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https://issues.apache.org/jira/browse/STANBOL-1451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15496664#comment-15496664
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Rafa Haro commented on STANBOL-1451:
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Hi Alessandro,
It seems that Clerezza is not longer supporting RDF+JSON serialization within
their last release which is already integrated at current SNAPSHOT version of
Stanbol. Recently Rupert provides a patch for fixing this with the
implementation of a new Serialization provider. So this should be fixed now
> Entityhub no longer serializing RDF/JSON
> ----------------------------------------
>
> Key: STANBOL-1451
> URL: https://issues.apache.org/jira/browse/STANBOL-1451
> Project: Stanbol
> Issue Type: Bug
> Components: Entityhub, Web
> Environment: Java version: 1.8.0_77, vendor: Oracle Corporation
> Default locale: en_US, platform encoding: UTF-8
> OS name: "mac os x", version: "10.11.6", arch: "x86_64", family: "mac"
> Reporter: Alessandro Adamou
> Labels: format, json, serializers
>
> It appears the Entityhub can no longer access a Clerezza serializer for
> RDF/JSON.
> This issue can be reproduced by launching a plain stable or full launcher and
> POSTing the default query to the ldpath service, or by going to
> {stanbol-host}/entityhub/sites/ldpath and executing the pre-filled query
> after selecting the RDF/JSON format.
> POST {stanbol-host}/entityhub/sites/ldpath
> Accept: text/plain, */*, application/rdf+json
> Content-Type: application/x-www-form-urlencoded
> body:
> context=http%3A%2F%2Fdbpedia.org%2Fresource%2FParis&ldpath=%40prefix+dct+%3A+%3Chttp%3A%2F%2Fpurl.org
> %2Fdc%2Fterms%2F%3E+%3B%0A%40prefix+geo+%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F2003%2F01%2Fgeo%2Fwgs84_pos
> %23%3E+%3B%0Aname+%3D+rdfs%3Alabel%5B%40en%5D+%3A%3A+xsd%3Astring%3B%0Alabels+%3D+rdfs%3Alabel+%3A%3A
> +xsd%3Astring%3B%0Acomment+%3D+rdfs%3Acomment%5B%40en%5D+%3A%3A+xsd%3Astring%3B%0Acategories+%3D+dc%3Asubject
> +%3A%3A+xsd%3AanyURI%3B%0Ahomepage+%3D+foaf%3Ahomepage+%3A%3A+xsd%3AanyURI%3B%0Alocation+%3D+fn%3Aconcat
> (%22%5B%22%2Cgeo%3Alat%2C%22%2C%22%2Cgeo%3Along%2C%22%5D%22)+%3A%3A+xsd%3Astring%3B&format=application
> %2Frdf%2Bjson
> This has resulted in a HTTP 500 error and the following exception being
> logged:
> javax.servlet.ServletException:
> org.apache.clerezza.rdf.core.serializedform.UnsupportedSerializationFormatException:
> No serializer available for application/rdf+json; charset=utf-8
> at
> org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:392)
> at
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:381)
> at
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:344)
> at
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:219)
> at
> org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletHandler.java:336)
> at
> org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:297)
> at
> org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:93)
> at
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:50)
> at
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:31)
> at
> com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:208)
> at
> com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:271)
> at
> org.apache.stanbol.commons.cors.StanbolCorsFilter.doFilter(StanbolCorsFilter.java:68)
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:108)
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:80)
> at
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:46)
> at
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:31)
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:84)
> at
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:46)
> at
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:31)
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