Comments (5)
tfr42
commented on August 14, 2024
Running the workspace with latest deegree-ogcapi and executing the request:
curl -i -X GET \
-H "Accept:application/json" \
'http://localhost:8080/deegree-ogcapi/datasets/geojson_wfs/api'
results in
<!doctype html><html lang="de"><head><title>HTTP Status 500 – Internal Server Error</title><style type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 500 – Internal Server Error</h1><hr class="line" /><p><b>Type</b> Exception Report</p><p><b>Message</b> org.glassfish.jersey.server.ContainerException: java.lang.StackOverflowError</p><p><b>Beschreibung</b> The server encountered an unexpected condition that prevented it from fulfilling the request.</p><p><b>Exception</b></p><pre>javax.servlet.ServletException: org.glassfish.jersey.server.ContainerException: java.lang.StackOverflowError
org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:410)
org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:346)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:358)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:311)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:205)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
</pre><p><b>Root Cause</b></p><pre>org.glassfish.jersey.server.ContainerException: java.lang.StackOverflowError
org.glassfish.jersey.servlet.internal.ResponseWriter.rethrow(ResponseWriter.java:255)
org.glassfish.jersey.servlet.internal.ResponseWriter.failure(ResponseWriter.java:237)
org.glassfish.jersey.server.ServerRuntime$Responder.process(ServerRuntime.java:438)
org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:263)
org.glassfish.jersey.internal.Errors$1.call(Errors.java:248)
org.glassfish.jersey.internal.Errors$1.call(Errors.java:244)
org.glassfish.jersey.internal.Errors.process(Errors.java:292)
org.glassfish.jersey.internal.Errors.process(Errors.java:274)
org.glassfish.jersey.internal.Errors.process(Errors.java:244)
org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:265)
org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:234)
org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:684)
org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:394)
org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:346)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:358)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:311)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:205)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
</pre><p><b>Root Cause</b></p><pre>java.lang.StackOverflowError
java.base/java.util.LinkedHashMap.afterNodeInsertion(LinkedHashMap.java:299)
java.base/java.util.HashMap.putVal(HashMap.java:660)
java.base/java.util.HashMap.put(HashMap.java:608)
io.swagger.v3.oas.models.media.Schema.addProperties(Schema.java:537)
org.deegree.services.oaf.openapi.OafOpenApiFilter.addParticle(OafOpenApiFilter.java:404)
org.deegree.services.oaf.openapi.OafOpenApiFilter.addParticle(OafOpenApiFilter.java:376)
org.deegree.services.oaf.openapi.OafOpenApiFilter.addParticle(OafOpenApiFilter.java:388)
org.deegree.services.oaf.openapi.OafOpenApiFilter.addParticle(OafOpenApiFilter.java:371)
org.deegree.services.oaf.openapi.OafOpenApiFilter.addParticle(OafOpenApiFilter.java:420)
org.deegree.services.oaf.openapi.OafOpenApiFilter.addParticle(OafOpenApiFilter.java:376)
org.deegree.services.oaf.openapi.OafOpenApiFilter.addParticle(OafOpenApiFilter.java:388)
org.deegree.services.oaf.openapi.OafOpenApiFilter.addParticle(OafOpenApiFilter.java:371)
org.deegree.services.oaf.openapi.OafOpenApiFilter.addParticle(OafOpenApiFilter.java:420)
...
org.deegree.services.oaf.openapi.OafOpenApiFilter.addParticle(OafOpenApiFilter.java:420)
org.deegree.services.oaf.openapi.OafOpenApiFilter.addParticle(OafOpenApiFilter.java:376)
org.deegree.services.oaf.openapi.OafOpenApiFilter.addParticle(OafOpenApiFilter.java:388)
org.deegree.services.oaf.openapi.OafOpenApiFilter.addParticle(OafOpenApiFilter.java:371)
</pre><p><b>Hinweis</b> Der komplette Stacktrace der Ursache ist in den Server logs zu finden</p><hr class="line" /><h3>Apache Tomcat/9.0.69</h3></body></html>
Root cause is most likely the underlying feature store which has an INSPIRE schema as reference datasources/feature/geojson_wfs.xml.
See https://github.com/deegree/deegree-ogcapi/blob/main/deegree-ogcapi-documentation/src/main/asciidoc/configuration.adoc#using-schema--or-table-driven-featurestore-configurations for more information which feature stores are supported.
You may verify the configuration by adding:
<GMLFormat gmlVersion="GML_32">
<MimeType>application/gml+xml; version=3.2</MimeType>
<MimeType>text/xml; subtype=gml/3.2.1</MimeType>
</GMLFormat>
<GeoJSONFormat>
<MimeType>application/geo+json</MimeType>
</GeoJSONFormat>
to the deegreeWFS service configuration services/geojson_wfs_service.xml and test the deegree WFS 2.0 with GeoJson output (requires deegree 3.5-SNAPSHOT).
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tfr42
commented on August 14, 2024
@Kate-Lyndegaard Did you check the workspace with the deegree WFS and GeoJson encoding? Otherwise I do propose that you open a new issue with a feature request asking for support of data structures derived from GML application schemas such as INSPIRE PLU. But for the time being I am not aware of an technical specification for Json/GeoJson how to deal with complex data structures. If you have a reference for an implementation in mind you are welcome to post it.
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Kate-Lyndegaard
commented on August 14, 2024
@tfr42 Yes, I have tested deegree 3.5 WFS with GeoJson encoding and it appears to be added as a WFS outputFormat by default. I can download GeoJson without adding anything to the service configuration. I also tested adding the code you provided to the configuration, and that works as well.
OUTPUT FILE:
geojson_wfs.zip
Does this mean that the documentation can also be generated?
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Kate-Lyndegaard
commented on August 14, 2024
But for the time being I am not aware of an technical specification for Json/GeoJson how to deal with complex data structures. If you have a reference for an implementation in mind you are welcome to post it.
@tfr42 I created a deegree configuration to test INSPIRE-compliant alternative encoded geojson in deegree ogcapi and that works. I created a simplified INSPIRE Addresses .xml schema based on the GeoJson encoding rules described here. I mapped compliant INSPIRE Addresses (complex .gml) to the simplified schema.
Deegree configuration:
simplifiedAddressesDeegreeConfiguration.zip
Alternative encoding INSPIRE Addresses GeoJson returned by deegree:
AlternativeEncodingINSPIREAddresses.zip
👍
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Kate-Lyndegaard
commented on August 14, 2024
@tfr42 I guess that this problem exists since it is bound to the schema, so I will create a new issue to support complex schemas if the need arises.
from deegree-ogcapi.
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