Always look for external config for agent init; restore properties file

Author: adinauer

sentry-opentelemetry/sentry-opentelemetry-agentcustomization/src/main/java/io/sentry/opentelemetry/SentryAutoConfigurationCustomizerProvider.java

@@ -29,7 +29,7 @@ public void customize(AutoConfigurationCustomizer autoConfiguration) {
     if (sentryPropertiesFile != null || sentryDsn != null) {
       Sentry.init(
           options -> {
-            options.setEnableExternalConfiguration(sentryPropertiesFile != null);
+            options.setEnableExternalConfiguration(true);
             options.setInstrumenter(Instrumenter.OTEL);
             final @Nullable SdkVersion sdkVersion = createSdkVersion(options);
             if (sdkVersion != null) {

sentry-samples/sentry-samples-spring-boot/src/main/resources/application.properties

@@ -0,0 +1,19 @@
+# NOTE: Replace the test DSN below with YOUR OWN DSN to see the events from this app in your Sentry project/dashboard
+sentry.dsn=https://[email protected]/5428563
+sentry.send-default-pii=true
+sentry.max-request-body-size=medium
+# Sentry Spring Boot integration allows more fine-grained SentryOptions configuration
+sentry.max-breadcrumbs=150
+# Logback integration configuration options
+sentry.logging.minimum-event-level=info
+sentry.logging.minimum-breadcrumb-level=debug
+# Performance configuration
+sentry.traces-sample-rate=1.0
+sentry.debug=true
+in-app-includes="io.sentry.samples"
+
+# Database configuration
+spring.datasource.url=jdbc:p6spy:hsqldb:mem:testdb
+spring.datasource.driver-class-name=com.p6spy.engine.spy.P6SpyDriver
+spring.datasource.username=sa
+spring.datasource.password=