Lack of artifacts(org.apache.cxf.cxf-spring-boot-starter-jaxws.3.4.8.redhat-00034) in maven.repository.redhat.com repository.
https://maven.repository.redhat.com/ga/org/apache/cxf/cxf-spring-boot-starter-jaxws/
cxf-bom defines the dependency for it.
https://maven.repository.redhat.com/ga/org/apache/cxf/cxf-bom/3.4.8.redhat-00034/cxf-bom-3.4.8.redhat-00034.pom

<dependency>
    <groupId>org.apache.cxf</groupId>
    <artifactId>cxf-spring-boot-starter-jaxws</artifactId>
    <version>3.4.8.redhat-00034</version>
</dependency>