// avoid parsing the entire class file and any referenced classes.
            String path = className.replace('.', '/').concat(".class");
            return classLoader.findResource(path) != null;
        }

        @Override
        public void close() throws IOException {
            classLoader.close();
        }
    }

        // running native executables. This archive was created by creating some files
        // in a temporary directory and running the following command:
        // tar --format=v7 -cf v7.tar <contents>
        resources.findResource("v7.tar").copyTo(file("v7.tar"))

        buildFile << """
            task copy(type: Copy) {
                from tarTree('v7.tar')
                into 'dest'
            }
        """

        // See https://bugs.openjdk.java.net/browse/JDK-7062777?focusedCommentId=12254124&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-12254124.
        resources.findResource('broken-utf8.is-a-jar').copyTo(file('broken-utf8.jar'))
        file('src/main/java/Hello.java') << 'public class Hello {}'
        executer.withStackTraceChecksDisabled()

        when: