title: Postgres sink connector placing messages in DLQ
body: <p>I am trying to explore postgres source and sink connectors on kafka. Created 2 tables in Postgres with same fields ( name varchar, created_at timestamp).</p>
  <p>When the insert event happens on the table1, the source connector produce the message on the topic. The sink connector configured to consume the data from the topic and create the record into table2.</p>
  <p>The event consuming is not happing on the sink connector and the messages are going to the DLQ queue.</p>
  <pre><code>Connector Class: PostgresSink 
  Topics: development-source_test 
  Max Tasks: 1 
  
  input.data.format: JSON_SR 
  connection.host: ****.ap-south-1.rds.amazonaws.com 
  connection.port: 5432 
  connection.user: devteam 
  db.name: dev-db 
  ssl.mode: prefer 
  insert.mode: INSERT 
  table.name.format: sink_test 
  db.timezone: UTC 
  auto.create: false 
  auto.evolve: false 
  tasks.max: 1
  </code></pre>