[Geoserver-devel] [JIRA] (GEOS-9584) Attempting to follow docs for importing CSVs leads to Proxy cannot be cast to org.geoserver.catalog.impl.LayerInfoImpl exception

GeoServer GeoServer Developer
1

Mike Glazer created an issue

GeoServer / BugGEOS-9584

Attempting to follow docs for importing CSVs leads to Proxy cannot be cast to org.geoserver.catalog.impl.LayerInfoImpl exception

Issue Type:

BugBug

Affects Versions:

2.17.0

Assignee:

Unassigned

Created:

24/Apr/20 11:55 PM

Priority:

MediumMedium

Reporter:

Mike Glazer

Exception:

Caused by:
java.lang.ClassCastException: com.sun.proxy.$Proxy113 cannot be cast to org.geoserver.catalog.impl.LayerInfoImpl
        at org.geoserver.importer.rest.ImportTaskController.updateLayer(ImportTaskController.java:500)
        at org.geoserver.importer.rest.ImportTaskController.lambda$layerPut$5(ImportTaskController.java:254)
        at org.geoserver.importer.rest.converters.ImportWrapperMessageConverter.writeJSON(ImportWrapperMessageConverter.java:84)
        at org.geoserver.importer.rest.converters.ImportWrapperMessageConverter.writeInternal(ImportWrapperMessageConverter.java:66)
        at org.geoserver.importer.rest.converters.ImportWrapperMessageConverter.writeInternal(ImportWrapperMessageConverter.java:26)
        at org.springframework.http.converter.AbstractHttpMessageConverter.write(AbstractHttpMessageConverter.java:227)
        at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:294)
        at org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.handleReturnValue(RequestResponseBodyMethodProcessor.java:181)
        at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:82)
        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:123)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:893)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:798)
        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)

The script I used (by following the docs):

curl -u admin:geoserver -XPOST -H "Content-type: application/json" -d @test-spatial-import.json "https://$HOSTNAME/geoserver/rest/imports"

curl -u admin:geoserver -F name=test -F filedata=@test-spatial.csv "https://$HOSTNAME/geoserver/rest/imports/0/tasks"

curl -u admin:geoserver -XPUT -H "Content-type: application/json" -d @layerUpdate.json -vvv "https://$HOSTNAME/geoserver/rest/imports/0/tasks/0/layer/"

curl -u admin:geoserver -XPOST -H "Content-type: application/json" -d @toPoint.json -vvv "https://$HOSTNAME/geoserver/rest/imports/0/tasks/0/transforms"

curl -u admin:geoserver -XPOST -vvv "https://$HOSTNAME/geoserver/rest/imports/0"

It should be noted I also had to drop an opencsv-5.1.jar file into my WEB-INF/lib folder after extracting the imports-plugin.

The code in question does seem to indicate this could be a bug:

        // @hack workaround OWSUtils bug - trying to copy null collections
        // why these are null in the first place is a different question
        LayerInfoImpl impl = (LayerInfoImpl) orig.getLayer();
        if (impl.getAuthorityURLs() == null) {
            impl.setAuthorityURLs(new ArrayList(1));
        }
        if (impl.getIdentifiers() == null) {
            impl.setIdentifiers(new ArrayList(1));
        }
        // @endhack

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