Missing mandatory unique key field error in SolrJ

Question

I\'ve this issue in my project. I read my .xlsx excel file using Apache Poi and I want to index them in my Solr core. I use SolrInputDocument to index reading file. Here is my j

Answer 1

You probably have in your schema a field set as the unique key like this:

id

The problem is that when you upload a doc, in this case via Apache POI, you are not sending a value for that unique field.

You have a couple options:

1. If you do have a field that will be unique, use it. For example, with a copyField option like:

2. As you have the actual document, you could just add a UUID to the "id" field.

3. Create a unique field like a UUID updating your RequestHandlder, like this:

    
      id
    
    ...

...    

    
        uuid
    

You also need to update the extract handler:

 

  ...
  uuid