By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Sign in 2023 concretepage.com | Privacy Policy | Contact Us, I have this simple Test class with Spring @MockBean, @ContextConfiguration(classes = AppConfig.class). Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood. For that, I am assuming we need the Android SDK to download, but other than that we should be good? Only after complete removal of all jars from maven repo I could compile project again. I've seen several issues open on this issue tracker regarding this problem, dating from several months back. raphw on 23 Aug 2018 I have the same problem on Java 10 (and not Java 8) with mocked class coming from Kotlin code. 1. By clicking Sign up for GitHub, you agree to our terms of service and Why does this journey to the moon take so long? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. Already on GitHub? I tested on other 2 versions and had the same exception. We're a place where coders share, stay up-to-date and grow their careers. Find centralized, trusted content and collaborate around the technologies you use most. Mockito.when(myService.getMessage()).thenReturn("Hello"); Caused by: java.lang.IllegalStateException: Duplicate mock definition [MockDefinition@3e7dd664 name = '', typeToMock = com.myproject.MyService1, extraInterfaces =, set[[empty]], answer = RETURNS_DEFAULTS, serializable = false, reset = AFTER], Caused by: java.lang.UnsupportedClassVersionError: org/springframework/boot/maven/RunMojo, Column name pattern can not be NULL or empty, RestTemplate postForLocation() vs exchange(), RestTemplate postForEntity() vs exchange(), RestTemplate postForObject() vs exchange(), RestTemplate getForEntity() vs exchange(), RestTemplate getForObject() vs exchange(), RestTemplate postForObject() vs postForEntity() vs postForLocation(), RestTemplate getForObject() vs getForEntity(), Spring WebFlux : No serializer found for class DefaultServerResponseBuilder$BodyInserterResponse, Spring WebFlux : Annotated Controllers vs Functional Endpoints, What is Spring WebFlux and when to use it, Could not extract response: no suitable HttpMessageConverter found for response type and content type, Response Body coming null in Code but coming proper using Postman, No qualifying bean of type 'org.springframework.security. Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood. springframework. and I am getting the same exception when I try to mock a final class in device tests. privacy statement. Well occasionally send you account related emails. The new faster upgrade cycle for Java is likely to introduce some dependency issues like this one to your applications. So, I prefer latest.release rather than +. fails with "can't load this type of class file", https://github.com/mockito/mockito/tree/main/subprojects, Introduce regression test suite for Android ecosystem, Bump versions.bytebuddy from 1.11.5 to 1.11.6, Basic Android instrumented and unit tests (closes #2341), "Could not initialize plugin: interface org.mockito.plugins.MockMaker" on Android instrumented tests. org.mockito.plugins.MockMaker is required in our tests because many classes come from legacy code, with a lot of final classes. in my case, some abnormal env setting will also lead to this error: in ubuntu 16.04, java and javac had been update-alternatives to 7 On Mar 9, 2017 11:58 PM, "Tsuyoshi Murakami" ***@***. How many witnesses testimony constitutes or transcends reasonable doubt? Where to start with a large crack the lock puzzle like this? We read every piece of feedback, and take your input very seriously. Why was there a second saw blade in the first grail challenge? Successfully merging a pull request may close this issue. You switched accounts on another tab or window. Thanks for keeping DEV Community safe. I just mock a class like this Wrapper wrapper = mock(ClassName.class); Tried different versions of the library, still I have the same issue. As I mentioned, my tests were running with Java 12 under Windows 10. As you say that his answer is correct, maybe you can add some more details about the issue why and how mocking a, Agree to @second please improve my answer or just delete your duplicate answer, Mockito shows IllegalStateException in Android Studio, How terrifying is giving a conference talk? Caused by: java.lang.IllegalArgumentException: Unsupported class file major version 55 at net.bytebuddy.jar.asm.ClassReader. Not the answer to the original poster, since s/he's using Netbeans, but in Eclipse I needed to do "Maven -> Update Project" in order to get tests working again. Have a question about this project? https://sormuras.github.io/blog/2018-09-11-testing-in-the-modular-world.html, https://stackoverflow.com/questions/60267950/mock-maker-inline-could-not-initialize-inline-byte-buddy-mock-maker-power-moc. Here's the stack trace. Copy link jgmGit commented Apr 16, 2018. https://bintray.com/raphw/maven/ByteBuddy/. I've been migrating a project from Java 8 to Java 12. . (Ep. Make sure the IDE is NOT pointing to a JRE. They can still re-publish the post if they are not suspended. Then we can reproduce these kind of failures and ensure we don't break it again in future releases. Tried and worked for me. 4 comments Labels. //add the behavior to throw exception doThrow (new Runtime Exception ("divide operation not implemented")) .when (calcService).add (10.0,20.0); Here we've added an exception clause to a mock object. Its necessary for now as this might break for any new EA release if last minute changes are applied. Everything went well except for unit tests. The next try to run project or test they will