From a5615ab438de8e5cd5ebe994985346db245b705e Mon Sep 17 00:00:00 2001
From: Alexander Schwartz <aschwart@redhat.com>
Date: Tue, 21 Jun 2022 13:59:36 +0200
Subject: [PATCH] Automatic profile activated when using JDK 9+ that sets the
 compiler's release flag that is not understood by JDK 8

Closes #12631
---
 pom.xml | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/pom.xml b/pom.xml
index f799c43594..05637f64ff 100644
--- a/pom.xml
+++ b/pom.xml
@@ -226,11 +226,6 @@
 
         <!-- Frontend -->
         <node.version>v16.13.2</node.version>
-
-        <!-- Minimum Java version supported for running Keycloak -->
-        <!-- maven.compiler.target and maven.compiler.source already set to 1.8 in the parent pom -->
-        <!-- other modules will configure a higher Java version (for example Quarkus) -->
-        <maven.compiler.release>8</maven.compiler.release>
     </properties>
 
     <url>http://keycloak.org</url>
@@ -2081,6 +2076,21 @@
             </build>
         </profile>
 
+        <profile>
+            <id>built-with-jdk-9-or-later</id>
+            <activation>
+                <!-- only activate this on JDK 9 or later as this option is unknown for JDK 8, and as it is not necessary for JDK 8 -->
+                <!-- support for running with JDK 8 is still necessary for some downstream integration tests -->
+                <jdk>(9,)</jdk>
+            </activation>
+            <properties>
+                <!-- Minimum Java version supported for running Keycloak -->
+                <!-- maven.compiler.target and maven.compiler.source already set to 1.8 in the parent pom -->
+                <!-- other modules will configure a higher Java version (for example, Quarkus) -->
+                <maven.compiler.release>8</maven.compiler.release>
+            </properties>
+        </profile>
+
         <profile>
             <id>nexus-staging</id>
             <build>