<build>
        <sourceDirectory>${project.basedir}/src/main/kotlin</sourceDirectory>
        <testSourceDirectory>${project.basedir}/src/test/kotlin</testSourceDirectory>
        <pluginManagement>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                </plugin>
                <plugin>
                    <groupId>org.jacoco</groupId>
                    <artifactId>jacoco-maven-plugin</artifactId>
                    <version>${jacoco-maven-plugin.version}</version>
                    <executions>
                        <execution>
                            <id>pre-unit-tests</id>
                            <goals>
                                <goal>prepare-agent</goal>
                            </goals>
                            <configuration>
                                <!-- Sets the path to the file which contains the execution data. -->
                                <destFile>${project.testresult.directory}/coverage/jacoco/jacoco.exec</destFile>
                            </configuration>
                        </execution>
                        <!-- Ensures that the code coverage report for unit tests is created after unit tests have been run -->
                        <execution>
                            <id>post-unit-test</id>
                            <phase>test</phase>
                            <goals>
                                <goal>report</goal>
                            </goals>
                            <configuration>
                                <dataFile>${project.testresult.directory}/coverage/jacoco/jacoco.exec</dataFile>
                                <outputDirectory>${project.testresult.directory}/coverage/jacoco</outputDirectory>
                            </configuration>
                        </execution>
                    </executions>
                </plugin>
                <plugin>
                    <artifactId>kotlin-maven-plugin</artifactId>
                    <groupId>org.jetbrains.kotlin</groupId>
                    <configuration>
                        <args>
                            <arg>-Xjsr305=strict</arg>
                        </args>
                        <compilerPlugins>
                            <plugin>spring</plugin>
                        </compilerPlugins>
                    </configuration>
                    <dependencies>
                        <dependency>
                            <groupId>org.jetbrains.kotlin</groupId>
                            <artifactId>kotlin-maven-allopen</artifactId>
                            <version>${kotlin.version}</version>
                        </dependency>
                    </dependencies>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>

Error:Kotlin: Supertypes of the following classes cannot be resolved. Please make sure you have the required dependencies in the classpath:
    class org.springframework.http.HttpStatus, unresolved supertypes: java.lang.Enum
    class org.springframework.data.jpa.repository.JpaRepository, unresolved supertypes: java.lang.Object
    class org.springframework.data.repository.PagingAndSortingRepository, unresolved supertypes: java.lang.Object
    class org.springframework.data.repository.CrudRepository, unresolved supertypes: java.lang.Object
    class org.springframework.data.repository.Repository, unresolved supertypes: java.lang.Object
    class org.springframework.data.repository.query.QueryByExampleExecutor, unresolved supertypes: java.lang.Object
    class javax.persistence.GenerationType, unresolved supertypes: java.lang.Enum
    class org.springframework.data.domain.Pageable, unresolved supertypes: java.lang.Object
    class org.springframework.data.domain.Sort, unresolved supertypes: java.lang.Object, java.io.Serializable
    class org.springframework.data.util.Streamable, unresolved supertypes: java.lang.Object, java.lang.Iterable
    class org.springframework.data.domain.Example, unresolved supertypes: java.lang.Object

14:19 Compilation completed with 48 errors and 0 warnings in 7 s 344 ms

14:25 Maven 3.3.1+ requires JDK 1.7+. Please set appropriate JDK at 
    Settings | Build, Execution, Deployment | Build Tools | Maven | Runner | JRE

14:25 Error running 'mvn install': No JDK specified

14:25 Maven 3.3.1+ requires JDK 1.7+. Please set appropriate JDK at 
    Settings | Build, Execution, Deployment | Build Tools | Maven | Runner | JRE

14:25 Error running 'mvn install': No JDK specified