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https://issues.apache.org/jira/browse/JENA-1376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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james michael dupont updated JENA-1376:
---------------------------------------
Summary: FUSEKI recursive stack overflow crash on * query in optional where
clause (was: FUSEKI recursive stack overflow crash on * query in optional
clause)
> FUSEKI recursive stack overflow crash on * query in optional where clause
> -------------------------------------------------------------------------
>
> Key: JENA-1376
> URL: https://issues.apache.org/jira/browse/JENA-1376
> Project: Apache Jena
> Issue Type: Bug
> Reporter: james michael dupont
>
> changing
> ?b_args2 gcc:chain ?b_args3.
> to
> ?b_args2 gcc:chain* ?b_args3.
> causes a 500 error
> {noformat}
> prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
> PREFIX gcc:
> <https://h4ck3rm1k3.github.io/gogccintro/gcc/ontology/2017/05/20/gcc_compiler.owl#>
> PREFIX owl: <http://www.w3.org/2002/07/owl#>
> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
> select distinct
> ?b
> ?b_name_string
> ?b_args ?b_args_type ?b_args_name_string ?b_args2_name_string
> ?b_args3_name_string
> where {
>
> optional {
> ?b_args2 gcc:chain* ?b_args3.
> ?b_args3_name gcc:strg ?b_args3_name_string.
> ?b_args3 gcc:name ?b_args3_name.
> ?b_args3 rdf:type gcc:parm_decl.
> }
>
> optional {
> ?b_args gcc:chain ?b_args2.
> ?b_args2_name gcc:strg ?b_args2_name_string.
> ?b_args2 gcc:name ?b_args2_name.
> ?b_args2 rdf:type gcc:parm_decl.
> }
>
> ?b_args_name gcc:strg ?b_args_name_string.
> ?b_args gcc:name ?b_args_name.
> ?b_args rdf:type gcc:parm_decl.
>
> ?b rdf:type gcc:function_decl.
> ?b gcc:scpe ?a.
> ?b gcc:name ?b_name.
> ?b gcc:args ?b_args.
> ?b_name gcc:strg ?b_name_string.
> ?a rdf:type gcc:translation_unit_decl.
>
> }
> limit 10
> {noformat}
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