Upgrade to Java 21 (#693)

2023-10-26 06:30:45 -04:00 · 2023-10-26 06:30:45 -04:00 · b108f88453
commit b108f88453
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@ -18,10 +18,10 @@ jobs:
    - uses: actions/checkout@v4
      with:
        submodules: true
-    - name: Set up JDK 17
+    - name: Set up JDK 21
      uses: actions/setup-java@v3
      with:
-        java-version: 17
+        java-version: 21
        distribution: 'temurin'
        cache: 'maven'
    - name: Ensure code formatted with mvn spotless:apply
@ -34,13 +34,14 @@ jobs:
      fail-fast: false
      matrix:
        os: [ ubuntu-latest, macos-latest, windows-latest ]
-        jdk: [ 17 ]
+        jdk: [ 21 ]
        include:
        - os: ubuntu-latest
-          jdk: 17
+          jdk: 21
          args: "-DargLine='-Duser.language=fr -Duser.country=FR'"
        - os: ubuntu-latest
-          jdk: 20
+          jdk: 21
+          args: ""
    runs-on: ${{ matrix.os }}
    timeout-minutes: 15
    steps:
@ -71,10 +72,10 @@ jobs:
    - uses: actions/checkout@v4
      with:
        submodules: true
-    - name: Set up JDK 17
+    - name: Set up JDK 21
      uses: actions/setup-java@v3
      with:
-        java-version: 17
+        java-version: 21
        distribution: 'temurin'
    - name: Build and test
      run: mvn --batch-mode -no-transfer-progress package --file standalone.pom.xml
@ -102,7 +103,7 @@ jobs:
    - name: Set up JDK
      uses: actions/setup-java@v3
      with:
-        java-version: 17
+        java-version: 21
        distribution: 'temurin'
        cache: 'maven'

@ -139,7 +140,7 @@ jobs:
    - name: Set up JDK
      uses: actions/setup-java@v3
      with:
-        java-version: 17
+        java-version: 21
        distribution: 'temurin'
        cache: 'maven'

--- a/.github/workflows/performance.yml
+++ b/.github/workflows/performance.yml
@ -44,7 +44,7 @@ jobs:
    - name: Set up JDK
      uses: actions/setup-java@v3
      with:
-        java-version: 17
+        java-version: 21
        distribution: 'temurin'
        cache: 'maven'
    - uses: actions/setup-node@v4
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@ -18,65 +18,65 @@ jobs:
      contents: write
      packages: write
    steps:
-      - name: Ensure version does not start with 'v'
-        uses: actions/github-script@v6
-        with:
-          github-token: ${{ github.token }}
-          script: |
-            version = context.payload.inputs.version;
-            if (/^v/.test(version)) throw new Error("Bad version number: " + version)
-      - uses: actions/checkout@v4
-        with:
-          submodules: true
-      - name: Cache data/sources
-        uses: ./.github/cache-sources-action
-      - uses: actions/setup-java@v3
-        with:
-          java-version: '17'
-          distribution: 'temurin'
-          cache: 'maven'
-          server-id: ossrh
-          server-username: MAVEN_USERNAME
-          server-password: MAVEN_PASSWORD
+    - name: Ensure version does not start with 'v'
+      uses: actions/github-script@v6
+      with:
+        github-token: ${{ github.token }}
+        script: |
+          version = context.payload.inputs.version;
+          if (/^v/.test(version)) throw new Error("Bad version number: " + version)
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+    - name: Cache data/sources
+      uses: ./.github/cache-sources-action
+    - uses: actions/setup-java@v3
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+        cache: 'maven'
+        server-id: ossrh
+        server-username: MAVEN_USERNAME
+        server-password: MAVEN_PASSWORD

-      - name: Check tag does not exist yet
-        run: if git rev-list "v${{ github.event.inputs.version }}"; then echo "Tag already exists. Aborting the release process."; exit 1; fi
+    - name: Check tag does not exist yet
+      run: if git rev-list "v${{ github.event.inputs.version }}"; then echo "Tag already exists. Aborting the release process."; exit 1; fi

