Richard

I have just tested all documents using Tika command line utility and they all return the correct language: `en`.

Do you look at the unit test? I did a quick search in the repo: https://github.com/richardwilly98/elasticsearch-river-mongodb/search?q=DBRef&type=Code&utf8=%E2%9C%93

Can you please try to delete the river, restart ES and recreate it? Then send the log again.

Hi, `SCRIPT_IMPORT_FAILED` indicates something went wrong when applying script filter you might found more details about the issue in ES log file. The best way to restart indexing would be...

You should delete the index and the river then create it.

@rotastrain Which version of the river are you running? Can you please provide ES log file? There is an additional check in the latest release `2.0.0` to make sure at...

@dblado Do you see any trace in ES log file like `Waiting for bulk queue to empty...`? There is a check in the river to wait if bulk queue is...

Looks like a bug.

Can you please provide ES log file? The river has been tested with over 5,000,000 documents with no issue.

The initial import uses the collection data once completed the river will use oplog.rs So you should wait until the initial import is completed before to restart ES.