[英]Maven pom.xml change manifest mainclass
I'm working on a project where I have gotten a sample code that is build with Maven. 我正在一个项目中,我已经获得了用Maven构建的示例代码。 In the pom.xml there is 在pom.xml中有
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.3</version>
<configuration>
<archive>
<manifest>
<mainClass>com.xxx.research.control.ControlClass</mainClass>
<addClasspath>true</addClasspath>
<classpathPrefix>lib/</classpathPrefix>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
Now I have written my own code and I am trying to reuse this pom since I'm new to maven. 现在,我已经编写了自己的代码,并且由于我是Maven新手,所以我尝试重用此pom。 I have tried to change <mainClass>com.xxx.research.control.Main</mainClass>
to <mainClass>project.Main</mainClass>
because thats where my code is. 我试图将<mainClass>com.xxx.research.control.Main</mainClass>
更改为<mainClass>project.Main</mainClass>
因为那是我的代码所在的位置。 In Eclipse I have it in the sam source folder but in a package "project". 在Eclipse中,它位于sam源文件夹中,但位于“项目”包中。
When I do maven clean install with the original pom I can run the jar that it produces just fine but when I modify it to build my code I get Exception in thread "main" java.lang.NoClassDefFoundError: project/Main
. 当我使用原始pom进行maven全新安装时,我可以运行它生成的jar,但是当我对其进行修改以构建代码时,我Exception in thread "main" java.lang.NoClassDefFoundError: project/Main
得到Exception in thread "main" java.lang.NoClassDefFoundError: project/Main
。
What am I missing here? 我在这里想念什么?
Thanks in advance. 提前致谢。
By default maven looks under src/main/java folder for your source code, so you have to put your main class on src/main/java/project/Main.java 默认情况下,maven在src / main / java文件夹下查找源代码,因此您必须将主类放在src / main / java / project / Main.java上
Have a read at the maven manual, it also has some folder structure for resources and unit tests that will be included into classpath: 阅读maven手册,它也具有一些资源和单元测试的文件夹结构,这些结构将包含在classpath中:
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