Spring boot redirect loop - spring

Question

This project can be run in two ways to start: first,use the run debug Main.java: debug start, and then redirect loop;Second, debug by spring boot run commandrun (use the spring-boot-maven-plugin startup),but no redirection loop. The environment is those:spring-boot-starter-parent ：1.2.3.RELEASE. How the whole?
/*--------- FreeMarker Configuration -------**/
#Bean
public FreeMarkerConfigurer freeMarkerConfigurer() {
FreeMarkerConfigurer fmc = new FreeMarkerConfigurer();
fmc.setPreferFileSystemAccess(false);
fmc.setTemplateLoaderPath("/WEB-INF/templates");
Map<String, Object> variables = new HashMap<String, Object>();
variables.put("base", contextPath);
fmc.setFreemarkerVariables(variables);
Properties settings = new Properties();
settings.put("defaultEncoding","UTF-8");
fmc.setFreemarkerSettings(settings);
return fmc;
}
#Bean
public FreeMarkerViewResolver freeMarkerViewResolver() {
FreeMarkerViewResolver fvr = new FreeMarkerViewResolver();
fvr.setCache(false);
fvr.setPrefix("");
fvr.setSuffix(".ftl");
fvr.setContentType("text/html;charset=UTF-8");
return fvr;
}
/*--------- Shiro Configuration -------**/
private static Map<String, String> filterChainDefinitionMap = new LinkedHashMap<String, String>();
#Bean(name = "ShiroRealmImpl")
public ShiroDatabaseRealm getShiroRealm() {
return new ShiroDatabaseRealm();
}
#Bean(name = "securityManager")
public DefaultWebSecurityManager getDefaultWebSecurityManager() {
DefaultWebSecurityManager dwsm = new DefaultWebSecurityManager();
dwsm.setRealm(getShiroRealm());
dwsm.setCacheManager(getEhCacheManager());
return dwsm;
}
#Bean(name = "shiroEhcacheManager")
public EhCacheManager getEhCacheManager() {
EhCacheManager em = new EhCacheManager();
em.setCacheManagerConfigFile("classpath:ehcache-shiro.xml");
return em;
}
#Bean(name = "lifecycleBeanPostProcessor")
public LifecycleBeanPostProcessor getLifecycleBeanPostProcessor() {
return new LifecycleBeanPostProcessor();
}
/**
*
* #return
*/
#Bean
public AuthorizationAttributeSourceAdvisor getAuthorizationAttributeSourceAdvisor() {
AuthorizationAttributeSourceAdvisor aasa = new AuthorizationAttributeSourceAdvisor();
aasa.setSecurityManager(getDefaultWebSecurityManager());
return new AuthorizationAttributeSourceAdvisor();
}
#Bean(name = "shiroFilter")
public ShiroFilterFactoryBean shiroFilter() {
ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
shiroFilterFactoryBean.setSecurityManager(getDefaultWebSecurityManager());
shiroFilterFactoryBean.setLoginUrl("/initlogin");
shiroFilterFactoryBean.setUnauthorizedUrl("/login.jhtml");
shiroFilterFactoryBean.setSuccessUrl("/admin/common/main");
filterChainDefinitionMap.put("/admin/**", "authc");
filterChainDefinitionMap.put("/api/**", "anon");
shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);
return shiroFilterFactoryBean;
}
/*--------- Mapping Handler -------**/
#RequestMapping(value={"/"})
private String home(){
return "redirect:/admin/common/main";
}
#RequestMapping(value={"/admin/common/main"}, method={RequestMethod.GET,RequestMethod.POST})
private String main(){
return "/admin/common/main";//main.ftl
}
#RequestMapping("/initlogin")
public String login(ModelMap model,HttpServletRequest request) {
boolean isAuth = SecurityUtils.getSubject().isAuthenticated();
if(isAuth){
return "redirect:/admin/common/main.jhtml";
}
return "login";
}
#RequestMapping(value={"/login"}, method={RequestMethod.GET,RequestMethod.POST})
public String login(String username,String password,ModelMap model){
boolean isAuth = SecurityUtils.getSubject().isAuthenticated();
if(!isAuth){//
String errorMsg = null;
try{
if(StringUtils.isEmpty(username) || StringUtils.isEmpty(password)){
errorMsg = "admin.login.incorrectCredentials";
model.addAttribute("msg", ApplicationSupport.getMessageByEnv(errorMsg));
}else{
UsernamePasswordToken token = new UsernamePasswordToken(username,DigestUtils.md5Hex(password));
if (token!=null)
SecurityUtils.getSubject().login(token);
}
}catch(Exception e){
return "login";
}
return "login";// I want to go redirect to login.ftl
}
//redirect to main.ftl
return "redirect:/admin/common/main.jhtml";
}