Mixed metadata values encoding

[ahvargas]

Description

We have been using MirrorMaker to copy data from EventHub to Kafka for a while. We were using the trick suggested here #56 decoding the headers. However now we have two headers content-encoding and user-id that are not encoded as AMQP.

Has it worked previously?

Yes until 2022-09-01 21:12:06,292 UTC

Checklist

IMPORTANT: We will close issues where the checklist has not been completed or where adequate information has not been provided.

Please provide the relevant information for the following items:

• SDK (include version info): openjdk:11.0-jre
• If using Apache Kafka Java clients or a framework that uses Apache Kafka Java clients, version: kafka_2.12:3.0.0
• Kafka client configuration:

sasl.jaas.config=org.apache.kafka.common.security.plain.PlainLoginModule required username="$ConnectionString" password="${EVENTHUB_CONNECTION_STRING}";
group.id=${EVENTHUB_CLIENT_ID}
client.id=${EVENTHUB_CLIENT_ID}
exclude.internal.topics=true
partition.assignment.strategy=org.apache.kafka.clients.consumer.RoundRobinAssignor
sasl.mechanism=PLAIN
security.protocol=SASL_SSL
auto.offset.reset=earliest