MongoCollection.insertOne throws NullPointerException with WriteConcern.UNACKNOWLEDGED & retryWrites=true

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    • Type: Bug
    • Resolution: Fixed
    • Priority: Major - P3
    • 3.8.1
    • Affects Version/s: 3.8.0
    • Component/s: Write Operations
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      The following code throws a NullPointerException at com.mongodb.internal.connection.ProtocolHelper.getErrorCode(ProtocolHelper.java:183). It appears retryWrites needs to be disabled in order to use WriteConcern.UNACKNOWLEDGED for insert/update operations.

      MongoClient mongoClient = MongoClients.create("mongodb://username:password@localhost:27017/?retryWrites=true");
MongoDatabase db = mongoClient.getDatabase("foo");
db.getCollection("bar").withWriteConcern(WriteConcern.UNACKNOWLEDGED).insertOne(new Document("_id", new ObjectId()));

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              Assignee:
              Ross Lawley
              Reporter:
              Stephen Machnowski
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                Created:
                Updated:
                Resolved: