-have java app with following groovy class:

package test

class Book {

    def title
    String author

    public Book(title) {
        this.title = title
    }
    
    boolean order(int qty, Resseller) {
        true
    }
    
    def title() {
        "book title"
    }
}

-build project
-have following script:

import test.Book
def book = new Book()
println ("groovy ${book?.title()}")

Issue 1) - editor does not know about test.Book groovy class - there's an error annotation

-run script from the IDE

Issue 2) :
/space/java/groovy-1.5.6/bin/groovy /home/lukas/NetBeansProjects/JavaApplication2/src/NewGroovyScript.groovy
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed,
/home/lukas/NetBeansProjects/JavaApplication2/src/NewGroovyScript.groovy: 7: unable to resolve class test.Book
 @ line 7, column 1.
   import test.Book
   ^

1 error


It works on the command line:
lukas@ubuntu-m9:~/NetBeansProjects/JavaApplication2/src$ groovy NewGroovyScript.groovy 
groovy book title