Outbox Quarkus Extension throws NPE in quarkus:dev mode

2020-04-13 18:52:06,657 INFO  [org.jbo.threads] (main) JBoss Threads version 3.0.1.Final
2020-04-13 18:52:06,794 INFO  [io.qua.sma.dep.processor] (build-10) Metric is disabled - vetoing the MetricDecorator
2020-04-13 18:52:06,884 INFO  [io.deb.out.qua.dep.OutboxProcessor] (build-2) Found ExportedEvent type: shop.customer.event.UserCreatedEvent
2020-04-13 18:52:06,884 INFO  [io.deb.out.qua.dep.OutboxProcessor] (build-2) Binding Aggregate Id as 'java.lang.String'.
2020-04-13 18:52:06,884 INFO  [io.deb.out.qua.dep.OutboxProcessor] (build-2) Binding Payload as 'com.fasterxml.jackson.databind.JsonNode'.
2020-04-13 18:52:07,097 INFO  [org.hib.Version] (build-26) HHH000412: Hibernate ORM core version 5.4.14.Final
2020-04-13 18:52:08,158 INFO  [org.hib.Version] (main) HHH000412: Hibernate ORM core version 5.4.14.Final
2020-04-13 18:52:08,177 INFO  [org.hib.ann.com.Version] (main) HCANN000001: Hibernate Commons Annotations {5.1.0.Final}
2020-04-13 18:52:08,229 INFO  [org.hib.dia.Dialect] (main) HHH000400: Using dialect: org.hibernate.dialect.MySQL57Dialect
2020-04-13 18:52:08,431 ERROR [io.qua.dev.DevModeMain] (main) Failed to start Quarkus: java.lang.ExceptionInInitializerError
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:348)
    at io.quarkus.runner.bootstrap.StartupActionImpl.run(StartupActionImpl.java:83)
    at io.quarkus.dev.IsolatedDevModeMain.firstStart(IsolatedDevModeMain.java:60)
    at io.quarkus.dev.IsolatedDevModeMain.accept(IsolatedDevModeMain.java:236)
    at io.quarkus.dev.IsolatedDevModeMain.accept(IsolatedDevModeMain.java:39)
    at io.quarkus.bootstrap.app.CuratedApplication.runInCl(CuratedApplication.java:131)
    at io.quarkus.bootstrap.app.CuratedApplication.runInAugmentClassLoader(CuratedApplication.java:84)
    at io.quarkus.dev.DevModeMain.start(DevModeMain.java:113)
    at io.quarkus.dev.DevModeMain.main(DevModeMain.java:54)
Caused by: java.lang.RuntimeException: Failed to start quarkus
    at io.quarkus.runner.ApplicationImpl.<clinit>(ApplicationImpl.zig:482)
    ... 10 more
Caused by: java.lang.RuntimeException: Failed to submit OutboxEvent.hbm.xml mapping to Hibernate ORM
    at io.debezium.outbox.quarkus.internal.AdditionalJaxbMappingProducerImpl.produceAdditionalMappings(AdditionalJaxbMappingProducerImpl.java:70)
    at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:296)
    at io.quarkus.hibernate.orm.runtime.boot.FastBootMetadataBuilder.build(FastBootMetadataBuilder.java:321)
    at io.quarkus.hibernate.orm.runtime.PersistenceUnitsHolder.createMetadata(PersistenceUnitsHolder.java:114)
    at io.quarkus.hibernate.orm.runtime.PersistenceUnitsHolder.constructMetadataAdvance(PersistenceUnitsHolder.java:86)
    at io.quarkus.hibernate.orm.runtime.PersistenceUnitsHolder.initializeJpa(PersistenceUnitsHolder.java:49)
    at io.quarkus.hibernate.orm.runtime.HibernateOrmRecorder$4.created(HibernateOrmRecorder.java:77)
    at io.quarkus.arc.runtime.ArcRecorder.initBeanContainer(ArcRecorder.java:106)
    at io.quarkus.deployment.steps.ArcProcessor$generateResources30.deploy_0(ArcProcessor$generateResources30.zig:455)
    at io.quarkus.deployment.steps.ArcProcessor$generateResources30.deploy(ArcProcessor$generateResources30.zig:36)
    at io.quarkus.runner.ApplicationImpl.<clinit>(ApplicationImpl.zig:436)
    ... 10 more
Caused by: java.lang.NullPointerException
    at java.io.Reader.<init>(Reader.java:78)
    at java.io.InputStreamReader.<init>(InputStreamReader.java:72)
    at io.debezium.outbox.quarkus.internal.AdditionalJaxbMappingProducerImpl.produceAdditionalMappings(AdditionalJaxbMappingProducerImpl.java:52)
    ... 20 more

2020-04-13 18:52:08,431 INFO  [io.qua.dev.DevModeMain] (main) Attempting to start hot replacement endpoint to recover from previous Quarkus startup failure