[1.13.2] Minecraft.getInstance() method not found

[The_Jackal]

The mod I'm updating to 1.13.2 compiles but throws NoSuchMethodError on the first call to Minecraft.getInstance().

 

java.lang.NoSuchMethodError: net.minecraft.client.Minecraft.getInstance()Lnet/minecraft/client/Minecraft;

 

I'm running the mod using release 1.13.2-forge-25.0.50.

 

I'm assuming this is a build issue. My build.gradle is:

buildscript {
    repositories {
        maven { url = 'https://files.minecraftforge.net/maven' }
        jcenter()
        mavenCentral()
    }
    dependencies {
        classpath group: 'net.minecraftforge.gradle', name: 'ForgeGradle', version: '3.+', changing: true
        classpath 'com.github.jengelman.gradle.plugins:shadow:4.0.4'
    }
}

apply plugin: 'net.minecraftforge.gradle'
apply plugin: 'com.github.johnrengelman.shadow'

version = "1.13-2-25.0.50"
group = "com.shiny.joypadmod"
archivesBaseName = "JoypadMod"

sourceCompatibility = targetCompatibility = compileJava.sourceCompatibility = compileJava.targetCompatibility = '1.8' // Need this here so eclipse task generates correctly.


allprojects {
        repositories {
            jcenter()
            maven { url "https://jitpack.io" }
        }
   }

minecraft {
    mappings channel: 'snapshot', version: '20180921-1.13'

    runs {
        client {
            workingDirectory project.file('run')

            // Recommended logging data for a userdev environment
            property 'forge.logging.markers', 'SCAN,REGISTRIES,REGISTRYDUMP'

            // Recommended logging level for the console
            property 'forge.logging.console.level', 'debug'

            mods {
                joypadmod {
                    source sourceSets.main
                }
            }
        }

        server {
            workingDirectory project.file('run')

            // Recommended logging data for a userdev environment
            property 'forge.logging.markers', 'SCAN,REGISTRIES,REGISTRYDUMP'

            // Recommended logging level for the console
            property 'forge.logging.console.level', 'debug'

            mods {
                joypadmod {
                    source sourceSets.main
                }
            }
        }
    }
}

dependencies {
    minecraft 'net.minecraftforge:forge:1.13.2-25.0.50'
    implementation 'org.lwjgl.lwjgl:lwjgl:2.+'
    implementation  'com.github.strikerx3:jxinput:0.8'
}

jar {
    manifest {
        attributes([
                "Specification-Title": "JoypadMod",
                "Specification-Vendor": "JoypadMod",
                "Specification-Version": "1.13-2-25.0.50", // We are version 1 of ourselves
                "Implementation-Title": project.name,
                "Implementation-Version": "${version}",
                "Implementation-Vendor" :"JoypadMod",
                "Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ")
        ])
    }
}

shadowJar {
    classifier = ""
    dependencies {
        include dependency("org.lwjgl.lwjgl:lwjgl:2.+")
        include dependency("com.github.strikerx3:jxinput:0.8")
    }
}

tasks.build.dependsOn shadowJar

I tried adding reobf to the shadow jar, but the build then fails with a mapping error: "No value has been specified for property 'mappings'." The reobf tasks are as follows:

reobf {
	shadowJar {}
}
tasks.build.dependsOn reobfShadowJar

 

Edited February 26, 2019 by The_Jackal

[The_Jackal]

I was missing Minecraft as a dependency in the mods.toml file. I took the #optional too literally

 

Adding minecraft as a dependency in the mods.toml file didn't help. 

 

It's something to do with adding the shadowJar task, because when I remove it, I can call Minecraft.getInstance(), but I can't get to the classes I need to shadow.

Edited February 26, 2019 by The_Jackal

[larsgerrits]

Why are you using LWJGL 2? Minecraft updated to LWJGL 3 in 1.13.

[The_Jackal]

Thanks will update. Still can't call Minecraft.getInstance() though.

[larsgerrits]

56 minutes ago, The_Jackal said:

Thanks will update.

You shouldn't even have had that in the beginning, remove it.

 

How are you building your mod?

[The_Jackal]

Using gradlew build. This is similar to how the mod was built for 1.12.2 but it just used a shade configuration and included those dependencies directly. If I don't use shadow, then Minecraft.getInstance() works at runtime, but calls the the jxinput fail. As soon as I add the shadowJar task, Minecraft.getInstance() fails, almost like I'm getting a different version of Minecraft on the classpath.