[jira] [Created] (KAFKA-4709) Error message from Struct.validate() should include the name of the offending field.

[Jeremy Custenborder (JIRA)]

Jeremy Custenborder created KAFKA-4709:
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             Summary: Error message from Struct.validate() should include the 
name of the offending field.
                 Key: KAFKA-4709
                 URL: https://issues.apache.org/jira/browse/KAFKA-4709
             Project: Kafka
          Issue Type: Improvement
          Components: KafkaConnect
            Reporter: Jeremy Custenborder
            Assignee: Jeremy Custenborder
            Priority: Minor


Take a look at this repro.

{code}
  @Test
  public void structValidate() {
    Schema schema = SchemaBuilder.struct()
        .field("one", Schema.STRING_SCHEMA)
        .field("two", Schema.STRING_SCHEMA)
        .field("three", Schema.STRING_SCHEMA)
        .build();

    Struct struct = new Struct(schema);
    struct.validate();
  }
{code}

Any one of the fields could be causing the issue. The following exception is 
thrown. This makes troubleshooting missing fields in connectors much more 
difficult.

{code}
org.apache.kafka.connect.errors.DataException: Invalid value: null used for 
required field
{code}

The error message should include the field or fields in the error message.




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