Memory leak when attempting to create a mapreduce context with syntactically invalid JavaScript functions

If a context is created with a syntactically invalid JavaScript function, not all previously allocated memory is released, due to the fact the context was never returned to Erlang.

This happens exclusively at design document validation when the design document is validated.

The following bash command exposes the leak:

for i in `seq 1 10000`; do
curl -s -H 'Content-Type: application/json' \
-X PUT 'http://localhost:9500/default/_design/badspatial2' \
-d '{ "spatial": { "view1": "function(doc, meta { emit(

{type: 'Point', coordinates: doc.loc}

, meta.id); }" } }'
done