title: Logs when running Confluent dockers
body: <p>I am running Confluent Kafka docker cp-all-in-one.
  I want to insert some topic data to MS SQL server. I create new DB and table. Using Confluent Control Center I added JdbcSinkConnector. </p>
  
  <p>Connector config:</p>
  
  <pre><code>"name": "jdbc2users",
  "connector.class": "io.confluent.connect.jdbc.JdbcSinkConnector",
  "errors.log.enable": "true",
  "errors.log.include.messages": "true",
  "topics": [
      "users"
  ],
  "errors.deadletterqueue.context.headers.enable": "true",
  "connection.url": "jdbc:sqlserver://192.168.1.55:1433;databaseName=ktest;",
  "connection.user": "kuser",
  "connection.password": "*****",
  "insert.mode": "INSERT",
  "auto.create": "true",
  "auto.evolve": "true",
  "max.retries": "10"
  </code></pre>
  
  <p>Connector is starting but in few seconds change status to Degraded. I already tried to change connection URL, but always failing.
  Where I can find this connector log files?
  Thank you in advance!</p>