maven打可执行jar包

使用场景:我们用maven打的jar包,是可以通过java -jar执行的,但是不是spring的项目,所以需要自己配置maven来满足使用需要.通过以下配置就可以解决错误信息.

  <build>
        <!--<finalName>ocrtest</finalName>-->

        <plugins>
          <!--  <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-jar-plugin</artifactId>
            <version>3.2.0</version>
            <configuration>
                <archive>
                    <manifest>
                        <addClasspath>true</addClasspath>
                        <mainClass>App</mainClass> &lt;!&ndash; 此处为主入口&ndash;&gt;
                    </manifest>
                </archive>
            </configuration>
            </plugin>-->


            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.8.1</version>
                <configuration>
                    <source>8</source>
                    <target>8</target>
                    <encoding>UTF-8</encoding>
                    <verbose>true</verbose>
                    <showWarnings>true</showWarnings>
                </configuration>
            </plugin>


            <plugin>
                <artifactId>maven-assembly-plugin</artifactId>
                <configuration>
                    <descriptorRefs>
                        <descriptorRef>jar-with-dependencies</descriptorRef>
                    </descriptorRefs>
                    <archive>
                        <manifest>
                            <mainClass>App</mainClass>
                        </manifest>
                    </archive>
                    <archiverConfig>
                        <encoding>utf-8</encoding>
                    </archiverConfig>
                </configuration>
                <executions>
                    <execution>
                        <id>make-assembly</id>
                        <phase>package</phase>
                        <goals>
                            <goal>single</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

<build>
    <!--<finalName>ocrtest</finalName>-->

<plugins>
      <!--  <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-jar-plugin</artifactId>
        <version>3.2.0</version>
        <configuration>
            <archive>
                <manifest>
                    <addClasspath>true</addClasspath>
                    <mainClass>App</mainClass> &lt;!&ndash; 此处为主入口&ndash;&gt;
                </manifest>
            </archive>
        </configuration>
        </plugin>-->


<plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.8.1</version>
            <configuration>
                <source>8</source>
                <target>8</target>
                <encoding>UTF-8</encoding>
                <verbose>true</verbose>
                <showWarnings>true</showWarnings>
            </configuration>
        </plugin>


        <plugin>
            <artifactId>maven-assembly-plugin</artifactId>
            <configuration>
                <descriptorRefs>
                    <descriptorRef>jar-with-dependencies</descriptorRef>
                </descriptorRefs>
                <archive>
                    <manifest>
                        <mainClass>App</mainClass>
                    </manifest>
                </archive>
                <archiverConfig>
                    <encoding>utf-8</encoding>
                </archiverConfig>
            </configuration>
            <executions>
                <execution>
                    <id>make-assembly</id>
                    <phase>package</phase>
                    <goals>
                        <goal>single</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>