Kafka MongoDB sink Connector exception handling - apache-kafka

Question

I have created a connector from Kafka to MongoDB to sink the data. In some cases, there is a case in which I got the wrong data on my topic. So that topic sink with the DB at that time it will give me a duplicate key issue due to the index which I created.
But in this case, I want to move that data in dlq. But it is not moving the record.
this is my connector can anyone please help me with this.
{
"name": "test_1",
"config": {
"connector.class": "com.mongodb.kafka.connect.MongoSinkConnector",
"topics": "test",
"connection.uri": "xxx",
"database": "test",
"collection": "test_record",
"key.converter": "org.apache.kafka.connect.storage.StringConverter",
"key.converter.schemas.enable": "false",
"value.converter": "io.confluent.connect.avro.AvroConverter",
"value.converter.schemas.enable": "true",
"value.converter.schema.registry.url": "http://xxx:8081",
"document.id.strategy.overwrite.existing": "true",
"document.id.strategy": "com.mongodb.kafka.connect.sink.processor.id.strategy.ProvidedInKeyStrategy",
"transforms": "hk",
"transforms.hk.type": "org.apache.kafka.connect.transforms.HoistField$Key",
"transforms.hk.field": "_id",
"writemodel.strategy": "com.mongodb.kafka.connect.sink.writemodel.strategy.UpdateOneTimestampsStrategy",
"write.method": "upsert",
"errors.tolerance":"all",
"errors.deadletterqueue.topic.name":"dlq_sink",
"errors.deadletterqueue.context.headers.enable":true,
"errors.retry.delay.max.ms": 60000,
"errors.retry.timeout": 300000
}
}
Thanks,