mvn assembly:assembly

　　打包，运行

mvn assembly:assembly

　　报错

Error creating assembly archive pack: You must set at least one file

　　 原来的 pom 中  maven-assembly-plugin 是这样的

            <plugin>
                <artifactId>maven-assembly-plugin</artifactId>
                <configuration>
                    <descriptorRefs>
                        <descriptorRef>jar-with-dependencies</descriptorRef>
                    </descriptorRefs>
                </configuration>
                <version>2.3</version>
             </plugin>

　　修改后

          <plugin>
                <artifactId>maven-assembly-plugin</artifactId>
                <configuration>
                    <descriptorRefs>
                        <descriptorRef>jar-with-dependencies</descriptorRef>
                    </descriptorRefs>
                </configuration>
                <version>2.3</version>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>single</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>

　　再运行

mvn assembly:assembly

　　可行