Scala 打包 flink 程序，找不到主类

不念不忘少年蓝@ 2022-12-05 12:16 183阅读 0赞

在flink开发的时候，scala程序在打包编译的时候，进不来，但是在idea里面直接运行是没有问题的。找了下原因，需要引入scala的编译插件，mark下。

**scala-maven-plugin**

<build>
            <plugins>
                
                <plugin>
                    <groupId>net.alchim31.maven</groupId>
                    <artifactId>scala-maven-plugin</artifactId>
                    <version>4.4.0</version>
                    <executions>
                        <execution>
                            <id>compile-scala</id>
                            <phase>compile</phase>
                            <goals>
                                <goal>add-source</goal>
                                <goal>compile</goal>
                            </goals>
                        </execution>
                        <execution>
                            <id>test-compile-scala</id>
                            <phase>test-compile</phase>
                            <goals>
                                <goal>add-source</goal>
                                <goal>testCompile</goal>
                            </goals>
                        </execution>
                    </executions>
                </plugin>
    
                
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-assembly-plugin</artifactId>
                    <version>3.3.0</version>
                    <configuration>
                        <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>
            </plugins>
        </build>