Hi there,
i just had the same error when trying to output a GeometryCollection in
JSON-outputformat with GeoServer 2.2.5.
I could find and fix the problem in the GeoServer-sourcecode. Maybe you want
to fix it in the main trunk too.
Here is the solution:
It was a just a small problem in writing the JSON-Object.
File: GeoJSONBuilder.java
Function: writeGeomCollection (line 109)
In the code when writing a GeometryCollection, first the array was created
and then the key "Geometries" was written. You have to switch the two lines,
and the JSON-Output for GeometryCollection will work fine.
private JSONBuilder writeGeomCollection(GeometryCollection collection) {
//IMPORTANT geometries-key must be written before creating array
this.key("geometries");
this.array();
for (int i = 0, n = collection.getNumGeometries(); i < n; i++) {
writeGeom(collection.getGeometryN(i));
}
return this.endArray();
}
I hope that I could help you.
Best regards
Paul
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