maven - how can set both classpathPrefix and mainClass in pom? -

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i have pom.xml this:

<plugins>               <plugin>                 <groupid>org.apache.maven.plugins</groupid>                 <artifactid>maven-jar-plugin</artifactid>                 <version>2.6</version>                 <configuration>                   <archive>                     <manifest>                         <addclasspath>true</addclasspath>                         <mainclass>package.mainclass</mainclass>                         <classpathprefix>lib/</classpathprefix>                   </manifest>                   </archive>                 </configuration>               </plugin>               <plugin>                 <groupid>org.apache.maven.plugins</groupid>                 <artifactid>maven-compiler-plugin</artifactid>                 <version>3.2</version>                 <configuration>                 <source>1.6</source>                 <target>1.6</target>                 </configuration>               </plugin> </plugins>

and compile , package project successful. when java -jar myproject.jar error: not find or load main class package.mainclass!!

i think happened because wrote both mainclass , classpathprefix in manifest! way set them each other in pom.xml?


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