Estoy tratando de hacer una solicitud getFeature POST a un WFS publicado con GeoServer con OpenLayers así:
getWFSFeatureFromCoord(map: Map, coord: Coordinate): void {
const baseUrl = environment.geoserverBaseUrl;
let layerParams: any;
map.getLayers().forEach(lyr => {
if (lyr instanceof ImageLayer) {
const layerSource = lyr.getSource() as ImageWMS;
layerParams = layerSource.getParams();
}
});
const featureRequest = new WFS().writeGetFeature({
featureNS: 'http://umberto.it/test',
featurePrefix: 'fake',
featureTypes: [layerParams.LAYERS],
outputFormat: 'application/json',
filter: this.intersectFilter(coord)
});
const response = this.http.post<FeatureCollection>(baseUrl, new XMLSerializer()
.serializeToString(featureRequest))
.pipe(catchError(this.handleError));
this.geoJSONAtCoord$ = response;
}
En mi entorno local, todo funciona correctamente. Sin embargo, en mi entorno de producción, recibo esta respuesta del GeoServer:
<?xml version="1.0" encoding="UTF-8"?><ows:ExceptionReport xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:ows="http://www.opengis.net/ows" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.0.0" xsi:schemaLocation="http://www.opengis.net/ows https://<domain_i_cant_say_but_exists>/geoserver/schemas/ows/1.0.0/owsExceptionReport.xsd">
<ows:Exception exceptionCode="NoApplicableCode">
<ows:ExceptionText>Error occurred getting features</ows:ExceptionText>
</ows:Exception>
</ows:ExceptionReport>
Las URLs locales y de produciton son (perdón por falsear los dominios, pero no puedo decirlo y aseguro que existe y funciona bien):
- local:
http://localhost:8080/geoserver/fake/ows
- producción:
https://<domain_i_cant_say_but_exists>/geoserver/fake/ows
La gran diferencia en los dos entornos es que en producción estoy detrás de un proxy (HAPROXY). Está redirigiendo todas las peticiones a https://<domain_i_cant_say_but_exists>/geoserver/mobility/ows
en https://<another_domain_i_cant_say_but_exists>/geoserver/mobility/ows
.
No tengo problemas en (por ejemplo) recibir todas las peticiones getMap con este proxy activo, sólo las peticiones WFS getFeature me están dando problemas hasta ahora.
Los URI de los espacios de nombres en local y prod, junto con los nombres de las capas, son exactamente los mismos.
La versión de GeoServer es 2.17.2 en el entorno local y 2.17.1 en producción. WFS está activado en ambos entornos.
La regla HAPROXY es ésta (de nuevo, está funcionando bien para todas las peticiones getMap, y el hecho de que estoy recibiendo una respuesta de GeoServer al hacer peticiones getFeature me hace pensar que está bien también para peticiones POST WFS getFeature, con un estado siendo 200 OK y la respuesta la Excepción anterior):
acl geoserver_in_uri path_beg /geoserver/fake/
use_backend geoserver if geoserver_in_uri
backend geoserver
http-request set-path https://<domain_i_cant_say_but_exists>/geoserver/fake/ows
server webM <another_domain_i_cant_say_but_exists>:8080/
Aquí está la parte relevante del registro de GeoServer que señala el problema al hacer tales peticiones:
2020-09-09 10:13:14,055 INFO [geoserver.wfs] -
Request: getServiceInfo
2020-09-09 10:13:14,064 ERROR [geoserver.ows] -
org.geoserver.wfs.WFSException: Error occurred getting features
at org.geoserver.wfs.GetFeature.run(GetFeature.java:826)
at org.geoserver.wfs.DefaultWebFeatureService.getFeature(DefaultWebFeatureService.java:105)
at jdk.internal.reflect.GeneratedMethodAccessor723.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
at org.geoserver.ows.util.RequestObjectLogger.invoke(RequestObjectLogger.java:50)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212)
at com.sun.proxy.$Proxy105.getFeature(Unknown Source)
at jdk.internal.reflect.GeneratedMethodAccessor722.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.geoserver.ows.Dispatcher.execute(Dispatcher.java:877)
at org.geoserver.ows.Dispatcher.handleRequestInternal(Dispatcher.java:265)
at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:177)
at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:52)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:873)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1623)
at org.geoserver.filters.ThreadLocalsCleanupFilter.doFilter(ThreadLocalsCleanupFilter.java:26)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
at org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:69)
at org.geoserver.wms.animate.AnimatorFilter.doFilter(AnimatorFilter.java:70)
at org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:66)
at org.geoserver.filters.SpringDelegatingFilter.doFilter(SpringDelegatingFilter.java:41)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
at org.geoserver.platform.AdvancedDispatchFilter.doFilter(AdvancedDispatchFilter.java:37)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320)
at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)
at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)
at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.geoserver.security.filter.GeoServerAnonymousAuthenticationFilter.doFilter(GeoServerAnonymousAuthenticationFilter.java:51)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:158)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
at org.geoserver.security.filter.GeoServerBasicAuthenticationFilter.doFilter(GeoServerBasicAuthenticationFilter.java:81)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
at org.geoserver.security.filter.GeoServerSecurityContextPersistenceFilter$1.doFilter(GeoServerSecurityContextPersistenceFilter.java:52)
at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
at org.geoserver.security.GeoServerSecurityFilterChainProxy.doFilter(GeoServerSecurityFilterChainProxy.java:142)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:358)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:271)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:101)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
at org.geoserver.filters.XFrameOptionsFilter.doFilter(XFrameOptionsFilter.java:77)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:47)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
at org.geoserver.filters.SessionDebugFilter.doFilter(SessionDebugFilter.java:46)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
at org.geoserver.filters.FlushSafeFilter.doFilter(FlushSafeFilter.java:42)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1700)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1667)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:152)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
at org.eclipse.jetty.server.Server.handle(Server.java:505)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:698)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:804)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: org.geotools.data.DataSourceException
at org.vfny.geoserver.global.GeoServerFeatureSource.getFeatures(GeoServerFeatureSource.java:432)
at org.vfny.geoserver.global.GeoServerFeatureSource.getFeatures(GeoServerFeatureSource.java:71)
at org.geoserver.security.decorators.SecuredFeatureSource.getFeatures(SecuredFeatureSource.java:76)
at org.geoserver.security.decorators.SecuredSimpleFeatureSource.getFeatures(SecuredSimpleFeatureSource.java:43)
at org.geoserver.security.decorators.SecuredSimpleFeatureSource.getFeatures(SecuredSimpleFeatureSource.java:23)
at org.geoserver.wfs.GetFeature.getFeatures(GetFeature.java:1195)
at org.geoserver.wfs.GetFeature.run(GetFeature.java:655)
... 113 more
Caused by: java.lang.NullPointerException