From 93c12fb196dc3051f52a9d399358727631ef8e0f Mon Sep 17 00:00:00 2001
From: Jack Berg <jberg@newrelic.com>
Date: Mon, 7 Aug 2023 17:00:54 -0500
Subject: [PATCH] Add reminder to shutdown exporter instances if replacing

---
 .../autoconfigure/spi/AutoConfigurationCustomizer.java   | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sdk-extensions/autoconfigure-spi/src/main/java/io/opentelemetry/sdk/autoconfigure/spi/AutoConfigurationCustomizer.java b/sdk-extensions/autoconfigure-spi/src/main/java/io/opentelemetry/sdk/autoconfigure/spi/AutoConfigurationCustomizer.java
index e016e6a7424..d126ceb07ed 100644
--- a/sdk-extensions/autoconfigure-spi/src/main/java/io/opentelemetry/sdk/autoconfigure/spi/AutoConfigurationCustomizer.java
+++ b/sdk-extensions/autoconfigure-spi/src/main/java/io/opentelemetry/sdk/autoconfigure/spi/AutoConfigurationCustomizer.java
@@ -56,6 +56,9 @@ AutoConfigurationCustomizer addSamplerCustomizer(
    * allow customization. The return value of the {@link BiFunction} will replace the passed-in
    * argument.
    *
+   * <p>NOTE: If returning a different exporter instance, be sure to call {@link
+   * SpanExporter#shutdown()} on the instance passed as an argument to release resources.
+   *
    * <p>Multiple calls will execute the customizers in order.
    */
   AutoConfigurationCustomizer addSpanExporterCustomizer(
@@ -128,6 +131,9 @@ default AutoConfigurationCustomizer addMeterProviderCustomizer(
    * allow customization. The return value of the {@link BiFunction} will replace the passed-in
    * argument.
    *
+   * <p>NOTE: If returning a different exporter instance, be sure to call {@link
+   * SpanExporter#shutdown()} on the instance passed as an argument to release resources.
+   *
    * <p>Multiple calls will execute the customizers in order.
    */
   default AutoConfigurationCustomizer addMetricExporterCustomizer(
@@ -155,6 +161,9 @@ default AutoConfigurationCustomizer addLoggerProviderCustomizer(
    * to allow customization. The return value of the {@link BiFunction} will replace the passed-in
    * argument.
    *
+   * <p>NOTE: If returning a different exporter instance, be sure to call {@link
+   * SpanExporter#shutdown()} on the instance passed as an argument to release resources.
+   *
    * <p>Multiple calls will execute the customizers in order.
    *
    * @since 1.19.0