request-scoped注解是一个在Java企业应用程序中用来管理对象生命周期的重要注解。它表示一个对象的生命周期与HTTP请求的生命周期相对应。这意味着当一个HTTP请求到达服务器时,一个新的request-scoped对象会被创建并与该请求相关联,并且在该请求处理结束后被销毁。这样可以确保每个请求都有自己独立的对象实例,不会发生对象...
during any message delivery to a MessageListener for a JMS topic or queue obtained from the Java EE component environment. The request context is destroyed: at the end of the servlet request, after the service() method, all doFilter() methods, and all requestDestroyed() and onComplete() ...
@Retention(value=RUNTIME) @Target(value=TYPE) @Inherited public @interface RequestScopedWhen this annotation, along with ManagedBean is found on a class, the runtime must act as if a <managed-bean-scope>request<managed-bean-scope> element was declared for the corresponding managed bean....
CDI @RequestScoped能防止并发问题吗? CDI(Contexts and Dependency Injection)是Java EE的一种规范,用于管理和注入依赖关系。@RequestScoped是CDI中的一个作用域注解,用于指定一个Bean的生命周期与HTTP请求的生命周期相同。 @RequestScoped注解的Bean在每个HTTP请求中都会创建一个新的实例,并在请求结束后销毁。这意味着...
java.lang.RuntimeException: io.quarkus.builder.BuildException: Build failure: Build failed due to errors [error]: Build step io.quarkus.arc.deployment.ArcProcessor#generateResources threw an exception: javax.enterprise.inject.spi.DeploymentException: It is not possible to add a synthetic constructor wi...
在工作中我们有可能会遇到： 这里开个就做个简单的demo: 直接上代码： <!DOCTYPE html> 点击di...
consider defining a scoped proxy for this bean if you intend to refer to it from a singleton; nested exception is java.lang.IllegalStateException: No thread-bound request found: Are you referring to request attributes outside of an actual web request, or processing a request outside of the ...
Common causes of this problem include using a final class or a non-visible class; nested exception is java.lang.IllegalArgumentException: Cannot subclass final class ...SomeServiceGrpcKt$SomeServiceCoroutineStub Caused by: java.lang.IllegalArgumentException: Cannot subclass final class ...SomeService...
(ContextBeanInstance.java:71) [weld-core-1.1.28.Final-redhat-1.jar:1.1.28.Final-redhat-1] at org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:79) [weld-core-1.1.28.Final-redhat-1.jar:1.1.28.Final-redhat-1] at org.jboss.example.managedbeans.HelloManagedBean$...
SRVE0014E: Uncaught service() exception root cause FacesServlet: javax.servlet.ServletException: WebBeans context with scope type annotation @RequestScoped does not exist within current thread at javax.faces.webapp.FacesServlet.service(FacesServlet.java:221) at com.ibm.ws.webcontainer.servlet.Servlet...