be downloaded again and should work as expected. Sharing my problem/solution in case it helps anybody. stuck with this Error: Creator of noted. Well, after a lot of research , solution for me is super simple : This problem with Mockito2 occurs if you enable the option to mock final classes. (ClassReader.java:148) at net.bytebuddy.jar.asm.ClassReader. https://docs.gradle.org/current/userguide/dependency_management.html#sub:dynamic_versions_and_changing_modules Regression tests themselves are definitely feasible but it depends a little what you want - the easiest option for the Android-uninitiated is to get hold of Android Studio (a version of IntelliJ) which can self-manage the SDK and a lot of the underlying components, but obviously that's only really suited to manually executed tests. This is what I referred to while trying to set up the modules for main and test separately. I'm getting following exception once tests is started: I'm using NetBeans 8.2. You signed in with another tab or window. Connect and share knowledge within a single location that is structured and easy to search. IllegalStateException when using Mockito with IntelliJ's Java Ask Question Asked 5 years, 4 months ago Modified 5 years, 4 months ago Viewed 2k times 0 The error message I receive: java.lang.IllegalStateException: Could not initialize plugin: interface org.mockito.plugins.MockMaker The code in question: List<String> mockList = mock (List.class); to your account. My version is here, and JDK is 1.8.0_121. Sign in error NG8002: Can't bind to 'routerLink' since it isn't a known property of 'a'. By clicking Sign up for GitHub, you agree to our terms of service and Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Here's the simple dictionary class that we'll use: java.lang.IllegalStateException: Could not initialize plugin: interface org.mockito.plugins.MockMaker Caused by: org.mockito.exceptions.base.MockitoInitializationException: Well occasionally send you account related emails. How "wide" are absorption and emission lines? It is typically problem with project setup OR For some reason, when I run the build target again, this exception doesn't show up. Unfortunatelly common Java ClassLoader faces in the same way when class or jar missing as well as the jar is corrupted. The Overflow #186: Do large language models know what theyre talking about? Explaining Ohm's Law and Conductivity's constance at particle level. Already on GitHub? I solved this problem by removing jmockit in POM XML for Maven. Navigated to the maven repo for mockito (used v2.26): On the same page at the bottom, I looked up the dependencies. Temporary policy: Generative AI (e.g., ChatGPT) is banned, how to set jdk.attach.allowAttachSelf=true globally, Mockito shipped within Spring Boot fails to attach to JVM (OpenJDK 11), I am getting a java.lang.IllegalStateException while running my tests in intellij, error initializing mockito, everytime and for any test cases, java.lang.IllegalStateException: Could not initialize plugin: MockMaker, Could not initialize plugin: interface org.mockito.plugins.MockMaker, Mockito 2 for Android Instrumentation test : Could not initialize plugin: interface org.mockito.plugins.MockMaker. I'll have a think about this. Here's the stack trace. Find centralized, trusted content and collaborate around the technologies you use most. If the jar is already included with some other version, override the version with this correct version. What is Catholic Church position regarding alcohol? Byte Buddy started to create an intermediate dispatcher in a separate class loader to avoid reflective calls to stem from its own context, otherwise method handle lookups might leak, for instance. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The text was updated successfully, but these errors were encountered: mockito/src/main/java/org/mockito/internal/configuration/plugins/Plugins.java. Right into Your Inbox. Well occasionally send you account related emails. Adding the two ByteBuddy dependencies below. and for convenient referencing, you can include a bnd variable in your cnf/build.bnd. Works for me in a simple Java project, so it might be a problem in your environment. Seems like you might have forgotten to annotate your test class with @RunWith(MockitoJUnitRunner::class). Upgrading to a newer version of Mockito helped me solve this problem. Thanks for the post adding mockito the test project pom.xml fixed it An exercise in Data Oriented Design & Multi Threading in C++. This is not an issue related to Mockito. Are you sure you want to hide this comment? (This mock maker is not supported on Android.). solved the issue for me: In my case I include jar files in the project, which can be found at: Unflagging scottshipp will restore default visibility to their posts. All the solutions above have been tried, or not. You switched accounts on another tab or window. So I needed to create JUnit test manually. Could not initialize plugin: interface org.mockito.plugins.MockMaker, github.com/powermock/powermock/wiki/Mockito-2-Maven, https://mvnrepository.com/artifact/org.mockito/mockito-core/2.26.0, https://mvnrepository.com/artifact/net.bytebuddy/byte-buddy/1.9.10, https://mvnrepository.com/artifact/net.bytebuddy/byte-buddy-agent/1.9.10, https://mvnrepository.com/artifact/org.objenesis/objenesis/2.6, https://bintray.com/raphw/maven/ByteBuddy/, How terrifying is giving a conference talk? Not the answer you're looking for? Already on GitHub? