodeVersion9
,我认为,这是指的是这样的代码:
List<String> result = Files.find(Paths.get(".\\music"), 100,
(p, a) -> p.toString().toLowerCase().endsWith(".mp3"))
.map(path -> path.toString())
.collect(Collectors.toList());
。\ music指的是我的应用程序中存在的源文件夹music
。
如果需要其他信息来诊断此问题,请在下面评论,我将添加它。
@fabian编辑的问题提供错误。 –
确定使用我找到的cmd提供的错误并修复了错误。但是,我想知道如何将列表方法更改为不命名相同的文件两次。 –
顺便说一下,路径默认情况下是相对的。添加'。\\':'Paths.get(“music”)'没有意义。至于文件重复:使用['Stream.distinct'](https://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html#distinct--)或如果你有一个现有的列表,使用'Set',遍历列表并删除所有'set.add(element)'返回'false'的元素 – fabian