[英]Using Java/JavaFX with Maven in Eclipse
我正在Windows中的Eclipse中使用Maven。 我制作了一个JavaFX应用程序,即使没有安装JavaFX,它也可以在其他计算机(包括Linux Mint)上正常运行,我无法修改它们,但可以打开。 现在,我试图在Ubuntu上运行它。 我得到这个错误:
Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.NoClassDefFoundError: Stage
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
at java.lang.Class.getMethod0(Class.java:3018)
at java.lang.Class.getMethod(Class.java:1784)
at sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544)
at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526)
Caused by: java.lang.ClassNotFoundException: Stage
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 7 more
我有一个.pom看起来像这样:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>moduloDistribuidor</groupId>
<artifactId>myprogram</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>myProgram</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j</artifactId>
<version>2.9.0</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.9.1</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.json/json -->
<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>20180130</version>
</dependency>
<dependency>
<groupId>org.xerial</groupId>
<artifactId>sqlite-jdbc</artifactId>
<version>3.21.0.1</version>
</dependency>
</dependencies>
</project>
我试图在.pom中添加JavaFX,以防万一这是问题所在,但仍然无法正常工作。
<build>
<plugins>
<plugin>
<groupId>com.zenjava</groupId>
<artifactId>javafx-maven-plugin</artifactId>
<version>8.8.3</version>
<configuration>
<mainClass>your.main.class.which.extends.javafx.Application</mainClass>
</configuration>
</plugin>
</plugins>
</build>
您需要添加依赖关系才能使用java fx。
<dependency>
<groupId>com.oracle</groupId>
<artifactId>javafx</artifactId>
<version>2.2</version>
<systemPath>${java.home}/lib/ext/jfxrt.jar</systemPath>
<scope>system</scope>
</dependency>
您得到的错误是不应将插件设置在pom的根目录,而必须是:
<build>
<plugins>
<plugin>
<groupId>com.zenjava</groupId>
<artifactId>javafx-maven-plugin</artifactId>
<version>8.8.3</version>
<configuration>
<mainClass>your.main.class.which.extends.javafx.Application</mainClass>
</configuration>
</plugin>
</plugins>
</build>
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