Add classLoaderMatcher() for the spring-boot-actuator-autoconfigure i… (

open-telemetry#6695)

…nstrumentation

See open-telemetry#6636

instrumentation/spring/spring-boot-actuator-autoconfigure-2.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/spring/actuator/SpringBootActuatorInstrumentationModule.java

@@ -5,13 +5,15 @@
 
 package io.opentelemetry.javaagent.instrumentation.spring.actuator;
 
+import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.hasClassesNamed;
 import static java.util.Collections.singletonList;
 
 import com.google.auto.service.AutoService;
 import io.opentelemetry.javaagent.extension.instrumentation.HelperResourceBuilder;
 import io.opentelemetry.javaagent.extension.instrumentation.InstrumentationModule;
 import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
 import java.util.List;
+import net.bytebuddy.matcher.ElementMatcher;
 
 @AutoService(InstrumentationModule.class)
 public class SpringBootActuatorInstrumentationModule extends InstrumentationModule {
@@ -20,6 +22,12 @@ public SpringBootActuatorInstrumentationModule() {
  super("spring-boot-actuator-autoconfigure", "spring-boot-actuator-autoconfigure-2.0");
  }
 
+ @Override
+ public ElementMatcher.Junction<ClassLoader> classLoaderMatcher() {
+ // added in micrometer-core 1.5
+ return hasClassesNamed("io.micrometer.core.instrument.config.validate.Validated");
+ }
+
  @Override
  public void registerHelperResources(HelperResourceBuilder helperResourceBuilder) {
  // autoconfigure classes are loaded as resources using ClassPathResource