SpringBoot NullPointerException in LazyTracingSpanContextSupplier when TraceContext.sampled() returns null

Exception in thread "main" java.lang.NullPointerException: Cannot invoke "java.lang.Boolean.booleanValue()" because the return value of "io.micrometer.tracing.TraceContext.sampled()" is null
    at org.springframework.boot.actuate.autoconfigure.tracing.prometheus.PrometheusExemplarsAutoConfiguration$LazyTracingSpanContextSupplier.isSampled(PrometheusExemplarsAutoConfiguration.java:83)
    at io.prometheus.client.exemplars.DefaultExemplarSampler.doSample(DefaultExemplarSampler.java:46)
    at io.prometheus.client.exemplars.DefaultExemplarSampler.sample(DefaultExemplarSampler.java:34)
    at io.micrometer.prometheus.PrometheusCounter.updateExemplar(PrometheusCounter.java:79)
    at io.micrometer.prometheus.PrometheusCounter.increment(PrometheusCounter.java:58)
    at io.micrometer.core.instrument.Counter.increment(Counter.java:38)
    at io.micrometer.core.instrument.binder.logging.MetricsTurboFilter.decide(LogbackMetrics.java:196)
    at ch.qos.logback.classic.spi.TurboFilterList.getTurboFilterChainDecision(TurboFilterList.java:49)
    at ch.qos.logback.classic.LoggerContext.getTurboFilterChainDecision_0_3OrMore(LoggerContext.java:251)
    at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:375)
    at ch.qos.logback.classic.Logger.log(Logger.java:780)
    at org.apache.commons.logging.LogAdapter$Slf4jLocationAwareLog.warn(LogAdapter.java:444)
    at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:792)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:321)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1302)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1291)
    at com.example.demo.Gh33070Application.main(Gh33070Application.java:13)