-      - run: ./scripts/set-versions.sh "${{ github.event.inputs.version }}"
-      - run: ./scripts/build-release.sh
-      - run: ./scripts/test-release.sh "${{ github.event.inputs.version }}"
-      - name: Create tag
-        uses: actions/github-script@v6
-        with:
-          github-token: ${{ github.token }}
-          script: |
-            github.rest.git.createRef({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              ref: "refs/tags/v${{ github.event.inputs.version }}",
-              sha: context.sha
-            })
-      - run: mv planetiler-dist/target/*with-deps.jar planetiler.jar
-      - run: sha256sum planetiler.jar > planetiler.jar.sha256
-      - run: md5sum planetiler.jar > planetiler.jar.md5
-      - name: Install GPG Private Key
-        run: |
-          echo -n "${{ secrets.OSSRH_GPG_SECRET_KEY }}" | base64 --decode | gpg --batch --import
-      - name: Create Release
-        uses: softprops/action-gh-release@v1
-        with:
-          fail_on_unmatched_files: true
-          tag_name: v${{ github.event.inputs.version }}
-          draft: true
-          files: |
-            planetiler.jar*
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - run: ./scripts/push-release.sh ${{ github.event.inputs.version }}
-        env:
-          GITHUB_ACTOR: ${{ github.actor }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          IMAGE_TAGS: ${{ github.event.inputs.image_tags }}
-          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
-          MAVEN_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
-          OSSRH_GPG_SECRET_KEY_PASSWORD: ${{ secrets.OSSRH_GPG_SECRET_KEY_PASSWORD }}
+    - run: ./scripts/set-versions.sh "${{ github.event.inputs.version }}"
+    - run: ./scripts/build-release.sh
+    - run: ./scripts/test-release.sh "${{ github.event.inputs.version }}"
+    - name: Create tag
+      uses: actions/github-script@v6
+      with:
+        github-token: ${{ github.token }}
+        script: |
+          github.rest.git.createRef({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            ref: "refs/tags/v${{ github.event.inputs.version }}",
+            sha: context.sha
+          })
+    - run: mv planetiler-dist/target/*with-deps.jar planetiler.jar
+    - run: sha256sum planetiler.jar > planetiler.jar.sha256
+    - run: md5sum planetiler.jar > planetiler.jar.md5
+    - name: Install GPG Private Key
+      run: |
+        echo -n "${{ secrets.OSSRH_GPG_SECRET_KEY }}" | base64 --decode | gpg --batch --import
+    - name: Create Release
+      uses: softprops/action-gh-release@v1
+      with:
+        fail_on_unmatched_files: true
+        tag_name: v${{ github.event.inputs.version }}
+        draft: true
+        files: |
+          planetiler.jar*
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    - run: ./scripts/push-release.sh ${{ github.event.inputs.version }}
+      env:
+        GITHUB_ACTOR: ${{ github.actor }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        IMAGE_TAGS: ${{ github.event.inputs.image_tags }}
+        MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+        MAVEN_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
+        OSSRH_GPG_SECRET_KEY_PASSWORD: ${{ secrets.OSSRH_GPG_SECRET_KEY_PASSWORD }}
--- a/.github/workflows/snapshot.yml
+++ b/.github/workflows/snapshot.yml
@ -21,37 +21,37 @@ jobs:
      contents: read
      packages: write
    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: true
-      - name: Cache data/sources
-        uses: ./.github/cache-sources-action
-      - name: Set up JDK
-        uses: actions/setup-java@v3
-        with:
-          java-version: 17
-          distribution: 'temurin'
-          cache: 'maven'
-          server-id: ossrh
-          server-username: MAVEN_USERNAME
-          server-password: MAVEN_PASSWORD
-      - run: ./scripts/build-release.sh
-      - run: ./scripts/test-release.sh
-      - run: sha256sum planetiler-dist/target/*with-deps.jar
-      - run: md5sum planetiler-dist/target/*with-deps.jar
-      - name: 'Upload artifact'
-        uses: actions/upload-artifact@v3
-        with:
-          name: planetiler-build
-          path: planetiler-dist/target/*with-deps.jar
-      - name: Install GPG Private Key
-        run: |
-          echo -n "${{ secrets.OSSRH_GPG_SECRET_KEY }}" | base64 --decode | gpg --batch --import
-      - run: ./scripts/push-release.sh
-        env:
-          GITHUB_ACTOR: ${{ github.actor }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          IMAGE_TAGS: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.image_tags || 'latest,snapshot' }}
-          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
-          MAVEN_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
-          OSSRH_GPG_SECRET_KEY_PASSWORD: ${{ secrets.OSSRH_GPG_SECRET_KEY_PASSWORD }}
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+    - name: Cache data/sources
+      uses: ./.github/cache-sources-action
+    - name: Set up JDK
+      uses: actions/setup-java@v3
+      with:
+        java-version: 21
+        distribution: 'temurin'
+        cache: 'maven'
+        server-id: ossrh
+        server-username: MAVEN_USERNAME
+        server-password: MAVEN_PASSWORD
+    - run: ./scripts/build-release.sh
+    - run: ./scripts/test-release.sh
+    - run: sha256sum planetiler-dist/target/*with-deps.jar
+    - run: md5sum planetiler-dist/target/*with-deps.jar
+    - name: 'Upload artifact'
+      uses: actions/upload-artifact@v3
+      with:
+        name: planetiler-build
+        path: planetiler-dist/target/*with-deps.jar
+    - name: Install GPG Private Key
+      run: |
+        echo -n "${{ secrets.OSSRH_GPG_SECRET_KEY }}" | base64 --decode | gpg --batch --import
+    - run: ./scripts/push-release.sh
+      env:
+        GITHUB_ACTOR: ${{ github.actor }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        IMAGE_TAGS: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.image_tags || 'latest,snapshot' }}
+        MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+        MAVEN_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
+        OSSRH_GPG_SECRET_KEY_PASSWORD: ${{ secrets.OSSRH_GPG_SECRET_KEY_PASSWORD }}
--- a/.github/workflows/sonar.yml
