IntelliJ cannot find any declarations

Question

I completely uninstalled IntelliJ and have now reinstalled and imported my project  I imported using gradle and can see all of the files in my project present  However  when I open a file I can t find any declaration to go to by doing cmd   click  I have the Java 7 SDK setup  and I can t even go to the declaration of classes in my own project  Going to a Java core class like String or List doesn t work either  How can I enable the IDE to be able to find my classes   I m on OSX Yosemite  IntelliJ 2016 1 2 build 145 972

User · Answer

Same Problem for Python Project     I tried to make a clean new intellij project and updated everything  Tried different virtualenvs but nothing worked out   UNTIL I uninstalled the Python Plugin   Restart IntelliJ   Intall Python Plugin   Restart IntelliJ again  I m not sure if this is a  real  solution  but it solved my issue   Maybe you can try something familar for Java  Plugin  JDK

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Importing my project  which had 3 different modules in it  - as File - gt  Module From Existing Sources fixed it for me

User · Answer

Had the same problem  But only on my own methods   Just fixed it by invalidating cache   File-  Invalidate Caches Restart

User · Answer

I had this same problem  and  AniaG s solution in the comments worked for me     Right-click src folder Mark Directory as   Sources Root

User · Answer

Your source folders where your Symbols are  Classes  are need to be configured as  Content Root      Open Project Structure     Click Modules You can configure your Content Root  Sources  Tests  Resources etc  for each module that you want to Navigate to    Once done you should be able to navigate to your symbols

User · Answer

I had the same issue with idea and I was trying to open a maven project but the pom files where not identified  So right clicking on the pom file and choosing  add as maven project  did all the magic for me

User · Answer

For what its worth  in Pycharm it is  Right click on the root folder- Mark Directory as-  Sources Root

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If you are new to IntelliJ u May take some time to understand IntelliJ  If a Code has written in Java and using cucumber framework then we have two main files -  Feature file Step definition file  Goal   what are things we have defined in feature file it must be navigate towards Step Definition File    Ctrl  click   Note  feature file has to contain some colourful gherkins keywords too  if it   s not follow the below steps Solution   go to file  gt  gt settings  gt  gt  plugins - search    Cucumber for Java    Add the plugin restart IntelliJ it will work for sure

User · Answer

One of the reason can be that it is not able to detect the pom xml or gradle file  and thats why not able to set it as a maven project or gradle    You can manually set it up as a maven or gradle  project by selecting your pom xml or gradle file

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I found this cannot find declaration to go to problem once in my Maven project  The reason for this was just that one of the sub-projects in my project did not import as maven project correctly

User · Answer

Ensure that the directory which contains your compiled classes and libraries is marked as sources Root

User · Answer

Right-click on your src folder and choose the option  mark directory as  -- Source root  and along with it again right-click on your project and choose  reformat code  under this choose cleanup code too  and that will work fine

User · Answer

For someone whom the above solution didn t worked   For gradle   File -  Project Structure  Click on Project Under Project Settings  Update Project Language level as Modules  private methods in interfaces etc   Click OK and Import Gradle Settings

User · Answer

Somehow I set my Maven modules to be ignored   In the Maven tool window right click and select  Unignore Projects      Then all the directories will be automatically selected

User · Answer

If you see red circle on the icon of Java files  and got warning like  quot cannot find declaration to go to quot   Then you can do something below   Right click root folder of your project module  Mark Directory As - gt  Excluded    It works for me  in Windows 7  Intellij 2016 1 1

User · Answer

In my case I was using a gradle project with subprojects  The reason IntelliJ couldn t find declarations was that the subprojects were not built   After investigating why subprojects were not built  I found out that using  auto-import  was breaking the subprojects   After importing the project from build gradle without auto-import  it worked for me

User · Answer

In my case  none of the above helped  Only upgrade of Intellij from 2017 3 to 2018 2 helped    Do not try 2018 1 as it had a bug wherein the Find files popup would not come up

User · Answer

I was having similar issues in my IntelliJ mvn project  Pom xml was not recognized   What worked for me was right click on the pom xml and then add as a maven project

User · Answer

I too faced this issue  I ve tried the solutions mentioned here  The issue seems not with the source folder    For me the issue occurred when I installed a new version of IntelliJ  was using 2019 version moved to 2020 version   The project got opened in the new version but the declarations were missing   I fixed this by       - File gt Project Structure     - Under Project Settings go to Modules  Here you should see the different project folders  for me it was not there    - Click the   button on top and click Import Module   - Select the root pom xml and wait for the indexing to complete     After the indexing is done all the declarations were working

User · Answer

I faced the same issue and spent almost 15-16 tiring hours to clean  rebuild  invalidate-cache  upgrade Idea from 16 3 to 17 2  all in vain  We have a Maven managed project and the build used to be successful but just couldn t navigate between declaration implementations as Idea couldn t see the files   After endlessly trying to fix this  it finally dawned to me that it s the IDEA settings causing all the headache  This is what I did  Windows system     Exit IDE Recursively delete all  iml files from project directory del  s  q  C  Dev trunk   iml  Find and delete all  idea folders Delete contents of the caches  index  and LocalHistory folders under  lt user home gt   IntelliJIdea2017 2 system Open Idea and import project         VOILAAAAAAAAAAAA       I hope this helps a poor soul in pain

User · Answer

IDEA may ignore some of your maven dependency files  The  External Libraries  node in your project structure might be empty or incomplete   Go to    IntelliJ --   Preferences Search for Maven  on the left tab  -  Ignored Files See if there is any path on the right side that is checked ignored  and uncheck that

User · Answer

Most of the times there has been a problem with building the cache of the IDE  or something related   Most probably  File - gt  Invalidate Caches   Restart  will resolve this problem  just let the IDE finalize it s caching

User · Answer

In my case  I just updated my IntelliJ to Ultimate 2018 2 and all of my projects suddenly cannot find the implementations and the  src  folders - it turned out IntelliJ removed the type of project  e g  Maven    What I did is      Right click on the root project   Add Framework support      Look for Maven  in my case    Wait to re-index again   Then it worked again     UPDATE 2   I have always been encountering this when I update IntelliJ  2019 1 1 Ultimate Edition   Just click the refresh button of Maven Tab and it should re-index your current project as Maven Project

User · Answer

Came across the same issue and in my case  Java project   I had to include all the dependent jars in the project s libraries section       File -  Project Structure -  Libraries   I had to add my project dependent jars in the above section  for example  project web lib    After doing so  all resolved fine  I hope this will help someone

User · Answer

I had similar issue with Goland JetBrain and what worked for me is similar to what  user8382868 said but I only closed the IDE  renamed the folder  idea file to  idea old and after re-opening the project everything worked

[java] IntelliJ cannot find any declarations

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