From e654f9f5e39eeb541f98b141026d1dda3e8ab2cf Mon Sep 17 00:00:00 2001
From: Marcono1234 <Marcono1234@users.noreply.github.com>
Date: Mon, 8 Nov 2021 20:00:21 +0100
Subject: [PATCH] Use Maven toolchain for Surefire plugin

---
 gson/pom.xml | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/gson/pom.xml b/gson/pom.xml
index 8a0f6c3fb5..829f995d28 100644
--- a/gson/pom.xml
+++ b/gson/pom.xml
@@ -71,13 +71,14 @@
         <artifactId>maven-surefire-plugin</artifactId>
         <version>3.0.0-M5</version>
         <configuration>
+          <jdkToolchain>
+            <!-- Require at least Java 9 for tests, see below -->
+            <version>[9,)</version>
+          </jdkToolchain>
           <!-- Deny illegal access, this is required for ReflectionAccessTest -->
           <!-- Requires Java >= 9; Important: In case future Java versions 
             don't support this flag anymore, don't remove it unless CI also runs with 
-            that Java version. Ideally would use toolchain to specify that this should 
-            run with e.g. Java 11, but Maven toolchain requirements (unlike Gradle ones) 
-            don't seem to be portable (every developer would have to set up toolchain 
-            configuration locally). -->
+            that Java version -->
           <argLine>--illegal-access=deny</argLine>
         </configuration>
       </plugin>