[release/v1.60.x] Fix warning always emitted (#8158)

Co-authored-by: Trask Stalnaker <trask.stalnaker@gmail.com>

Author: otelbot[bot]

sdk-extensions/autoconfigure/src/main/java/io/opentelemetry/sdk/autoconfigure/AutoConfiguredOpenTelemetrySdkBuilder.java

@@ -582,7 +582,7 @@ private static AutoConfiguredOpenTelemetrySdk maybeConfigureFromFile(
     String configurationFile = config.getString("otel.config.file");
     if (configurationFile == null || configurationFile.isEmpty()) {
       configurationFile = config.getString("otel.experimental.config.file");
-      if (configurationFile == null || configurationFile.isEmpty()) {
+      if (configurationFile != null && !configurationFile.isEmpty()) {
         logger.warning(
             "otel.experimental.config.file is deprecated and will be removed after 1.62.0 release. Please use otel.config.file instead.");
       }

sdk-extensions/autoconfigure/src/test/java/io/opentelemetry/sdk/autoconfigure/DeclarativeConfigurationTest.java

@@ -5,8 +5,10 @@
 
 package io.opentelemetry.sdk.autoconfigure;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
+import io.github.netmikey.logunit.api.LogCapturer;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigurationException;
 import io.opentelemetry.sdk.autoconfigure.spi.internal.DefaultConfigProperties;
@@ -15,11 +17,18 @@
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
 import org.junit.jupiter.api.io.TempDir;
 
 class DeclarativeConfigurationTest {
 
+  @RegisterExtension
+  LogCapturer logs =
+      LogCapturer.create().captureForType(AutoConfiguredOpenTelemetrySdkBuilder.class);
+
   @Test
   void configFile(@TempDir Path tempDir) throws IOException {
     String yaml =
@@ -44,4 +53,17 @@ void configFile(@TempDir Path tempDir) throws IOException {
         .hasMessage(
             "Cannot autoconfigure from config file without opentelemetry-sdk-extension-incubator on the classpath");
   }
+
+  @Test
+  void noLogMessages_whenBuildingWithDefaults() {
+    Map<String, String> props = new HashMap<>();
+    props.put("otel.metrics.exporter", "none");
+    props.put("otel.traces.exporter", "none");
+    props.put("otel.logs.exporter", "none");
+    AutoConfiguredOpenTelemetrySdk sdk =
+        AutoConfiguredOpenTelemetrySdk.builder().addPropertiesSupplier(() -> props).build();
+    sdk.getOpenTelemetrySdk().shutdown();
+
+    assertThat(logs.getEvents()).isEmpty();
+  }
 }