From 8275f8d7fb9ba044bccc4c0e798e827e9ebc2759 Mon Sep 17 00:00:00 2001
From: Tilman Holube <tilman@holube.de>
Date: Fri, 4 Apr 2025 10:27:43 +0200
Subject: [PATCH 1/4] Build as multi release jar - make jakarta and javax
 annotation modules optional at runtime - update GitHub Action to JDK 11 -
 added module info in java9 source folder - added executions for java 8 and 9
 - removed automatic module - added multi release entry to manifest

---
 .github/workflows/maven_release.yml | 10 ++++-----
 pom.xml                             | 32 ++++++++++++++++++++++++-----
 src/main/java9/module-info.java     |  7 +++++++
 3 files changed, 39 insertions(+), 10 deletions(-)
 create mode 100644 src/main/java9/module-info.java

diff --git a/.github/workflows/maven_release.yml b/.github/workflows/maven_release.yml
index 2195f52..82d40e0 100644
--- a/.github/workflows/maven_release.yml
+++ b/.github/workflows/maven_release.yml
@@ -15,10 +15,10 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - name: Set up JDK 8
+      - name: Set up JDK 11
         uses: actions/setup-java@v3
         with:
-          java-version: 8
+          java-version: 11
           distribution: 'temurin'
       - name: Cache Maven packages
         uses: actions/cache@v3
@@ -37,10 +37,10 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - name: Set up JDK 8
+      - name: Set up JDK 11
         uses: actions/setup-java@v3
         with:
-          java-version: 8
+          java-version: 11
           distribution: 'temurin'
       - name: Cache Maven packages
         uses: actions/cache@v3
@@ -74,7 +74,7 @@ jobs:
       - name: Set up Maven Central Repository
         uses: actions/setup-java@v3
         with:
-          java-version: 8
+          java-version: 11
           distribution: 'temurin'
           server-id: central
           server-username: MAVEN_USERNAME
diff --git a/pom.xml b/pom.xml
index d9ca645..0dce1a9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -81,10 +81,32 @@
             <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.14.0</version>
-                <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
-                </configuration>
+                <executions>
+                    <execution>
+                        <id>compile-java-8</id>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                        <configuration>
+                            <source>1.8</source>
+                            <target>1.8</target>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>compile-java-9</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                        <configuration>
+                            <release>9</release>
+                            <compileSourceRoots>
+                                <compileSourceRoot>${project.basedir}/src/main/java9</compileSourceRoot>
+                            </compileSourceRoots>
+                            <multiReleaseOutput>true</multiReleaseOutput>
+                        </configuration>
+                    </execution>
+                </executions>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
@@ -93,7 +115,7 @@
                 <configuration>
                     <archive>
                         <manifestEntries>
-                            <Automatic-Module-Name>org.openapitools.jackson.nullable</Automatic-Module-Name>
+                            <Multi-Release>true</Multi-Release>
                         </manifestEntries>
                     </archive>
                 </configuration>
diff --git a/src/main/java9/module-info.java b/src/main/java9/module-info.java
new file mode 100644
index 0000000..5a66c27
--- /dev/null
+++ b/src/main/java9/module-info.java
@@ -0,0 +1,7 @@
+module org.openapitools.jackson.nullable {
+    requires com.fasterxml.jackson.databind;
+    requires static jakarta.validation;
+    requires static java.validation;
+
+    exports org.openapitools.jackson.nullable;
+}

From 124ee512e434439ae75c08f611891150ec0703c5 Mon Sep 17 00:00:00 2001
From: Tilman Holube <tilman@holube.de>
Date: Tue, 23 Sep 2025 19:07:38 +0200
Subject: [PATCH 2/4] Update Java Version in maven test Action

---
 .github/workflows/maven_test.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/maven_test.yml b/.github/workflows/maven_test.yml
index b88dbbc..efd08e8 100644
--- a/.github/workflows/maven_test.yml
+++ b/.github/workflows/maven_test.yml
@@ -13,10 +13,10 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - name: Set up JDK 8
+      - name: Set up JDK 11
         uses: actions/setup-java@v3
         with:
-          java-version: 8
+          java-version: 11
           distribution: 'temurin'
       - name: Cache Maven packages
         uses: actions/cache@v3

From 1524d095ffc20343dcffec731474aa4c4330e581 Mon Sep 17 00:00:00 2001
From: Tilman Holube <tilman@holube.de>
Date: Tue, 23 Sep 2025 19:07:50 +0200
Subject: [PATCH 3/4] Add service providers to module info

---
 src/main/java9/module-info.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java9/module-info.java b/src/main/java9/module-info.java
index 5a66c27..33b04dc 100644
--- a/src/main/java9/module-info.java
+++ b/src/main/java9/module-info.java
@@ -4,4 +4,8 @@
     requires static java.validation;
 
     exports org.openapitools.jackson.nullable;
+
+    provides com.fasterxml.jackson.databind.Module with org.openapitools.jackson.nullable.JsonNullableModule;
+    provides javax.validation.valueextraction.ValueExtractor with org.openapitools.jackson.nullable.JsonNullableValueExtractor;
+    provides jakarta.validation.valueextraction.ValueExtractor with org.openapitools.jackson.nullable.JsonNullableJakartaValueExtractor;
 }

From ffc42f8278e53192fb6b002b00c7016b1175bb19 Mon Sep 17 00:00:00 2001
From: Tilman Holube <tilman@holube.de>
Date: Wed, 24 Sep 2025 10:43:23 +0200
Subject: [PATCH 4/4] Use release instead of source and target

---
 pom.xml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/pom.xml b/pom.xml
index efe0135..745b826 100644
--- a/pom.xml
+++ b/pom.xml
@@ -88,8 +88,7 @@
                             <goal>compile</goal>
                         </goals>
                         <configuration>
-                            <source>1.8</source>
-                            <target>1.8</target>
+                            <release>8</release>
                         </configuration>
                     </execution>
                     <execution>