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Observation

HiveMQ fails to start an extension with an error similar to the following.

The Enterprise Security Extension could not initialize XML parser.
javax.xml.bind.JAXBException: Error while searching for service [javax.xml.bind.JAXBContextFactory]

Explanation

Due to changes library updates in the HiveMQ dependencies in HiveMQ, introduced in HiveMQ 4.3.3 certain HiveMQ Extensions fail to load an XML parser.

The library updates in HiveMQ version 4.3.3 were made due to known vulnerabilities in the affected libraries.

Affected Extension

Extension

Fix Version

HiveMQ Enterprise Extension for Kafka

1.5.2

HiveMQ Enterprise Security Extension

1.2.1

HiveMQ File RBAC Extension

4.0.1

HiveMQ Heartbeat Extension

1.0.2

Solution

Update affected extensions to the latest version.

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