Error: Plug In Not Found - ErrorProne

[chirdeeptomar]

I have both the gradle plugin and the errorprone dependency set with correct version from error_prone_core and I am still getting Plugin not found error.

I have Java 21, Gradle 8.8 with Kotlin DSL.

Source URL

import net.ltgt.gradle.errorprone.errorprone

plugins {
    // Apply the application plugin to add support for building a CLI application in Java.
    application
    id("net.ltgt.errorprone") version "4.0.0"
    id("io.freefair.lombok") version "8.6"
    id("com.github.johnrengelman.shadow") version "8.1.1"
}

val camelVersion = "4.8.0"
val log4jVersion = "2.23.1"
val errorproneVersion = "2.32.0"

repositories {
    // Use Maven Central for resolving dependencies.
    mavenCentral()
}

dependencies {
    implementation("org.apache.camel:camel-core:${camelVersion}")
    implementation("org.apache.camel:camel-main:${camelVersion}")
    ..... 
    implementation("org.apache.logging.log4j:log4j-core:${log4jVersion}")

    errorprone("com.google.errorprone:error_prone_core:$errorproneVersion")
    runtimeOnly("org.apache.logging.log4j:log4j-slf4j2-impl:${log4jVersion}")
}

testing {
    suites {
        // Configure the built-in test suite
        val test by getting(JvmTestSuite::class) {
            // Use JUnit Jupiter test framework
            useJUnitJupiter("5.9.1")
        }
    }
}

application {
    // Define the main class for the application.
    mainClass.set("com.empyrean.camel.App")
}

tasks.withType<JavaCompile>().configureEach {
    options.errorprone.disableWarningsInGeneratedCode.set(true)
    options.compilerArgs.addAll(listOf(
        "-Xplugin:ErrorProne",
        "--add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED",
        "--add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED",
        "--add-exports=jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED",
        "--add-exports=jdk.compiler/com.sun.tools.javac.model=ALL-UNNAMED",
        "--add-exports=jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED",
        "--add-exports=jdk.compiler/com.sun.tools.javac.processing=ALL-UNNAMED",
        "--add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED",
        "--add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED",
        "--add-opens=jdk.compiler/com.sun.tools.javac.code=ALL-UNNAMED",
        "--add-opens=jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED"
    ))
}

Appreciate your help.

[tbroyer]

You're not supposed to configure all those compilerArgs, that's the whole raison d'être of this plugin (also, --add-exports and --add-opens are JVM args, not compiler args, but you don't need to care as the plugin adds them if needed).
Remove them, leaving only the options.errorprone.… line, and the compilation then runs (and succeeds with warnings)

$ ./gradlew compileJava

> Configure project :app
The CopyProcessingSpec.setFileMode(Integer) method has been deprecated. This is scheduled to be removed in Gradle 9.0. Please use the filePermissions(Action) method instead. Consult the upgrading guide for further information: https://docs.gradle.org/8.8/userguide/upgrading_version_8.html#unix_file_permissions_deprecated

> Task :app:compileJava
/…/apache-camel/app/src/main/java/com/empyrean/camel/routes/KafkaRouteBuilder.java:10: warning: [MissingOverride] configure implements method in RouteBuilder; expected @Override
    public void configure() {
                ^
    (see https://errorprone.info/bugpattern/MissingOverride)
  Did you mean '@Override public void configure() {'?
/…/apache-camel/app/src/main/java/com/empyrean/camel/routes/SimpleRouteBuilder.java:11: warning: [MissingOverride] configure implements method in RouteBuilder; expected @Override
    public void configure() {
                ^
    (see https://errorprone.info/bugpattern/MissingOverride)
  Did you mean '@Override public void configure() {'?
2 warnings

BUILD SUCCESSFUL in 8s
2 actionable tasks: 2 executed