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https://issues.apache.org/jira/browse/NIFI-4240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pierre Villard resolved NIFI-4240.
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Resolution: Feedback Received
Apache NiFi 1.x is no longer maintained and no new release is planned on the
1.x release line. Marking as resolved as part of a cleanup operation. Please
open a new one with an updated description if this is still relevant for NiFi
2.x.
> Setting value.deserializer and key.deserializer in consume kafka 0.10
> ---------------------------------------------------------------------
>
> Key: NIFI-4240
> URL: https://issues.apache.org/jira/browse/NIFI-4240
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 1.3.0
> Reporter: Michał Terbert
> Priority: Major
>
> We can not set in Kafka Consumer Processor (ConsumeKafka_0_10)
> key.deserilzer or value.deserilizer:
> {quote}Key/value De-Serializer must be ByteArrayDeserializer.class{quote}
> After prepare our custom class based on ByteArrayDeserializer we can not
> still use them.
> Workaround:
> Modify KafkaProcessorUtils.java:
> Comment below lines:
> {code:java}
> final String keyDeSerializer = validationContext.getProperty(new
> PropertyDescriptor.Builder().name(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG).build()).getValue();
> if (keyDeSerializer != null &&
> !ByteArrayDeserializer.class.getName().equals(keyDeSerializer)) {
> results.add(new
> ValidationResult.Builder().subject(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG)
> .explanation("Key De-Serializer must be '" +
> ByteArrayDeserializer.class.getName() + "' was '" + keyDeSerializer +
> "'").build());
> }
> final String valueDeSerializer = validationContext.getProperty(new
> PropertyDescriptor.Builder().name(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG).build()).getValue();
> if (valueDeSerializer != null &&
> !ByteArrayDeserializer.class.getName().equals(valueDeSerializer)) {
> results.add(new
> ValidationResult.Builder().subject(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG)
> .explanation("Value De-Serializer must be " +
> ByteArrayDeserializer.class.getName() + "' was '" + valueDeSerializer +
> "'").build());
> }{code}
> The same situatuion is in ConsumeKafkaRecord_0_10.
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