请问各位这个问题怎么解决

Question

Cannot resolve org.hdrhistogram:HdrHistogram:2.1.12
Cannot resolve org.latencyutils:LatencyUtils:2.0.3
Cannot resolve io.projectreactor.netty:reactor-netty-core:1.0.18
Cannot resolve io.micrometer:micrometer-core:1.8.5
Cannot resolve io.netty:netty-handler-proxy:4.1.76.Final
Cannot resolve commons-codec:commons-codec:1.15
Cannot resolve org.springframework.boot:spring-boot-actuator:2.6.7
Cannot resolve io.projectreactor.addons:reactor-extra:3.4.8
Cannot resolve org.reactivestreams:reactive-streams:1.0.3
Cannot resolve org.springframework.boot:spring-boot-starter-actuator:2.6.7
Cannot resolve org.springframework.boot:spring-boot-actuator-autoconfigure:2.6.7
Cannot resolve io.netty:netty-codec-socks:4.1.76.Final
Cannot resolve org.apache.httpcomponents:httpcore:4.4.15
Cannot resolve io.netty:netty-transport-classes-epoll:4.1.76.Final
Cannot resolve io.projectreactor:reactor-core:3.4.17
Cannot resolve org.springframework:spring-webflux:5.3.19