build.gradle

subprojects {
    apply plugin: 'java'

    group 'com.example'
    version '1.0-SNAPSHOT'

    // sourceCompatibility = 1.17

    java {
        toolchain {
            languageVersion = JavaLanguageVersion.of(17)
        }
    }

    repositories {
        // using this commit of the java flatbuffers lib is
        // an easy way to get 23.3.3 jar into this build.
        // This is no loger on maven central, seems like a build issue with flatbuffers
        // latest and well known, flatbuffers-java release, as of 4/29/2023
        // docs:  https://docs.gradle.org/current/userguide/declaring_repositories.html
        flatDir {
            dirs project.rootDir.toString() + '/maven-repo-lib'
            // dirs './maven-repo-lib'
        }

        // useful for building locally
        // mavenLocal()
        google()

        // good default
        mavenCentral()

        // spring boot
        maven { url 'https://repo.spring.io/milestone' }
    }

    dependencies {
        // https://stackoverflow.com/questions/20700053/how-to-add-local-jar-file-dependency-to-build-gradle-file
        // compile fileTree(dir: 'lib', include: ['*.jar'])
        // implementation files('lib/flatbuffers-java-grpc-23.3.3.jar')
        implementation(files("./lib/flatbuffers-java-grpc-23.3.3.jar"))
        testImplementation group: 'junit', name: 'junit', version: '4.12'
    }
}

repositories {
    // using this commit of the java flatbuffers lib is
    // an easy way to get 23.3.3 jar into this build.
    // This is no loger on maven central, seems like a build issue with flatbuffers
    // latest and well known, flatbuffers-java release, as of 4/29/2023
    // docs:  https://docs.gradle.org/current/userguide/declaring_repositories.html
    flatDir {
        dirs './maven-repo-lib'
    }

    // useful for building locally
    // mavenLocal()
    google()

    // good default
    mavenCentral()
}