9638ca20b0
When using auto-generated IDs + the ingest drop processor (which looks to be used by filebeat as well) + coordinating nodes that do not have the ingest processor functionality, this can lead to a NullPointerException. The issue is that markCurrentItemAsDropped() is creating an UpdateResponse with no id when the request contains auto-generated IDs. The response serialization is lenient for our REST/XContent format (i.e. we will send "id" : null) but the internal transport format (used for communication between nodes) assumes for this field to be non-null, which means that it can't be serialized between nodes. Bulk requests with ingest functionality are processed on the coordinating node if the node has the ingest capability, and only otherwise sent to a different node. This means that, in order to reproduce this, one needs two nodes, with the coordinating node not having the ingest functionality. Closes #46678 |
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