An executable jar file is just a jar file containing a Main-Class entry in its manifest. So you just need to configure the jar task in order to add this entry in its manifest: jar { manifest { attributes ‘Main-Class’: ‘com.foo.bar.MainClass’ } } You might also need to add classpath entries in the manifest, but … Read more
Add your start class in your pom: <properties> <!– The main class to start by executing java -jar –> <start-class>com.mycorp.starter.HelloWorldApplication</start-class> </properties> or <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <mainClass>com.mycorp.starter.HelloWorldApplication</mainClass> </configuration> </plugin> </plugins> </build>
You can create your jar without Main-Class in its Manifest file. Then : java -cp MyJar.jar com.mycomp.myproj.dir2.MainClass2 /home/myhome/datasource.properties /home/myhome/input.txt
Easiest route is probably upgrading or re-installing the Java Runtime Environment (JRE). Or this: Open the Windows Explorer, from the Tools select ‘Folder Options…’ Click the File Types tab, scroll down and select JAR File type. Press the Advanced button. In the Edit File Type dialog box, select open in Actions box and click Edit… … Read more
For those who got this error when trying to create a shaded uber-jar with maven-shade-plugin, the solution is to exclude manifest signature files by adding the following lines to the plugin configuration: <configuration> <filters> <filter> <artifact>*:*</artifact> <excludes> <exclude>META-INF/*.SF</exclude> <exclude>META-INF/*.DSA</exclude> <exclude>META-INF/*.RSA</exclude> </excludes> </filter> </filters> <!– Additional configuration. –> </configuration>
return new File(MyClass.class.getProtectionDomain().getCodeSource().getLocation() .toURI()).getPath(); Replace “MyClass” with the name of your class. Obviously, this will do odd things if your class was loaded from a non-file location.
<build> <plugins> <plugin> <artifactId>maven-assembly-plugin</artifactId> <configuration> <archive> <manifest> <mainClass>fully.qualified.MainClass</mainClass> </manifest> </archive> <descriptorRefs> <descriptorRef>jar-with-dependencies</descriptorRef> </descriptorRefs> </configuration> </plugin> </plugins> </build> and you run it with mvn clean compile assembly:single Compile goal should be added before assembly:single or otherwise the code on your own project is not included. See more details in comments. Commonly this goal is tied to … Read more