java.util.ConcurrentModificationException: null
    at java.util.HashMap$HashIterator.nextEntry(HashMap.java:787)
    at java.util.HashMap$KeyIterator.next(HashMap.java:814)
    at java.util.jar.JarVerifier.readCertificates(JarVerifier.java:266)
    at java.util.jar.JarFile.getInputStream(JarFile.java:380)
    at libcore.net.url.JarURLConnectionImpl.getInputStream(JarURLConnectionImpl.java:222)
    at java.net.URL.openStream(URL.java:470)
    at java.util.ServiceLoader$ServiceIterator.readClass(ServiceLoader.java:224)
    at java.util.ServiceLoader$ServiceIterator.hasNext(ServiceLoader.java:202)
    at kotlin.collections.CollectionsKt___CollectionsKt.firstOrNull(_Collections.kt:220)
    at kotlin.reflect.jvm.internal.impl.builtins.BuiltInsLoader$Companion$Instance$2.invoke(BuiltInsLoader.kt:39)
    at kotlin.reflect.jvm.internal.impl.builtins.BuiltInsLoader$Companion$Instance$2.invoke(BuiltInsLoader.kt:36)
    at kotlin.SafePublicationLazyImpl.getValue(LazyJVM.kt:107)
    at kotlin.reflect.jvm.internal.impl.builtins.BuiltInsLoader$Companion.getInstance(BuiltInsLoader.kt)
    at kotlin.reflect.jvm.internal.impl.builtins.KotlinBuiltIns.createBuiltInsModule(KotlinBuiltIns.java:125)
    at kotlin.reflect.jvm.internal.impl.builtins.jvm.JvmBuiltIns.<init>(JvmBuiltIns.kt:43)
    at kotlin.reflect.jvm.internal.impl.builtins.jvm.JvmBuiltIns.<init>(JvmBuiltIns.kt:18)
    at kotlin.reflect.jvm.internal.components.RuntimeModuleData$Companion.create(RuntimeModuleData.kt:58)
    at kotlin.reflect.jvm.internal.ModuleByClassLoaderKt.getOrCreateModule(moduleByClassLoader.kt:58)
    at kotlin.reflect.jvm.internal.KDeclarationContainerImpl$Data$moduleData$2.invoke(KDeclarationContainerImpl.kt:37)
    at kotlin.reflect.jvm.internal.KDeclarationContainerImpl$Data$moduleData$2.invoke(KDeclarationContainerImpl.kt:34)
    at kotlin.reflect.jvm.internal.ReflectProperties$LazySoftVal.invoke(ReflectProperties.java:92)
    at kotlin.reflect.jvm.internal.ReflectProperties$Val.getValue(ReflectProperties.java:31)
    at kotlin.reflect.jvm.internal.KDeclarationContainerImpl$Data.getModuleData(KDeclarationContainerImpl.kt)
    at kotlin.reflect.jvm.internal.KClassImpl$Data$descriptor$2.invoke(KClassImpl.kt:47)
    at kotlin.reflect.jvm.internal.KClassImpl$Data$descriptor$2.invoke(KClassImpl.kt:44)
    at kotlin.reflect.jvm.internal.ReflectProperties$LazySoftVal.invoke(ReflectProperties.java:92)
    at kotlin.reflect.jvm.internal.ReflectProperties$Val.getValue(ReflectProperties.java:31)
    at kotlin.reflect.jvm.internal.KClassImpl$Data.getDescriptor(KClassImpl.kt)
    at kotlin.reflect.jvm.internal.KClassImpl.getDescriptor(KClassImpl.kt:179)
    at kotlin.reflect.jvm.internal.KClassImpl.getConstructorDescriptors(KClassImpl.kt:196)
    at kotlin.reflect.jvm.internal.KClassImpl$Data$constructors$2.invoke(KClassImpl.kt:91)
    at kotlin.reflect.jvm.internal.KClassImpl$Data$constructors$2.invoke(KClassImpl.kt:44)
    at kotlin.reflect.jvm.internal.ReflectProperties$LazySoftVal.invoke(ReflectProperties.java:92)
    at kotlin.reflect.jvm.internal.ReflectProperties$Val.getValue(ReflectProperties.java:31)
    at kotlin.reflect.jvm.internal.KClassImpl$Data.getConstructors(KClassImpl.kt)
    at kotlin.reflect.jvm.internal.KClassImpl.getConstructors(KClassImpl.kt:235)
    at kotlin.reflect.full.KClasses.getPrimaryConstructor(KClasses.kt:40)
    at com.airbnb.mvrx.BaseMvRxViewModel$1.call(BaseMvRxViewModel.kt:52)
    at com.airbnb.mvrx.BaseMvRxViewModel$1.call(BaseMvRxViewModel.kt:31)
    at io.reactivex.internal.operators.completable.CompletableFromCallable.subscribeActual(CompletableFromCallable.java:36)
    at io.reactivex.Completable.subscribe(Completable.java:2309)
    at io.reactivex.internal.operators.completable.CompletableSubscribeOn$SubscribeOnObserver.run(CompletableSubscribeOn.java:64)
    at io.reactivex.internal.schedulers.ScheduledDirectTask.call(ScheduledDirectTask.java:38)
    at io.reactivex.internal.schedulers.ScheduledDirectTask.call(ScheduledDirectTask.java:26)
    at java.util.concurrent.FutureTask.run(FutureTask.java:237)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:269)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
    at java.lang.Thread.run(Thread.java:818)