"Source folder is not a Java project" error in eclipse

Question

I am trying to import maven project into eclipse 4.2 version.Its not importing the project properly. Its giving me error "Source folder is not a Java project" while I am trying to create a new call in it. Even ctrl+mouse click is also not working. I don't understand the problem. Even when I right click on project and select build path it shows me no action available. Anyone face the same issue

Answer 1

In the maven project directory try

mvn eclipse:eclipse

that may do the trick.

Answer 2

I ran into the same issue and fixed it by converting my project to faceted form.

Right click your project > Properties > Project Facets > Convert to Faceted Form, and select Java.

Answer 3

I had the same problem... But you just need to update "source Folder" to correct source "src/main/java" from whatever mentioned in the pop up:

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Answer 4

Either turn your project into Eclipse project, using mvn eclipse:eclipse, or install Maven Integration for Eclipse plugins, like m2eclipse, and import project as a Maven project.

Answer 5

for those who already see java selected, uncheck and check it again. select apply to override the existing setttings. finally it works !

Right click your project > Properties > Project Facets > Convert to Faceted Form, and select Java

Answer 6

I got the same error in a slightly different context (Indigo with m2eclipse):

I imported a multi-module (1 jar module and 1 war module) maven project into Eclipse. Everything worked fine (clean, install OK) until I tried to add a new class to one of the modules and got the "Source Folder is not a Java project" error.

I solved this by opening the properties on the parent project and selecting the following Project Facets:
Java
Dynamic Web Module

This solved the problem. My guess is that, because the parent project for a multi-module project has pom packaging (<packaging>pom</packaging>), Eclipse doesn't know what kind of projects the parent project encloses (i.e. if the packaging were jar, it would know that it's a java project; if the packaging were war, it would know that it's a static or dynamic web module, etc.)

This is just my guess, but the fix worked for me, and it makes sense.

Answer 7

Right click your project > Maven > Update Project

This step will add your project so the issue resolves easily.

Answer 8

mvn eclipse:eclipse will resolve this problem. convert to maven project.

Answer 9

I had this error because I tried to create a new Project by doing "Ctrl+N", typing "Project" on the Wizard's input label and then just pushing "Enter" until it was created. I solved this by typing "Java Project" instead of just "Project". You can also create a JAVA PROJECT by going to File > New > Java Project.

Answer 10

open cmd and run the following command in the folder of your project-

mvn eclipse:eclipse

This did the trick for me