From 0388f954af8dbcf41e0192efae9fd7bc70b9fb7f Mon Sep 17 00:00:00 2001
From: Andy Chen <andy@rdc.offerslook.com>
Date: Sun, 4 Aug 2019 15:37:24 +0800
Subject: [PATCH] Configure a temporary directory with Undertow

See gh-17778
---
 .../web/embedded/undertow/UndertowServletWebServerFactory.java   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/undertow/UndertowServletWebServerFactory.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/undertow/UndertowServletWebServerFactory.java
index 39f043d7443..abfcf415950 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/undertow/UndertowServletWebServerFactory.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/undertow/UndertowServletWebServerFactory.java
@@ -259,6 +259,7 @@ public class UndertowServletWebServerFactory extends AbstractServletWebServerFac
 		deployment.setClassLoader(getServletClassLoader());
 		deployment.setContextPath(getContextPath());
 		deployment.setDisplayName(getDisplayName());
+		deployment.setTempDir(new File(System.getProperty("java.io.tmpdir")));
 		deployment.setDeploymentName("spring-boot");
 		if (isRegisterDefaultServlet()) {
 			deployment.addServlet(Servlets.servlet("default", DefaultServlet.class));