Github user ajs6f commented on a diff in the pull request:
https://github.com/apache/jena/pull/151#discussion_r82505751
--- Diff:
jena-arq/src/main/java/org/apache/jena/sparql/engine/http/QueryEngineHTTP.java
---
@@ -135,8 +135,7 @@ private QueryEngineHTTP(String serviceURI, Query query,
String queryString, Http
this.query = query;
this.queryString = queryString;
this.service = serviceURI;
- // Copy the global context to freeze it.
- this.context = new Context(ARQ.getContext());
+ this.context = ARQ.getContext();
--- End diff --
Okay, so the principal is that an instance `QueryEngineHTTP` should not
change its behavior between construction and execution, even if the global
context changes around it? Cool. I will change my PR to leave the tests alone
and leave the context "frozen".
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