Question

我的.jar文件有问题。当我在IDEA中运行它时，它是完美的，但是当我在jar文件中构建它时，应用程序将忽略双击。我尝试在 cmd 行中运行它，并收到下一个异常：

  Exception in Application start method
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$154(LauncherImpl.java:182)
        at java.lang.Thread.run(Unknown Source)
Caused by: javafx.fxml.LoadException:
file:/C:/Users/__it/Desktop/Ilab%20API%20UI%20+%20CODE%20v%202.0/ApplicationExampleForClients%20V_1.0%20(CODE)/out/artifacts/ApplicationExampleForClients_V_1_0_jar/ApplicationExampleForClients%20V_1.0.jar!/Interface.fxml

        at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2601)
        at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2543)
        at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
        at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3214)
        at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3175)
        at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3148)
        at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3124)
        at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3104)
        at javafx.fxml.FXMLLoader.load(FXMLLoader.java:3097)
        at Main.start(Main.java:27)
        at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$161(LauncherImpl.java:863)
        at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$174(PlatformImpl.java:326)
        at com.sun.javafx.application.PlatformImpl.lambda$null$172(PlatformImpl.java:295)
        at java.security.AccessController.doPrivileged(Native Method)
        at com.sun.javafx.application.PlatformImpl.lambda$runLater$173(PlatformImpl.java:294)
        at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
        at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
        at com.sun.glass.ui.win.WinApplication.lambda$null$147(WinApplication.java:177)
        ... 1 more
Caused by: javax.xml.stream.XMLStreamException: ParseError at [row,col]:[56,1]
Message: Stream closed
        at com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.next(Unknown Source)
        at javax.xml.stream.util.StreamReaderDelegate.next(Unknown Source)
        at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2513)
        ... 17 more
Exception running application Main

我仅将一个库导入Java 1.8，但仍运行jar应用程序，但是当我为所有Java版本更新库，导入到项目并运行它时，都收到了此堆栈跟踪。

>

[编辑] lib中的更改：

 private static void LoadPlatformPacketTypesFromAssembly() {

    Reflections reflections = new Reflections("com.intenselab.jlabframework");

    Set < Class < ? extends Object>> allProtocolMessages =reflections.getTypesAnnotatedWith(IntenseLabPacket.class);

    allProtocolMessages.forEach(aClass -> {
        crc32.reset();
        crc32.update(aClass.getSimpleName().getBytes());
        messageTypesMap.put(aClass, (int) crc32.getValue());

    });

}

没有"com.intenselab.jlabframework"

Answer 1

由于无法从文件系统访问#include <string.h> #include <stdio.h> int main () { char str[80] = "11111:"; const char s[2] = ":"; char *token; int a = 0; int b = 0; /* get the first token */ token = strtok(str, s); a = atoi(token); printf( " %s\n", a ); /* get the second token */ token = strtok(NULL, s); // Here is seg.fault if (token != NULL) b = atoi(token); else b = 0; printf( " %s\n", b ); return(0); }中的文件（文件API会执行此操作），因此无法正常工作

文件：/ C：/用户/ __ it /桌面/Ilab%20API%20UI%20+%20CODE%20v%202.0/ApplicationExampleForClients%20V_1.0%20(CODE)/out/artifacts/ApplicationExampleForClients_V_1_0_jar/ApplicationExampleForClients%20V_1 .0.jar！/Interface.fxml

JAR表示您要访问JAR内的文件，并且该文件将无法工作，因为您的文件系统无法直接访问它。您应该使用资源来从JAR访问项目特定的材料。

https://docs.oracle.com/javase/8/docs/technotes/guides/lang/resources.html#class

所以您最终会得到类似于

的内容

ApplicationExampleForClients%20V_1.0.jar!

Answer 2

在构建/导出应用程序时，请确保将所有必需的jar文件添加到导出的jar文件中。关于谁可以执行此操作的说明：Correct way to add external jars (lib/*.jar) to an IntelliJ IDEA project

可执行.jar文件未运行

2 个答案: