java.lang.ClassNotFoundException error when project has java source files

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I created a basic luminus app using

lein new luminus myapp

and added

:java-source-paths ["src/java"] in project.clj file

and added a simple java file
src/java/com/example/Hello.java

```
package com.example;

public class Hello
{

public static String getFoo()
{
return "foo";
}

}

```

In src/clj/myapp/routes/home.clj, I'm referencing this function getFoo()

When I run
lein javac

It gives me an error

java.lang.ClassNotFoundException: com.example.Hello

Reproduce the setup from project.clj using :java-source-paths ["src/java"], src/java/com/example/Hello.java, and the reference from src/clj/myapp/routes/home.clj. Start by running lein javac and inspect how the Java source path and compiled class are handled. Done means the example compiles and com.example.Hello.getFoo() can be resolved without ClassNotFoundException.

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