I also clicked on "Fix" to import JUnit5 library, and I chose "use JUnit5 of IntelliJ" (the other option was to copy JUnit to lib/). well I prefer that convention, I put test inside src. Thought about moving it out but got it working so either way it's all good. Error:(6, 24) Gradle: error: package org. junit.jar is in its module settings as a jar file. I had the same problem. Latest IntelliJ IDEA CE. package com.sun.scenario.effect.light does not exist The fix for that was clear enough: Use an Oracle JDK. After importing a bunch of Eclipse projects as modules, I'm getting multiple strange problems... One is that (though it was working last Friday), after updating today from SVN, one of my modules is saying "package org.junit does not exist" for all of my tests in that module. To reproduce just create new play application (activator new tcc3 play-java) and import it into IntelliJ IDEA. In both cases I received the same errors as before. Build from the command line via Maven, then make sure that the run configuration does not … On one of them, JUnit testing works just fine without any issues. maven - intellij - package org.junit does not exist netbeans ... Maven 3 and JUnit 4 compilation problem: package org.junit does not exist (10) @Dennis Roberts: You were absolutely right: My test class was located in src/main/java. Maven-package org.junit does not exist. Nothing is red in editor or project view - only when I'm trying to do build. I tried to look for solution from the web but did not find a good explanation for this. [play-framework] Can't run newly created app in IntelliJ IDEA: package org.junit does not exist I said OK (it was the only option). I did not have junit as a dependency, so I tried adding it as a module first and then as a library. In case if the problem is not only with org.junit package but with standard java packages like java.util you need to setup java SDK in your IDE. junit.jar is in its module settings as a jar file. On one of them, JUnit testing works just fine without any issues. I'm using classes from a project I have as a dependency, the editor seems to be completely aware of this - it even offered me the appropriate classes when I manually deleted the import statements, and I can see the library in the Project tree under External Libraries, nevertheless, I get a "java: package ... does not exist" upon compilation. Also the value of the "scope" element in the POM for JUnit was "test", although that is how it is supposed to be. Hot Network Questions Who originated the dangerous avocado-pitting technique? It executes successfully, but nothing happens in IntelliJ; it remains completely blank. A dialog said something like "create test on source root". However, if I access the file through the file system on my computer I see that the a correct file structure exists: pom, iml, demo app and all. The purported "missing package" is in a different module of my multi-module project. In order to fix it I had to Open Module Settings for my project and manually add jar Dependencies junit-4.12.jar and hamcrest-core-1.3.jar which are contained in the IntelliJ … I guess that the README at least implies this when it refers to "u91," which I think is an Oracle-JDK-specific term. I have JUnit as an external library and it still isn't recognizing that. I also tried checking export (and unchecking) in the module dependency tab. The problem GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. We are looking to start using TeamCity in our department, and so I've been working with it the past few days to see if it's a fit. intellij - package org.springframework.test.context.junit4 does not exist ... Running ant build gives “package org.junit does not exist” Maven 3 and JUnit 4 compilation problem: package org.junit does not exist ; English . Good morning - I'm a somewhat long time user of intellij idea, and love it. package junit.framework does not exist Follow. Maven 3 and JUnit 4 compilation problem: package org.junit does not exist. I am not using Ant or Maven. The purported "missing package" is in a different module of my multi-module project. The libraries for JUnit and TestNG are shipped with IntelliJ IDEA, but are not included in the classpath of your project or module by default. I get "java: package org.junit does not exist" in my project and it's driving me crazy. How do I fix it? The only thing I can do to get rid of the problem is to blow away all my .IntelliJIdea60 settings (rename the directory - I am on ubuntu feisty fawn).. and starting all over with my settings, config, etc. Nothing is red in editor or project view - only when I'm trying to do build. ... 原因：个人考虑产生此错误的原因是因为Eclipse中对于测试和开发的鉴定不明？Intellij中没有错误，因为Intellij对项目的管理就是同Maven结构的。解决方案：原来 … Still Maven insists on using JUnit version 3.8.1. On a new project I created, it doesn't work at all and gives me about 50 errors all along the lines of java: package org.junit does not exist. junit does not exist Error:(10, 15) Gradle: error: package org. junit does not exist Error:(23, 9) Gradle: error: cannot find symbol method assertTrue(boolean) I am not sure if this problem is mostly related to Gradle. On the second project I haven't had to do any JUnit testing so I don't know whether or not it works on there.