我正在使用 ExecutorService 将方法的单线程更改为多线程执行。它在里面调用 SecurityContextHolder ,抛出异常:
原因:java.lang.Exception:在安全上下文中找不到身份验证对象。在 com.LoggedInUser.getLoggedInUser(LoggedInUser.java:25) 在 com.Controller.submitRate(RateController.java:242)
我的代码:
method(){
Future<Results> future = executor.submit(new callableClass(form, request));
if (null != future.get()) {
rates = future.get();
}}
}
class callableClass implements Callable<RateResults> {
private Form form;
private HttpServletRequest request;
public RateShippmentCaller(Form form, HttpServletRequest request) {
super();
this.form = form;
this.request = request;
}
@Override
public Results call() throws Exception {
return controller.submit(form, request);
}
}
submit(form, request){
LoggedInUser.getLoggedInUser()
}
class LoggedInUser{
getLoggedInUser(){
SecurityContext **secCtx** = SecurityContextHolder.getContext();
Authentication authentication = secCtx.getAuthentication();
if (authentication == null) {
throw new Exception("Authentication object not found in security context.");
}
}
}
请让我知道如何避免异常。secCtx 返回空值。