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https://issues.apache.org/jira/browse/CAMEL-26153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen reassigned CAMEL-26153:
-----------------------------------
Assignee: Claus Ibsen
> camel-hivemq - the producer publishes a Map, POJO or number body as an empty
> payload, so the data is lost silently
> ------------------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-26153
> URL: https://issues.apache.org/jira/browse/CAMEL-26153
> Project: Camel
> Issue Type: Bug
> Reporter: Claus Ibsen
> Assignee: Claus Ibsen
> Priority: Major
> Fix For: 4.24.0
>
>
> Found while adding the catalog body types of rocketmq, hivemq, iggy and
> kafka-share (CAMEL-24961, PR #28394).
> h4. 1. A body that does not convert to byte[] is published as an empty payload
> {{HiveMQProducer.process}} (main 2a465aa4814c, line 69) reads the body with
> the non-mandatory {{getBody(byte[].class)}} and replaces null with {{new
> byte[0]}} (line 71). A {{Map}}, a POJO or an {{Integer}} body has no
> converter to {{byte[]}}, so it is published as an empty message without any
> error or log, and the data is lost. camel-paho fails the exchange for the
> same bodies. Checked on 4.24.0-SNAPSHOT with hivemq-ce 2026.5 in Docker (MQTT
> 5 and 3.1.1).
> Proposed: use {{getMandatoryBody(byte[].class)}} when the body is not null,
> and keep the empty payload only for a null body.
> _Claude Code on behalf of davsclaus_
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