artifact jar
                }
            }
        }
        """)

        when:
        run "generateMetadataFileForJavaPublication"

        then:
        skipped(':generateMetadataFileForJavaPublication')
        outputContains "Maven publication 'java' isn't attached to a component. Gradle metadata only supports publications with software components (e.g. from component.java)"

                    artifact jar
                }
            }
        }
        """)

        when:
        run "generateMetadataFileForJavaPublication"

        then:
        skipped(':generateMetadataFileForJavaPublication')
        outputContains "Ivy publication 'java' isn't attached to a component. Gradle metadata only supports publications with software components (e.g. from component.java)"