From 8a9346267f4d297567661dca91f80b08c0897cd4 Mon Sep 17 00:00:00 2001
From: Paul Yuknewicz <paulyuk@microsoft.com>
Date: Sat, 21 Feb 2026 11:32:13 -0800
Subject: [PATCH 1/2] Upgrade Java runtime from 17 to 21 (latest LTS)

Fixes #15

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 http/pom.xml     | 4 ++--
 infra/main.bicep | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/http/pom.xml b/http/pom.xml
index 131ad74..f7932ed 100644
--- a/http/pom.xml
+++ b/http/pom.xml
@@ -11,7 +11,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <java.version>17</java.version>
+        <java.version>21</java.version>
         <azure.functions.maven.plugin.version>1.36.0</azure.functions.maven.plugin.version>
         <azure.functions.java.library.version>3.1.0</azure.functions.java.library.version>
         <functionAppName>contoso-functions</functionAppName>
@@ -83,7 +83,7 @@
                     <runtime>
                         <!-- runtime os, could be windows, linux or docker-->
                         <os>linux</os>
-                        <javaVersion>17</javaVersion>
+                        <javaVersion>21</javaVersion>
                     </runtime>
                     <appSettings>
                         <property>
diff --git a/infra/main.bicep b/infra/main.bicep
index d5018d2..d4a8f22 100644
--- a/infra/main.bicep
+++ b/infra/main.bicep
@@ -59,7 +59,7 @@ module api './app/api.bicep' = {
     applicationInsightsName: monitoring.outputs.applicationInsightsName
     appServicePlanId: appServicePlan.outputs.id
     runtimeName: 'java'
-    runtimeVersion: '17'
+    runtimeVersion: '21'
     storageAccountName: storage.outputs.name
     identityId: apiUserAssignedIdentity.outputs.identityId
     identityClientId: apiUserAssignedIdentity.outputs.identityClientId

From 19f6a4c1dca2de3874392de3e1a07e60aa6aca3b Mon Sep 17 00:00:00 2001
From: Paul Yuknewicz <paulyuk@microsoft.com>
Date: Sat, 21 Feb 2026 14:54:10 -0800
Subject: [PATCH 2/2] Fix: Add '21' to allowed Java runtime versions

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 infra/core/host/functions-flexconsumption.bicep | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/infra/core/host/functions-flexconsumption.bicep b/infra/core/host/functions-flexconsumption.bicep
index d3de0ef..ae85fe9 100644
--- a/infra/core/host/functions-flexconsumption.bicep
+++ b/infra/core/host/functions-flexconsumption.bicep
@@ -17,7 +17,7 @@ param identityId string
   'dotnet-isolated', 'node', 'python', 'java', 'powershell', 'custom'
 ])
 param runtimeName string
-@allowed(['3.10', '3.11', '7.4', '8.0', '10', '11', '17', '20'])
+@allowed(['3.10', '3.11', '7.4', '8.0', '10', '11', '17', '20', '21'])
 param runtimeVersion string
 param kind string = 'functionapp,linux'