The project is available on github, and you can find more information in the README and test application provided with this contribution.

Unable to delegate method invocation to property ‘HTTPServletRequest’ of , because the property is null.

how can i fix this error?
some one can send email to hxzon@163.com and help me?

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public class MaterialTester extends PageTester {
private MockServletContext servletContext;

public MaterialTester() {
super(“com.ptswitch.material”, “app”, “WebRoot”);
Registry registry = this.getRegistry();
// Set Tapestry registry in mock servlet context
servletContext.setAttribute(TapestryFilter.REGISTRY_CONTEXT_NAME, registry);
}

@Override
protected ModuleDef[] provideExtraModuleDefs() {
// Set spring configuration files location
servletContext = new MockServletContext();
servletContext.addInitParameter(“contextConfigLocation”, “WebRoot/WEB-INF/applicationContext.xml”);
servletContext.addInitParameter(SpringConstants.USE_EXTERNAL_SPRING_CONTEXT, “true”);
servletContext.setAttribute(“org.springframework.web.context.WebApplicationContext.ROOT”, new org.springframework.context.support.FileSystemXmlApplicationContext(
“WebRoot/WEB-INF/applicationContext.xml”));
return new ModuleDef[] { new SpringModuleDef(servletContext) };
}
}
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public static void main(String args[]) {
PageTester tester = new MaterialTester();
Document doc = tester.renderPage(“user/login”);
System.out.println(doc);
}