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Issues with JDA shadow in 1.16.5 - Forge: 36.1.35


DBKynd

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Hello, I'm trying to make a Forge mod with JDA. (Java Discord)
I've been able to use the gradle shadow plugin to include the dependencies. And my mod loads properly and functions in the dev environment.
But once compiled into the shadow jar, (yes I am using the shadowJar task in gradle) it crashes in production on a Forge server.

Here is my build.gradle file

buildscript {
    repositories {
        maven { url = 'https://maven.minecraftforge.net' }
        mavenCentral()
    }
    dependencies {
        classpath group: 'net.minecraftforge.gradle', name: 'ForgeGradle', version: '4.1.+', changing: true
    }
}

plugins {
    id 'com.github.johnrengelman.shadow' version '6.1.0'
}

apply plugin: 'net.minecraftforge.gradle'
apply plugin: 'eclipse'
apply plugin: 'maven-publish'

version = '1.16.5-1.0'
group = 'com.dbkynd.discordallowlist' // http://maven.apache.org/guides/mini/guide-naming-conventions.html
archivesBaseName = 'discordallowlist'

java.toolchain.languageVersion = JavaLanguageVersion.of(8)

println('Java: ' + System.getProperty('java.version') + ' JVM: ' + System.getProperty('java.vm.version') + '(' + System.getProperty('java.vendor') + ') Arch: ' + System.getProperty('os.arch'))
minecraft {
    mappings channel: 'official', version: '1.16.5'

    runs {
        client {
            workingDirectory project.file('run')
            property 'forge.logging.markers', 'REGISTRIES'
            property 'forge.logging.console.level', 'debug'

            mods {
                discordallowlist {
                    source sourceSets.main
                }
            }
        }

        server {
            workingDirectory project.file('run')
            property 'forge.logging.markers', 'REGISTRIES'
            property 'forge.logging.console.level', 'debug'

            mods {
                discordallowlist {
                    source sourceSets.main
                }
            }
        }

        data {
            workingDirectory project.file('run')
            property 'forge.logging.markers', 'REGISTRIES'
            property 'forge.logging.console.level', 'debug'
            args '--mod', 'discordallowlist', '--all', '--output', file('src/generated/resources/'), '--existing', file('src/main/resources/')

            mods {
                discordallowlist {
                    source sourceSets.main
                }
            }
        }
    }
}

sourceSets.main.resources { srcDir 'src/generated/resources' }

repositories {
    mavenCentral()
    maven {
        name 'm2-dv8tion'
        url 'https://m2.dv8tion.net/releases'
    }
}

dependencies {
    minecraft 'net.minecraftforge:forge:1.16.5-36.1.35'
    shadow('mysql:mysql-connector-java:8.0.25')
    shadow('net.dv8tion:JDA:4.3.0_298') {
        exclude module: 'opus-java'
    }
}

shadowJar {
    classifier ''
    configurations = [project.configurations.shadow]
}

reobf {
    shadowJar {}
}
shadowJar.finalizedBy('reobfShadowJar')

jar {
    manifest {
        attributes([
                "Specification-Title"     : "discordallowlist",
                "Specification-Vendor"    : "DBKynd",
                "Specification-Version"   : "1", // We are version 1 of ourselves
                "Implementation-Title"    : project.name,
                "Implementation-Version"  : project.version,
                "Implementation-Vendor"   : "DBKynd",
                "Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ")
        ])
    }
}

jar.finalizedBy('reobfJar')

publishing {
    publications {
        mavenJava(MavenPublication) {
            artifact jar
        }
    }
    repositories {
        maven {
            url "file:///${project.projectDir}/mcmodsrepo"
        }
    }
}


The Forge server crashes on startup with this error: java.lang.NoClassDefFoundError: gnu/trove/set/TLongSet
Though I can clearly see it in the jar file.
I believe I am shadowing correctly because the mysql connector is added and I can see a successful mysql connection being established before the crash.

 

Thanks for any and all help.

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I guess it's a part of the JDA library that get's shadowed in. I didn't add it myself for anything specific.
I tried to relocate all the added libs from JDA to com.dbkynd.discordallowlist.relocated.* but was still having issues.

I didn't know trove was a part of Minecraft though. I guess that makes sense.
Maybe I should try to exclude it with the shadow plugin??

 

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I think we got it!

Relocating trove got me past that error, but then it was complaining about apache
I had to boil down into apache and only relocate org.apache.commons.collections4
 

shadowJar {
    classifier ''
    configurations = [project.configurations.shadow]

    relocate('gnu.trove', 'com.dbkynd.discordallowlist.relocated.gnu.trove')
    relocate('org.apache.commons.collections4', 'com.dbkynd.discordallowlist.relocated.org.apache.commons.collections4')
}


But now it's starting with no errors.
Thanks for the help. Much appreciated!

Edited by DBKynd
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