afs commented on issue #1259:
URL: https://github.com/apache/jena/issues/1259#issuecomment-1100607544
Hi @LorenzBuehmann ,
I vaguely (it was a very long time ago!) recall this coming up before. A
difference now is that the only site this affects is likely to be wikidata (and
then, only for now).
Here is a MVCE:
```java
public static void main(String...args) {
// U00E7
String qs = "SELECT ?x { BIND('Curaçao' As ?x) }";
String qsx = "SELECT ?x { BIND('Cura\\u00E7ao' As ?x) }";
RowSet rowSet = QueryExecHTTP
.service("https://query.wikidata.org/sparql";)
//.sendMode(QuerySendMode.asPostForm)
//.sendMode(QuerySendMode.asPost)
.sendMode(QuerySendMode.asGetAlways)
.queryString(qs)
.select();
RowSetOps.out(rowSet);
}
```
After checking, the corruption is on the request receiving and `qsx` works
in all three cases.
The three different sendModes give three different results.
* `asGetAlways` works
* `asPost` is corrupted in a way that looks like UTF-8 read as ISO-8859-?
* `asPostForm` is a different corruption, not sure what and that might be
Jena.
I don't know why ISO-8859 is being used if their servers are Linux (system
default). It hints it is a choice in the Blazegraph code.
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