Android Kotlin - Room Local Storage, build error "A failure occurred while executing org.jetbrains.kotlin.gradle.internal.KaptExecution"

Question

[Using Gradle 4.0.0], I try to implement local storage by room in Android Kotlin in Andriod Studio 4. When I try to build project, i meet an error in build console

A failure occurred while executing org.jetbrains.kotlin.gradle.internal.KaptExecution

Image:

Gradle:

apply plugin: 'kotlin-kapt'

implementation "androidx.room:room-runtime:$room_version"
kapt "androidx.room:room-compiler:$room_version" 

Please kindly help to show the solution for me

Solution 1

Android Studio's UI was just hiding the error...

when the error occurred, it highlighted the item in the list view, and showed an unhelpful message in the terminal view.

to find the real error, select the root item in the list view so that Android Studio would display the whole build output in the terminal view, then scroll to find error.

Solution 2

The error is show by the kapt in your project, and to show full error message you will have to add these to your gradle.properties file.

kapt.use.worker.api=false
kapt.incremental.apt=false

After that run your app again, and try to read from the detailed error.

Solution 3

Verify your DAO, make sure everything is where it is supposed to be. 4/5 when I get this error, I find out I miswrote/forgot something somewhere with the dao

Solution 4

If you have Hilt in your project with Kotlin, make sure you have annotated your module class with:

@Module
@InstallIn(SingletonComponent::class)

Solution 5

I was getting the same error, when i was trying to retrieve all the columns from db with return type of LiveData array list(Dao file), eg: return type was -

LiveData<ArrayList<Book>>

And when i change ArrayList to list like this: LiveData<List<Book>>

Although i'm not sure about the cause or reason for the error, the above chnages worked for me

also,

If you are using coroutines, check the room dependency for room-ktx

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Comments

[Ravindra Kushwaha]

Can you please help me on it..I am using the hilt with my java andorid and getting this following exception java.lang.reflect.InvocationTargetException (no error message) ..Please help me

[Custadian]

Thanks @Eric for the right approach to understand the core issue.