Ant’s zipfileset does the job <jar id=”files” jarfile=”all.jar”> <zipfileset src=”https://stackoverflow.com/questions/81260/first.jar” includes=”**/*.java **/*.class”/> <zipfileset src=”second.jar” includes=”**/*.java **/*.class”/> </jar>
There are a variety of solutions, depending on your distribution requirements. Just use a jar. This assumes that the user has the the correct java version installed, otherwise the user will get “class-file format version” exceptions. This is fine for internal distribution inside a company. Use launch4j and an installer like NSIS. This gives you … Read more
You use either -jar or -cp, you can’t combine the two. If you want to put additional JARs on the classpath then you should either put them in the main JAR’s manifest and then use java -jar or you put the full classpath (including the main JAR and its dependencies) in -cp and name the … Read more
By default, Spring Boot repackages your JAR into an executable JAR, and it does that by putting all of your classes inside BOOT-INF/classes, and all of the dependent libraries inside BOOT-INF/lib. The consequence of creating this fat JAR is that you can no longer use it as a dependency for other projects. From Custom repackage … Read more
The following code loads all classes from a JAR file. It does not need to know anything about the classes. The names of the classes are extracted from the JarEntry. JarFile jarFile = new JarFile(pathToJar); Enumeration<JarEntry> e = jarFile.entries(); URL[] urls = { new URL(“jar:file:” + pathToJar+”!/”) }; URLClassLoader cl = URLClassLoader.newInstance(urls); while (e.hasMoreElements()) { … Read more
Open build.gradle for library project Write two tasks in build.gradle — deleteJar and createJar and add rule createJar.dependsOn(deleteJar, build) The code from above: task deleteJar(type: Delete) { delete ‘libs/jars/logmanagementlib.jar’ } task createJar(type: Copy) { from(‘build/intermediates/bundles/release/’) into(‘libs/jars/’) include(‘classes.jar’) rename(‘classes.jar’, ‘logmanagementlib.jar’) } createJar.dependsOn(deleteJar, build) Expand gradle panel from right and open all tasks under yourlibrary->others. You will … Read more
ClassPath: ClassPath is affected depending on what you provide. There are a couple of ways to set something on the classpath: spark.driver.extraClassPath or it’s alias –driver-class-path to set extra classpaths on the node running the driver. spark.executor.extraClassPath to set extra class path on the Worker nodes. If you want a certain JAR to be effected … Read more
If you have previously used the right click and opened with \path\to\your\javaw.exe then you will need to remove the following registry key. [-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jar] Then run C:\>assoc .jar=jarfile C:\>ftype jarfile=”C:\path\to\your\javaw.exe” -jar “%1” %*
With Java/JavaFX 11, the shadow/fat jar won’t work. As you can read here: This error comes from sun.launcher.LauncherHelper in the java.base module. The reason for this is that the Main app extends Application and has a main method. If that is the case, the LauncherHelper will check for the javafx.graphics module to be present as … Read more
Works fine for me. Check what you may have different. Example 1: (resources in src) Steps: File Structure Code package com.stackoverflow.test; import java.net.URL; import javax.swing.*; // Wild carded for brevity. // Actual code imports single classes public class Main { public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable(){ public void run() { URL url = … Read more