fix

Author: zeitlinger

instrumentation/spring/spring-boot-autoconfigure/src/main/java/io/opentelemetry/instrumentation/spring/autoconfigure/internal/instrumentation/logging/LoggingExporterAutoConfiguration.java

@@ -24,8 +24,8 @@
  * any time.
  */
 @Conditional(SdkEnabled.class)
-// for forwards compatibility with declarative configuration
-@ConditionalOnProperty(name = "otel.debug", havingValue = "true")
+// to match "otel.javaagent.debug" system property
+@ConditionalOnProperty(name = "otel.spring-starter.debug", havingValue = "true")
 @ConditionalOnClass(LoggingSpanExporter.class)
 @Configuration
 public class LoggingExporterAutoConfiguration {

instrumentation/spring/spring-boot-autoconfigure/src/test/java/io/opentelemetry/instrumentation/spring/autoconfigure/internal/instrumentation/logging/LoggingExporterAutoConfigurationTest.java

@@ -29,7 +29,7 @@ class LoggingExporterAutoConfigurationTest {
   @Test
   void instrumentationEnabled() {
     runner
-        .withPropertyValues("otel.debug=true", "otel.traces.exporter=none")
+        .withPropertyValues("otel.spring-starter.debug=true", "otel.traces.exporter=none")
         .run(
             context ->
                 assertThat(context.getBean(OpenTelemetry.class).toString())
@@ -39,7 +39,7 @@ void instrumentationEnabled() {
   @Test
   void alreadyAdded() {
     runner
-        .withPropertyValues("otel.debug=true", "otel.traces.exporter=logging")
+        .withPropertyValues("otel.spring-starter.debug=true", "otel.traces.exporter=logging")
         .run(
             context ->
                 assertThat(context.getBean(OpenTelemetry.class).toString())