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https://issues.apache.org/jira/browse/KAFKA-10457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17794854#comment-17794854
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Waleed Fateem commented on KAFKA-10457:
---------------------------------------
[~sagarrao] we ran into this issue recently. In our scenario, the data is
coming from IoT devices in JSON format without any schema. There's no control
over the data. I believe the user ended up having to use the string converter
instead.
> JsonConverter.toConnectData trims BigInteger to Long for schema-less case
> -------------------------------------------------------------------------
>
> Key: KAFKA-10457
> URL: https://issues.apache.org/jira/browse/KAFKA-10457
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
> Reporter: Oleksandr Diachenko
> Assignee: Oleksandr Diachenko
> Priority: Critical
>
>
> When _JsonConverter_ is configured with _schemas.enable=false_ and value,
> exceeding _Double_ is passed, the result is incorrect since the converter
> trims it to _Double:_
> {code:java}
> Map<String, Boolean> props = Collections.singletonMap("schemas.enable",
> false);
> converter.configure(props, true);
> BigInteger value = BigInteger.valueOf(Long.MAX_VALUE).add(new
> BigInteger("1"));
> String msg = value.toString();
> SchemaAndValue schemaAndValue = converter.toConnectData(TOPIC,
> msg.getBytes());
> assertNull(schemaAndValue.schema());
> assertEquals(value, schemaAndValue.value());
> {code}
>
> Fails with:
>
> {code:java}
> expected:<9223372036854775808> but was:<-9223372036854775808>
> Expected :9223372036854775808
> Actual :-9223372036854775808
> {code}
>
>
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