+++ b/.github/workflows/sonar.yml
@ -15,66 +15,66 @@ jobs:
    runs-on: ubuntu-latest
    timeout-minutes: 15
    steps:
-      - uses: actions/checkout@v4
-        with:
-          # Disabling shallow clone is recommended for improving relevancy of reporting
-          fetch-depth: 0
-          submodules: true
-      - name: Set up JDK 17
-        uses: actions/setup-java@v3
-        with:
-          java-version: 17
-          distribution: 'temurin'
-          cache: 'maven'
-      - name: Cache SonarCloud packages
-        uses: actions/cache@v3
-        with:
-          path: ~/.sonar/cache
-          key: ${{ runner.os }}-sonar
-          restore-keys: ${{ runner.os }}-sonar
-      - name: Analyze with SonarCloud
-        run: |
-          mvn -Dspotless.check.skip -Pcoverage -B verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar
-        env:
-          # Needed to get some information about the pull request, if any
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          # Read-only user, use this token to link SonarLint to SonarCloud as well
-          SONAR_TOKEN: c2cfe8bd7368ced07e84a620b7c2487846e220eb
-      - name: Wait for SonarCloud API to update...
-        run: "sleep 10"
-      - name: Upload annotations on PRs
-        if: ${{ github.event_name == 'pull_request' }}
-        uses: actions/github-script@v6
-        with:
-          github-token: ${{ github.token }}
-          script: |
-            const pr = context.payload.pull_request.number;
-            const url = `https://sonarcloud.io/api/issues/search?pullRequest=${pr}&s=FILE_LINE&resolved=false&sinceLeakPeriod=true&ps=100&facets=severities%2Ctypes&componentKeys=onthegomap_planetiler&organization=onthegomap&additionalFields=_all`;
-            console.log("Fetching " + url);
-            const response = await github.request(url);
-            console.log("Got " + JSON.stringify(response.data));
-            response.data.issues.forEach(issue => {
-              try {
-                if (issue.severity === 'INFO') return;
-                const textRange = issue.textRange;
-                const rule = encodeURIComponent(issue.rule);
-                const message = [
-                  issue.message,
-                  '',
-                  `rule: ${issue.rule} (https://sonarcloud.io/organizations/onthegomap/rules?open=${rule}&rule_key=${rule})`,
-                  `issue url: https://sonarcloud.io/project/issues?pullRequest=${pr}&open=${encodeURIComponent(issue.key)}&id=onthegomap_planetiler`
-                ].join('\n');
-                const args = {
-                  title: `${issue.severity} ${issue.type}`,
-                  file: issue.component.replace(/^[^:]*:/, ''),
-                  startLine: textRange.startLine,
-                  endLine: textRange.endLine,
-                  startColumn: textRange.startOffset,
-                  endColumn: textRange.endOffset
-                };
-                core.warning(message, args);
-                console.log(args);
-              } catch (e) {
-                core.error(`Unable to parse sonar issue: ${JSON.stringify(issue)}`);
-              }
-            });
+    - uses: actions/checkout@v4
+      with:
+        # Disabling shallow clone is recommended for improving relevancy of reporting
+        fetch-depth: 0
+        submodules: true
+    - name: Set up JDK 21
+      uses: actions/setup-java@v3
+      with:
+        java-version: 21
+        distribution: 'temurin'
+        cache: 'maven'
+    - name: Cache SonarCloud packages
+      uses: actions/cache@v3
+      with:
+        path: ~/.sonar/cache
+        key: ${{ runner.os }}-sonar
+        restore-keys: ${{ runner.os }}-sonar
+    - name: Analyze with SonarCloud
+      run: |
+        mvn -Dspotless.check.skip -Pcoverage -B verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar
+      env:
+        # Needed to get some information about the pull request, if any
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        # Read-only user, use this token to link SonarLint to SonarCloud as well
+        SONAR_TOKEN: c2cfe8bd7368ced07e84a620b7c2487846e220eb
+    - name: Wait for SonarCloud API to update...
+      run: "sleep 10"
+    - name: Upload annotations on PRs
+      if: ${{ github.event_name == 'pull_request' }}
+      uses: actions/github-script@v6
+      with:
+        github-token: ${{ github.token }}
+        script: |
+          const pr = context.payload.pull_request.number;
+          const url = `https://sonarcloud.io/api/issues/search?pullRequest=${pr}&s=FILE_LINE&resolved=false&sinceLeakPeriod=true&ps=100&facets=severities%2Ctypes&componentKeys=onthegomap_planetiler&organization=onthegomap&additionalFields=_all`;
+          console.log("Fetching " + url);
+          const response = await github.request(url);
+          console.log("Got " + JSON.stringify(response.data));
+          response.data.issues.forEach(issue => {
+            try {
+              if (issue.severity === 'INFO') return;
+              const textRange = issue.textRange;
+              const rule = encodeURIComponent(issue.rule);
+              const message = [
+                issue.message,
+                '',
+                `rule: ${issue.rule} (https://sonarcloud.io/organizations/onthegomap/rules?open=${rule}&rule_key=${rule})`,
+                `issue url: https://sonarcloud.io/project/issues?pullRequest=${pr}&open=${encodeURIComponent(issue.key)}&id=onthegomap_planetiler`
+              ].join('\n');
+              const args = {
+                title: `${issue.severity} ${issue.type}`,
+                file: issue.component.replace(/^[^:]*:/, ''),
+                startLine: textRange.startLine,
+                endLine: textRange.endLine,
+                startColumn: textRange.startOffset,
+                endColumn: textRange.endOffset
+              };
+              core.warning(message, args);
+              console.log(args);
+            } catch (e) {
+              core.error(`Unable to parse sonar issue: ${JSON.stringify(issue)}`);
+            }
+          });
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@ -11,12 +11,12 @@ Pull requests are welcome! Any pull request should:
 To set up your local development environment:

