NoClassDefFoundError when using Completable

[pbochenski]

Hi I try to use Retrofit2 with RxJava bindings and got this crash:

FATAL EXCEPTION: main
Process: com.kovanen, PID: 24789
java.lang.NoClassDefFoundError: retrofit2.adapter.rxjava.CompletableHelper$CompletableCallOnSubscribe
at retrofit2.adapter.rxjava.CompletableHelper$CompletableCallAdapter.adapt(CompletableHelper.java:85)
at retrofit2.adapter.rxjava.CompletableHelper$CompletableCallAdapter.adapt(CompletableHelper.java:73)
at retrofit2.Retrofit$1.invoke(Retrofit.java:147)
at java.lang.reflect.Proxy.invoke(Proxy.java:393)
at $Proxy5.updateUserDetails(Unknown Source)
at com.kovanen.repository.NetworkAuthorizedApiRepo.updateUserDetails(AuthorizedApiRepo.kt:17)
at com.kovanen.usecases.UpdateUserDetailsUseCase.buildObservable(UserUseCases.kt:17)
at com.kovanen.framework.UseCaseExecutor.execute(UseCase.kt:22)
at com.kovanen.activities.loggingActivity.UserDetailsPresenter.okClicked(UserDetailsActivity.kt:137)
at com.kovanen.activities.loggingActivity.UserDetailsActivity$onCreate$1.onClick(UserDetailsActivity.kt:53)
at android.view.View.performClick(View.java:5198)
at android.view.View$PerformClick.run(View.java:21147)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)

my interface method looks like this:

@PATCH("users/{accountId}")
    fun updateUserDetails(@Path("accountId") id: Long, @Body data: UpdateUserDetailsBody): Completable

and my gradle config:

    compile 'com.squareup.retrofit2:retrofit:2.1.0'
    compile 'com.squareup.retrofit2:adapter-rxjava:2.1.0'
    compile 'com.squareup.retrofit2:converter-gson:2.1.0'
    compile 'com.squareup.okhttp3:logging-interceptor:3.3.1'
    compile 'io.reactivex:rxjava:1.2.1'
    compile 'io.reactivex:rxandroid:1.2.1'

It is on debug build so it is not cut out by proguard. Sidenote: I'm using Kotlin so returning Observable<Void> crashes app (trying to call onNext(null))

any help?

[JakeWharton]

Completable changed in a backwards-incompatible way in RxJava 1.2.0. Either use an older version of RxJava or use the latest SNAPSHOT version of Retrofit which has already fixed the issue. It will be released in a few weeks.

[PaulWoitaschek]

Any news on a new release? I don't want to use a snapshot version so I'm still stuck with rxJava 1.1.10

[pbochenski]

You can also use Single<Response<Void>>, but then you need to handle http errors manually.

[asbadve]

Any News

[JakeWharton]

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Any News

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