我能够通过静态调用与AngularJS应用程序与后端进行通信。 JAX-RS调用例如从后端登录或获取数据。这是因为我在应用程序中确实有一个CORSResponseFilter
:
@Provider
public class CORSResponseFilter implements ContainerResponseFilter {
@Override
public void filter( ContainerRequestContext requestCtx, ContainerResponseContext responseCtx ) throws IOException {
responseCtx.getHeaders().add( "Access-Control-Allow-Origin", "*" );
responseCtx.getHeaders().add( "Access-Control-Allow-Credentials", "true" );
responseCtx.getHeaders().add( "Access-Control-Allow-Methods", "GET, POST, DELETE, PUT" );
responseCtx.getHeaders().add( "Access-Control-Allow-Headers", "Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With");
}
}
我的问题是JAX-RS调用出现问题时。如果存在内部服务器错误或引发了BadRequest
异常,则前端将以以下方式响应:
在请求的资源上没有'Access-Control-Allow-Origin'标头。因此,不允许原点“ http://localhost:9000” 访问。响应的HTTP状态码为500。
但是在GlassFish日志中却得到:
警告:StandardWrapperValve [ServletAdaptor]:Servlet的Servlet.service()ServletAdaptor抛出异常 org.project.dashboard.exceptions.BadRequestException:(400):无效的日期格式应为yyyy-MM-dd
您可以从GlassFish日志中看到,该异常已映射到正确的错误和响应代码,但不会渗透到前端。我只收到“没有'Access-Control-Allow-Origin'标头”错误。响应码为200时,我没有收到此错误。
UPDATE
ResponseFilter
用于不引发任何异常但未触及ResponseFilter
的情况。
这是我的异常映射器的代码,可能会引起问题:
@Provider
public class DashboardExceptionMapper implements ExceptionMapper<DashboardException> {
@Override
public Response toResponse(DashboardException e) {
ErrorMessage error = new ErrorMessage();
error.setStatus(e.getHttpStatusCode());
error.setCode(e.getClass().getSimpleName());
error.setMessage(e.getShortMessage());
return Response.status(e.getHttpStatusCode()).entity(error)
.build();
}
}
UPDATE 2
抛出异常的代码:
public class BadRequestException extends DashboardException{
private static final long serialVersionUID = 1L;
public BadRequestException(String message) {
super(HttpURLConnection.HTTP_BAD_REQUEST, message);
}
}
UPDATE 3
请求的例外之一的完整堆栈跟踪:
Warning: StandardWrapperValve[ServletAdaptor]: Servlet.service() for servlet ServletAdaptor threw exception
org..dashboard.exceptions.AuthenticationException: (403) : An invalid sessionID has been provided
at org..dashboard.exposed.DashboardREST.getRoutes(DashboardREST.java:330)
at sun.reflect.GeneratedMethodAccessor191.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.glassfish.ejb.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1081)
at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1153)
at com.sun.ejb.containers.BaseContainer.invokeBeanMethod(BaseContainer.java:4695)
at com.sun.ejb.EjbInvocation.invokeBeanMethod(EjbInvocation.java:630)
at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)
at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:582)
at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:46)
at sun.reflect.GeneratedMethodAccessor170.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:883)
at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)
at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:582)
at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.doCall(SystemInterceptorProxy.java:163)
at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.aroundInvoke(SystemInterceptorProxy.java:140)
at sun.reflect.GeneratedMethodAccessor172.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:883)
at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)
at com.sun.ejb.containers.interceptors.InterceptorManager.intercept(InterceptorManager.java:369)
at com.sun.ejb.containers.BaseContainer.__intercept(BaseContainer.java:4667)
at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:4655)
at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:212)
at com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate.invoke(EJBLocalObjectInvocationHandlerDelegate.java:88)
at com.sun.proxy.$Proxy414.getRoutes(Unknown Source)
at org.dashboard.exposed.__EJB31_Generated__DashboardREST__Intf____Bean__.getRoutes(Unknown Source)
at sun.reflect.GeneratedMethodAccessor191.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:125)
at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:195)
at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:91)
at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:346)
at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:341)
at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:101)
at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:224)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
at org.glassfish.jersey.internal.Errors.process(Errors.java:267)
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:198)
at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:946)
at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:323)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:372)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:335)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:218)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:357)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:260)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:188)
at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
at java.lang.Thread.run(Thread.java:745)
您的过滤器不起作用,因为您的自定义ExceptionMapper
不起作用。用@Provider
注释对其进行注释还不够,您还应该将其驻留在提供程序包配置中的软件包包括在内,或者手动注册此自定义异常映射器。
例如:
<servlet>
<servlet-name>jersey-serlvet</servlet-name>
<servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
<init-param>
<param-name>jersey.config.server.provider.packages</param-name>
<param-value>org.dashboard.exposed,org.dashboard.exceptions</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
请注意,<init-param>
名称的确切值取决于您使用的版本。
通常ContainerResponseFilter
将始终执行,请参见Server filters:
大多数情况下,执行资源方法后,将针对每个响应执行过滤器。即使未运行资源方法,也将执行响应过滤器,例如,当未找到资源方法并且Jersey运行时返回404“未找到”响应代码时。在这种情况下,将执行过滤器并处理404响应。
另请参见:Filter and interceptor execution order和JAX_RS_SPEC-230。
但是提供者必须为public
,请参阅JERSEY-2094,JERSEY-2096和JERSEY-2097。
在某些情况下,@PreMatching
禁用ContainerResponseFilter
,请参阅ContainerResponseFilter not working。
此外,您必须知道,如果响应已经是committed,则无法添加标题。