I have an android project where I cannot run anymore all the test gradle tasks locally (I have 3 different flavors in this project). I have this error message 50 times before the tasks fail. I have no issue running these tasks remotely with Gitlab CI/CD, and I have another project locally where I don't have this issue neither.
java.lang.NoClassDefFoundError: jdk/internal/reflect/GeneratedSerializationConstructorAccessor1
at jdk.internal.reflect.GeneratedSerializationConstructorAccessor1.newInstance(Unknown Source)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at java.base/java.io.ObjectStreamClass.newInstance(ObjectStreamClass.java:1092)
at java.base/java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2150)
at java.base/java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1668)
at java.base/java.io.ObjectInputStream.readObject(ObjectInputStream.java:482)
at java.base/java.io.ObjectInputStream.readObject(ObjectInputStream.java:440)
at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.deserializeWorker(SystemApplicationClassLoaderWorker.java:153)
at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:121)
at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:71)
at worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69)
at worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74)
Thanks to @Tungken
I had to add it inside testOptions { unitTests.all { jacoco {
android {
compileSdk 30
buildToolsVersion "30.0.3"
defaultConfig {
...
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled true
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
debug {
testCoverageEnabled true
debuggable true
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_11
targetCompatibility JavaVersion.VERSION_11
}
kotlinOptions {
jvmTarget = '11'
}
testOptions {
unitTests.all {
jacoco {
includeNoLocationClasses = true
excludes = ['jdk.internal.*'] //This line
}
}
unitTests.returnDefaultValues = true
}
}
This is an old issue, but for future google searchers and perhaps interested parties that could work around this, it is worth mentioning that if you are using one of the more popular walk-throughs to set up JaCoCo + Robolectric + Espresso - https://medium.com/@rafael_toledo/setting-up-an-unified-coverage-report-in-android-with-jacoco-robolectric-and-espresso-ffe239aaf3fa . Please add below this:
tasks.withType(Test) {
jacoco.includeNoLocationClasses = true
jacoco.excludes = ['jdk.internal.*']
}
In my case:
junitJacoco {
jacocoVersion = '0.8.4' // type String
includeInstrumentationCoverageInMergedReport = true // type boolean
tasks.withType(Test) {
jacoco.includeNoLocationClasses = true
jacoco.excludes = ['jdk.internal.*']
}
}
For anyone looking how the fix look like for Kotlin DSL - working solution:
import com.android.build.gradle.BaseExtension
import org.gradle.kotlin.dsl.configure
import org.gradle.testing.jacoco.plugins.JacocoTaskExtension
configure<BaseExtension> {
testOptions {
unitTests {
all { test ->
test.extensions.configure<JacocoTaskExtension> {
excludes = listOf("jdk.internal.*")
}
}
}
}
}
For anyone looking how the fix looks like in Kotlin *.kts
:
tasks.withType<Test> {
extensions.configure(JacocoTaskExtension::class) {
isIncludeNoLocationClasses = true
excludes = listOf("jdk.internal.*")
}
}
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