PageRenderLinkSource failing in service when called by cron scheduler - Unable to delegate method invocation to property

[George Christman]

I'm using T5 beta-25 and I have the following code and I'm noticing
when the scheduler fires off my service, my PageRenderLinkSource does
not work. If I manually fire it off through the admin with an
actionlink, it works without issue.

AppModule.class

@Startup
    public static void initApplication(SchedulerService scheduler) {
        scheduler.init();
    }

SchedulerService.class

executor.addJob(new CronSchedule("0 09 4 * * ?"),
                "Cleanup Listings", () -> {
                    try {
                        System.out.println("sitemap");
                        sitemap.buildSitemap();
                    } catch (JAXBException | IOException ex) {

Logger.getLogger(SchedulerServiceImpl.class.getName()).log(Level.SEVERE,
null, ex);
                    }
        });


SitemapService.class

   private final PageRenderLinkSource linkSource;

    public SitemapImpl(PageRenderLinkSource linkSource) {
        this.linkSource = linkSource;
    }

private void setSitemapXML(Class<?> clazz, UrlSet urlset, Object[] object) {
        SitemapXML siteMapXML = new SitemapXML();
        System.out.println("link");

        Link link = linkSource.createPageRenderLinkWithContext(clazz, object);
        System.out.println(link.toAbsoluteURI());

        link.setSecurity(LinkSecurity.SECURE);
        siteMapXML.setChangefreq(ChangeFreq.ALWAYS.toString());
        siteMapXML.setLoc(link.toAbsoluteURI());
        siteMapXML.setPriority(0.5);
        urlset.getSitemaps().add(siteMapXML);
    }

I'm seeing the following exception
java.lang.NullPointerException: Unable to delegate method invocation
to property 'request' of <Proxy for
RequestGlobals(org.apache.tapestry5.services.RequestGlobals)>, because
the property is null.

Any idea why this isn't working?

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