Merge branch 'release/34.x'

* release/34.x:
  No issue: Cancel running builds when a new one on the same branch is triggered
  No issue: Try deploying Maven artifacts
  No issue: Try deploying Maven artifacts
  No issue: Try deploying Maven artifacts
  No issue: Try deploying Maven artifacts

.github/workflows/maven.yml

@@ -1,11 +1,3 @@
-# This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
-# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-maven
-
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-
 name: Java CI with Maven
 
 on:
@@ -14,6 +6,10 @@ on:
   pull_request:
     branches: [ "main", "release/**" ]
 
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     strategy:
@@ -36,6 +32,14 @@ jobs:
         java-version: ${{ matrix.jdk }}
         distribution: 'temurin'
         cache: maven
+        server-id: ukp-oss-snapshots
+        server-username: MAVEN_USERNAME
+        server-password: MAVEN_PASSWORD
+
+    - name: Set up Maven
+      uses: stCarolas/setup-maven@v5
+      with:
+        maven-version: 3.9.9
 
     - name: Set up cache date
       run: echo "CACHE_DATE=$(date +'%Y-%m-%d')" >> $GITHUB_ENV
@@ -50,9 +54,18 @@ jobs:
           ${{ runner.os }}-maven-
 
     - name: Build with Maven
-      run: mvn --no-transfer-progress -B clean verify --file pom.xml
+      if: "!(matrix.os == 'ubuntu-latest' && github.event_name != 'pull_request')"
+      run: mvn --show-version --batch-mode --no-transfer-progress clean verify
+
+    - name: Build with Maven and publish artifacts
+      if: matrix.os == 'ubuntu-latest' && github.event_name != 'pull_request'
+      env:
+        # `MAVEN_USERNAME` and `MAVEN_PASSWORD` are used in `~/.m2/settings.xml` created by `setup-java` action
+        MAVEN_USERNAME: ${{ secrets.UKP_MAVEN_USER }}
+        MAVEN_PASSWORD: ${{ secrets.UKP_MAVEN_TOKEN }}
+      run: mvn --show-version --batch-mode --errors --no-transfer-progress -DdeployAtEnd=true -DskipTests clean deploy
 
-    - name: Upload Artifacts
+    - name: Capture build artifacts
       if: matrix.os == 'ubuntu-latest'
       uses: actions/upload-artifact@v4
       with:

pom.xml

@@ -64,6 +64,10 @@
       <id>ukp-oss</id>
       <url>https://zoidberg.ukp.informatik.tu-darmstadt.de/artifactory/public-ukp-releases-local</url>
     </repository>
+    <snapshotRepository>
+      <id>ukp-oss-snapshots</id>
+      <url>https://zoidberg.ukp.informatik.tu-darmstadt.de/artifactory/public-ukp-snapshots-local</url>
+    </snapshotRepository>
   </distributionManagement>
 
   <properties>