Chen ZhenHua

> Can you add connector-v2 e2e-testcase & docs > > reference：#2499 No problem

Jackson conflict has been fixed in latest code.

I suggest support send dirty data to the extra Sink.

I can work for ElasticSearch Source and Sink Connector. it is too dependent now,because including transport client、RestHighLevelClient and RestLowLevelClient in Seatunnel.We can use RestLowLevelClient to support all versions of ElastichSearch.

I suggest support mutile fields,and support combination of fixed string and field names, such as topic = "topic_${fieldName1}_${fieldName2}",reference https://github.com/apache/incubator-seatunnel/blob/dev/seatunnel-connectors-v2/connector-elasticsearch/src/main/java/org/apache/seatunnel/connectors/seatunnel/elasticsearch/serialize/index/IndexSerializerFactory.java

I am willing to submit a PR

It would be better if it could support specified tolerance ratio of the dirty data.

Is it ready to support elastic8.x now? Yes,It do.

> @iture123 Are you dealing with this matter? I had try to fix,but I see It is a feature not bug.Becasue It use a common deserialize schema in `org.apache.seatunnel.format.text.TextDeserializationSchema`.Just as...