<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:cxf="http://cxf.apache.org/blueprint/core"
       xmlns:jaxrs="http://cxf.apache.org/blueprint/jaxrs"

       xsi:schemaLocation="http://www.osgi.org/xmlns/blueprint/v1.0.0 http://www.osgi.org/xmlns/blueprint/v1.0.0/blueprint.xsd
                           http://cxf.apache.org/blueprint/core http://cxf.apache.org/schemas/blueprint/core.xsd
                           http://cxf.apache.org/jaxrs http://cxf.apache.org/schemas/blueprint/jaxrs.xsd">

    <bean id="tracingFeature" class="org.apache.cxf.tracing.opentelemetry.jaxrs.OpenTelemetryFeature">
        <argument index="0">
            <bean factory-ref="withPropagators" factory-method="build"/>
        </argument>
        <argument index="1" value="tracer" />
    </bean>

    <bean id="openTelemetrySdk" class="io.opentelemetry.sdk.OpenTelemetrySdk" factory-method="builder" />
    <bean id="sdkTracerProvider" class="io.opentelemetry.sdk.trace.SdkTracerProvider" factory-method="builder" />

    <bean id="withSampler" factory-ref="sdkTracerProvider" factory-method="setSampler">
        <argument index="0">
            <bean class="io.opentelemetry.sdk.trace.samplers.Sampler" factory-method="alwaysOn" />
        </argument>
    </bean>

    <bean id="processor" class="io.opentelemetry.sdk.trace.export.BatchSpanProcessor" factory-method="builder">
        <argument index="0">
            <bean class="io.opentelemetry.exporter.logging.LoggingSpanExporter" factory-method="create" />
        </argument>
    </bean>

    <bean id="withSpanProcessor" factory-ref="sdkTracerProvider" factory-method="addSpanProcessor">
        <argument index="0">
            <bean factory-ref="processor" factory-method="build"/>
        </argument>
    </bean>

    <bean id="withTracerProvider" factory-ref="openTelemetrySdk" factory-method="setTracerProvider">
        <argument index="0">
            <bean factory-ref="withSpanProcessor" factory-method="build"/>
        </argument>
    </bean>

    <bean id="withPropagators" factory-ref="withTracerProvider" factory-method="setPropagators">
        <argument index="0">
            <bean class="io.opentelemetry.context.propagation.ContextPropagators" factory-method="create">
                <argument index="0">
                    <bean class="io.opentelemetry.api.trace.propagation.W3CTraceContextPropagator" factory-method="getInstance" /> 
                </argument>
            </bean>
        </argument>
    </bean>

    <cxf:bus>
        <cxf:features>
            <cxf:logging />
        </cxf:features>
    </cxf:bus>

    <jaxrs:server id="catalogServer" address="/">
        <jaxrs:serviceBeans>
            ...
        </jaxrs:serviceBeans>
        <jaxrs:providers>
            <ref component-id="tracingFeature" />
        </jaxrs:providers>
    </jaxrs:server>

</blueprint>

As of now, OpenTelemetry does not provide dedicated OSGi bundles and the service loader mechanism is not working very well. It is very likely that you may need to declare own span exporters.