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

["Guozhang Wang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-4709?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guozhang Wang resolved KAFKA-4709.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 0.10.3.0

Issue resolved by pull request 2521
[https://github.com/apache/kafka/pull/2521]

> 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
>             Fix For: 0.10.3.0
>
>
> 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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