[jira] [Commented] (JENA-479) Serialization of update requests isn't legal syntax

["Andy Seaborne (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JENA-479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13694009#comment-13694009 ] 

Andy Seaborne commented on JENA-479:
------------------------------------

Changes in blank node label handling have reintroduced this bug.  Jena 2.10.1 works, 2.10.2 development does not.
                
> Serialization of update requests isn't legal syntax
> ---------------------------------------------------
>
>                 Key: JENA-479
>                 URL: https://issues.apache.org/jira/browse/JENA-479
>             Project: Apache Jena
>          Issue Type: Bug
>          Components: ARQ
>            Reporter: Elli Schwarz
>            Assignee: Andy Seaborne
>
> Running the following code:
> String updateString = "INSERT {} WHERE { ?x ?p [ ?a  ?b ] }";
> UpdateRequest update = UpdateFactory.create(updateString);
> UpdateProcessor up = UpdateExecutionFactory.createRemote(update,
>       "http://localhost:3131/ds/update");
> up.execute();
> Causes the Fuseki server to throw this error: 400 Encountered " "?" "? "" 
> This is caused by the client generating incorrect SPARQL with an extra ? (as viewed from the Fuseki log):  INSERT { } WHERE   { ?x ?p ??0 . ??0 ?a ?b   }
> This bug may be similar to JENA-378. 

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