Ismael Juma created KAFKA-3426:
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Summary: Improve protocol type errors when invalid sizes are
received
Key: KAFKA-3426
URL: https://issues.apache.org/jira/browse/KAFKA-3426
Project: Kafka
Issue Type: Improvement
Reporter: Ismael Juma
Assignee: Ismael Juma
We currently don't perform much validation on the size value read by the
protocol types. This means that we end up throwing exceptions like
`BufferUnderflowException`, `NegativeArraySizeException`, etc. `Schema.read`
catches these exceptions and adds some useful information like:
{code}
throw new SchemaException("Error reading field '" + fields[i].name +
"': " +
(e.getMessage() == null ?
e.getClass().getName() : e.getMessage()));
{code}
We could do even better by throwing a `SchemaException` with a more user
friendly message.
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