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. This second line was a game-changer, android Test implementation and test implementation are not the same test set (android test implementation is a test set for physical devices or emulators) Denys Fisher, of Spirograph fame, using a computer late 1976, early 1977. I had this problem when I was using mockitokotlin2. You're probably having issues with manually adding dependencies to your project. Super helpful. Your question looks more like a comment to me (as you point out something in regard to Zafers answer). Well occasionally send you account related emails. This is how I solved: Do you have a solution without powermock? Thanks, Using Also discussed here. However, if extracting the version to a variable as in the example above, you can avoid warnings even using +. but I didn't check) used stuff from the sun.misc.unsafe package. I have the same problem with Android Studio. I had Byte Buddy on classpath (is transitive dep of Mockito 2.8.9) and still got the exception. US Port of Entry would be LAX and destination is Boston. you may have dependency for one and writing code, but if you run the different test (local in the android studio without emulator) it will fail (unless..:). Switching to JDK worked for me. I added the dependencies for the mockito-core but not for mockito-android, because I am not running the tests in Android device. The text was updated successfully, but these errors were encountered: Some more outfall in the Android ecosystem @raphw . I also have the same problem. Thanks for this, it saved me countless hours down a rabbit hole. Make sure mockito is updated, that you're using jdk and you don't have the missing references. The text was updated successfully, but these errors were encountered: Try adding the following snippet to the dependencies section in your build.gradle. I do not have android studio available, so unfortunately I cannot. Be aware that you cannot use the inline mock maker on Android due to limitations in the Android VM. Error looks like this: java.lang.IllegalStateException: Could not initialize plugin: interface org.mockito.plugins.MockMaker (alternate: null) at org.mockito.internal.configuration.plugins. thanks, i was trying to fix it for 2 hours. I think this must be because of a parent pom, in my case. If you fancy a chat about it, I can find time for a Zoom call or whatever else in UK business hours. This dependency combination worked for me: Adding on to Paskas' answer, you also have to include the dependencies in the cnf maven repository, if you're using one (like my cnf/central.mvn). Templates let you quickly answer FAQs or store snippets for re-use. https://docs.gradle.org/current/userguide/dependency_management.html#component_metadata_rules. Have a question about this project? To see all available qualifiers, see our documentation. How would life, that thrives on the magic of trees, survive in an area with limited trees? to your account. junit-jupiter mockito-all mockito-android mockito-core mockito-errorprone mockito-inline mockito-junit-jupiter mockito-scala-cats_2.11 mockito-scala-cats_2.12 mockito-scala-cats_2.13 mockito-scala-cats_2.13.-RC1 mockito-scala-cats_2.13.-RC2 mockito-scala-cats_2.13.-RC3 mockito-scala-scalatest_2.11 mockito-scala-scalatest_2.12 mockito-scala . rev2023.7.14.43533. Can something be logically necessary now but not in the future? For mockito, We will not face this issue locally, but if we use sonar for test coverage calculations, the error is as follows, In PowerMock 2.0.9 version, a workaround for this problem is provided they have added an annotation, Apart from that, we need to add delegate the Runner to SpringRunner using. So this is what worked for me. For android development you need to import a couple of things: could not find any reference of this but this is the only one that has worked for me. Why can you not divide both sides of the equation, when working with exponential functions? to your account, Broken version: 3.11.2? Given the wide usage of Mockito in the Android ecosystem, I think adding this as a dependency is a justifiable move. code of conduct because it is harassing, offensive or spammy. Reason for me was that I ran the Unit tests with JRE instead of JDK. ***> wrote: You signed in with another tab or window. Take a look at the following code snippet. We read every piece of feedback, and take your input very seriously. What does "rooting for my alt" mean in Stranger Things? In Android Studio how do you check if you are using JRE instead of JDK, and how would you change it? @ben thanks for making this amazing platform where an article I wrote three years ago is still helping people today! java.lang.IllegalStateException: Mockito.any () must not be null to fix it I use the Mockito version of testImplementation 'com.nhaarman.mockitokotlin2:mockito-kotlin:2..-RC3' this. So why does adding the explicit Mockito version work? StackOverflow post referencing something similar. It worked for me After I removed bytebuddy folder from ${home}.m2\repository\net\bytebuddy and removed byte-buddy-agent,byte-buddy and objenesis dependency from pom.xml. In that case it is just enough manually delete the Byte Buddy from local maven directory, usually located at: You need to have a file under app/src/main/resources/mockito-extensions called org.mockito.plugins.MockMaker with just this line inside mock-maker-inline. The text was updated successfully, but these errors were encountered: Make sure you can run java with the correct permissions for your current user. Our context is Android and a com.android.test instrumented test module. To learn more, see our tips on writing great answers.

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