 - Fork the repo [setup submodules](README.md#git-submodules)
- Install Java 17 or later. You can download Java manually from [Adoptium](https://adoptium.net/installation.html) or
+- Install Java 21 or later. You can download Java manually from [Adoptium](https://adoptium.net/installation.html) or
  use:
  - [Windows installer](https://adoptium.net/installation.html#windows-msi)
  - [macOS installer](https://adoptium.net/installation.html#macos-pkg) (or `brew install --cask temurin`,
-    or `port install openjdk17-temurin`)
-  - [Linux installer](https://adoptium.net/installation/linux/) (or `apt-get install openjdk-17-jdk`)
+    or `port install openjdk21-temurin`)
+  - [Linux installer](https://adoptium.net/installation/linux/) (or `apt-get install openjdk-21-jdk`)
 - Build and run the tests ([mvnw](https://github.com/takari/maven-wrapper) automatically downloads maven the first time
  you run it):
  - on mac/linux: `./mvnw clean test`
@ -54,7 +54,7 @@ Troubleshooting:

 - If any java source files show "Cannot resolve symbol..." errors for Planetiler classes, you might need to
  select: `File -> Invalidate Caches... -> Just Restart`.
- If you see a "Project JDK is not defined" error, then choose `Setup SDK` and point IntelliJ at the Java 17 or later
+- If you see a "Project JDK is not defined" error, then choose `Setup SDK` and point IntelliJ at the Java 21 or later
  installed on your system

