I have got two Maven projects. One of them has to be dependent on the other. I use IntelliJ and I have tried to right click on project1 > Open Module Settings, and in the dependencies tab I clicked on the + symbol to add a directory or jar dependency. So far so good, when I try to import packages from the dependency it autocompletes it for me, however the compilation throws errors, saying that there are no such packages. What am I doing wrong ?
There is no notion of project in Maven.
You have a Maven project B. You chose its groupId (com.mycompany, for example), its artifactId (B, for example), and its version (1.0-SNAPSHOT, for example). You run mvn install on this project. This generates a B-1.0-SNAPSHOT.jar file and stores it in your local Maven repository, with its pom.
Now you want to use B-1.0-SNAPSHOT.jar in another Maven project A. For A, B is a library, just like any other library you use (log4J, Spring, Hibernate, Guava, whatever). So you add a dependency to it in the pom of A, just like you do for any other library:
<dependencies>
<dependency>
<groupId>com.mycompany</groupId>
<artifactId>B</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
<!-- other dependencies: log4J, Spring, Hibernate, Guava, whatever -->
</dependencies>
Read the awful documentation for more details.
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