[GitHub] [jena] Aklakan commented on pull request #1483: Improved http content type issue exception message

[GitBox <gi...@apache.org>]

Aklakan commented on PR #1483:
URL: https://github.com/apache/jena/pull/1483#issuecomment-1228818871

   I just squashed the commits and added the HTTP headers to the message.
   This is an example where a forced an unsupported content type error. It still looks ugly, so wrapping the details up in a subclass of QueryException would still be good - but at least there is now a lot of useful information included:
   I guess the query string is not strictly needed, because this is the one thing the application knows.
   
   ```
   Exception in thread "main" org.apache.jena.query.QueryException: Endpoint returned Content-Type: application/sparql-results+json which is not recognized for SELECT queries. Status code 200 OK, Method GET, Headers: {Accept=[application/sparql-results+json, application/sparql-results+xml;q=0.9, text/tab-separated-values;q=0.7, text/csv;q=0.5,application/json;q=0.2,application/xml;q=0.2,*/*;q=0.1]}, Remaining body: 
   { "head": { "link": [], "vars": ["s", "p", "o"] },
     "results": { "distinct": false, "ordered": true, "bindings": [
       { "s": { "type": "uri", "value": "http://www.openlinksw.com/virtrdf-data-formats#default-iid" }	, "p": { "type": "uri", "value": "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" }	, "o": { "type": "uri", "value": "http://www.openlinksw.com/schemas/virtrdf#QuadMapFormat" }},
       { "s": { "type": "uri", "value": "http://www.openlinksw.com/virtrdf-data-formats#default-iid-nullable" }	, "p": { "type": "uri", "value": "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" }	, "o": { "type": "uri", "value": "http://www.openlinksw.com/schemas/virtrdf#QuadMapFormat" }},
       { "s": { "type": "uri", "value": "http://www.openlinksw.com/virtrdf-data-formats#default-iid-blank" }	, "p": { "type": "uri", "value": "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" }	, "o": { "type": "uri", "value": "http://www.openlinksw.com/schemas/virtrdf#QuadMapFormat" }},
       { "s": { "type": "uri", "value": "http://www.ope...
   	at org.apache.jena.sparql.exec.http.QueryExecHTTP.raiseException(QueryExecHTTP.java:472)
   	at org.apache.jena.sparql.exec.http.QueryExecHTTP.execRowSet(QueryExecHTTP.java:204)
   	at org.apache.jena.sparql.exec.http.QueryExecHTTP.select(QueryExecHTTP.java:161)
   	at org.apache.jena.sparql.exec.QueryExecutionAdapter.execSelect(QueryExecutionAdapter.java:117)
   	at org.apache.jena.sparql.exec.http.QueryExecHTTP.main(QueryExecHTTP.java:647)
   
   ```


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