 ### Visual Studio Code
--- a/PLANET.md
+++ b/PLANET.md
@ -3,9 +3,9 @@
 To generate a map of the world using the
 built-in [OpenMapTiles profile](https://github.com/openmaptiles/planetiler-openmaptiles), you will need a
 machine with
-Java 17 or later installed and at least 10x as much disk space and at least 0.5x as much RAM as the `planet.osm.pbf`
+Java 21 or later installed and at least 10x as much disk space and at least 0.5x as much RAM as the `planet.osm.pbf`
 file you start from. All testing has been done using Digital Ocean droplets with dedicated
-vCPUs ([referral link](https://m.do.co/c/a947e99aab25)) and OpenJDK 17 installed through `apt`. Planetiler splits work
+vCPUs ([referral link](https://m.do.co/c/a947e99aab25)) and OpenJDK 21 installed through `apt`. Planetiler splits work
 among available CPUs so the more you have, the less time it takes.

 ### 1) Choose the Data Source
@ -84,10 +84,10 @@ To generate the tiles shown on https://onthegomap.github.io/planetiler-demo/ I u
 S3 snapshot, then ran Planetiler on a Digital Ocean Memory-Optimized droplet with 16 CPUs, 128GB RAM, and 1.17TB disk
 running Ubuntu 21.04 x64 in the nyc3 location.

-First, I installed java 17 jre and screen:
+First, I installed java 21 jre and screen:

 ```bash
-apt-get update && apt-get install -y openjdk-17-jre-headless screen
+apt-get update && apt-get install -y openjdk-21-jre-headless screen
 ```

 Then I added a script `runworld.sh` to run with 100GB of RAM:
--- a/README.md
+++ b/README.md
@ -33,7 +33,7 @@ the [OpenStreetMap Americana Project](https://github.com/ZeLonewolf/openstreetma
 To generate a map of an area using the [OpenMapTiles profile](https://github.com/openmaptiles/planetiler-openmaptiles),
 you will need:

- Java 17+ (see [CONTRIBUTING.md](CONTRIBUTING.md)) or [Docker](https://docs.docker.com/get-docker/)
+- Java 21+ (see [CONTRIBUTING.md](CONTRIBUTING.md)) or [Docker](https://docs.docker.com/get-docker/)
 - at least 1GB of free disk space plus 5-10x the size of the `.osm.pbf` file
 - at least 0.5x as much free RAM as the input `.osm.pbf` file size

--- a/planetiler-custommap/README.md
+++ b/planetiler-custommap/README.md
@ -292,15 +292,18 @@ Specific tile post processing operations for merging features may be defined:

 - `merge_line_strings` - Combines linestrings with the same set of attributes into a multilinestring where segments with
  touching endpoints are merged.
- `merge_polygons` - Combines polygons with the same set of attributes into a multipolygon where overlapping/touching polygons
+- `merge_polygons` - Combines polygons with the same set of attributes into a multipolygon where overlapping/touching
+  polygons
  are combined into fewer polygons covering the same area.

 The follow attributes for `merge_line_strings` may be set:
+
 - `min_length` - Minimum tile pixel length of features to emit, or 0 to emit all merged linestrings.
 - `tolerance` - After merging, simplify linestrings using this pixel tolerance, or -1 to skip simplification step.
 - `buffer` - Number of pixels outside the visible tile area to include detail for, or -1 to skip clipping step.

 The follow attribute for `merge_polygons` may be set:
+
 - `min_area` - Minimum area in square tile pixels of polygons to emit.

 For example:
@ -534,7 +537,7 @@ in [PlanetilerStdLib](src/main/java/com/onthegomap/planetiler/custommap/expressi
  - `<string>.replace(from, to, limit)` returns the input string with the first N occurrences of from replaced by to
  - `<string>.replaceRegex(pattern, value)` replaces every occurrence of regular expression with value from the string
    it was called on using java's
-    built-in [replaceAll](<https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/regex/Matcher.html#replaceAll(java.lang.String)>)
+    built-in [replaceAll](<https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/regex/Matcher.html#replaceAll(java.lang.String)>)
    behavior
  - `<string>.split(separator)` returns a list of strings split from the input by a separator
  - `<string>.split(separator, limit)` splits the list into up to N parts
--- a/planetiler-dist/pom.xml
+++ b/planetiler-dist/pom.xml
@ -14,6 +14,12 @@

