From bccdf043584040e70f5db227c28e2f789f0bef10 Mon Sep 17 00:00:00 2001
From: Tadaya Tsuyukubo <tadaya@ttddyy.net>
Date: Mon, 23 Sep 2019 21:21:31 -0700
Subject: [PATCH] Use ordered TaskExecutorCustomizers

Use an ordered stream in `TaskExecutionAutoConfiguration` when
obtaining the TaskExecutor customizers.

See gh-18333
---
 .../boot/autoconfigure/task/TaskExecutionAutoConfiguration.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/task/TaskExecutionAutoConfiguration.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/task/TaskExecutionAutoConfiguration.java
index d6e4cb842bc1..0cb0a8797267 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/task/TaskExecutionAutoConfiguration.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/task/TaskExecutionAutoConfiguration.java
@@ -75,7 +75,7 @@ public TaskExecutorBuilder taskExecutorBuilder() {
 		builder = builder.allowCoreThreadTimeOut(pool.isAllowCoreThreadTimeout());
 		builder = builder.keepAlive(pool.getKeepAlive());
 		builder = builder.threadNamePrefix(this.properties.getThreadNamePrefix());
-		builder = builder.customizers(this.taskExecutorCustomizers);
+		builder = builder.customizers(this.taskExecutorCustomizers.orderedStream()::iterator);
 		builder = builder.taskDecorator(this.taskDecorator.getIfUnique());
 		return builder;
 	}