  <properties>
    <mainClass>com.onthegomap.planetiler.Main</mainClass>
+    <!--
+    compile against an earlier version so that Main runs but can emit a more readable
+    error when running on an older version of Java
+    -->
+    <maven.compiler.source>17</maven.compiler.source>
+    <maven.compiler.target>17</maven.compiler.target>
    <image.version>${project.version}</image.version>
    <image>ghcr.io/onthegomap/planetiler:${image.version}</image>
    <assembly-phase>package</assembly-phase>
@ -54,7 +60,7 @@
          <skip>false</skip>
          <from>
            <image>
-              eclipse-temurin:17-jre
+              eclipse-temurin:21-jre
            </image>
            <platforms>
              <platform>
--- a/planetiler-dist/src/main/java/com/onthegomap/planetiler/Main.java
+++ b/planetiler-dist/src/main/java/com/onthegomap/planetiler/Main.java
@ -25,6 +25,15 @@ import org.openmaptiles.util.VerifyMonaco;
 * public static void main(String[] args)} methods of runnable classes.
 */
 public class Main {
+  static {
+    int version = Runtime.version().feature();
+    if (version < 21) {
+      System.err.println(
+        "You are using Java " + version +
+          " but Planetiler requires 21 or later, for more details on upgrading see: https://github.com/onthegomap/planetiler/blob/main/CONTRIBUTING.md");
+      System.exit(1);
+    }
+  }

  private static final EntryPoint DEFAULT_TASK = OpenMapTilesMain::main;
  private static final Map<String, EntryPoint> ENTRY_POINTS = Map.ofEntries(
--- a/planetiler-examples/README.md
+++ b/planetiler-examples/README.md
@ -4,7 +4,7 @@ This is a minimal example project that shows how to create custom maps with Plan

 Requirements:

- Java 17+ (see [CONTIRBUTING.md](../CONTRIBUTING.md))
+- Java 21+ (see [CONTIRBUTING.md](../CONTRIBUTING.md))
  - on mac: `brew install --cask temurin`
 - [Maven](https://maven.apache.org/install.html)
  - on mac: `brew install maven`
--- a/planetiler-examples/standalone.pom.xml
+++ b/planetiler-examples/standalone.pom.xml
@ -9,8 +9,8 @@

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <maven.compiler.source>17</maven.compiler.source>
-    <maven.compiler.target>17</maven.compiler.target>
+    <maven.compiler.source>21</maven.compiler.source>
+    <maven.compiler.target>21</maven.compiler.target>
    <planetiler.version>0.7-SNAPSHOT</planetiler.version>
    <junit.version>5.10.0</junit.version>
    <!-- Replace this with the main class for the profile you add -->
--- a/2
+++ b/2
@ -1 +1 @@
-Subproject commit d4aaae894b02e6feb5d1ae042bf31c1bcfa73c49
+Subproject commit 7dbbc5089e8ca5607d9c3ecf1991d35b1de5c6cf
--- a/pom.xml
+++ b/pom.xml
@ -17,8 +17,8 @@

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <maven.compiler.source>17</maven.compiler.source>
-    <maven.compiler.target>17</maven.compiler.target>
+    <maven.compiler.source>21</maven.compiler.source>
+    <maven.compiler.target>21</maven.compiler.target>
    <maven.source.excludeResources>true</maven.source.excludeResources>
    <jackson.version>2.15.3</jackson.version>
    <junit.version>5.10.0</junit.version>
@ -203,7 +203,7 @@
          </execution>
        </executions>
      </plugin>
-      <!-- require building with jdk 17 -->
+      <!-- require building with jdk 21 -->
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-enforcer-plugin</artifactId>
@ -217,7 +217,7 @@
            <configuration>
              <rules>
                <requireJavaVersion>
-                  <version>17</version>
+                  <version>21</version>
                </requireJavaVersion>
              </rules>
            </configuration>
@ -245,8 +245,18 @@
        <artifactId>maven-deploy-plugin</artifactId>
        <version>3.1.1</version>
      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.11.0</version>
+        <configuration>
+          <compilerArgs>
+            <arg>-proc:full</arg>
+          </compilerArgs>
+        </configuration>
+      </plugin>
    </plugins>
-
+    
    <pluginManagement>
      <plugins>
        <plugin>