[WIP][CI] Enable Java test in CI workflow

.github/workflows/pr.yaml

@@ -20,6 +20,7 @@ jobs:
       - conda-cpp-checks
       - conda-python-build
       - conda-python-tests
+      - conda-java-tests
       - docs-build
       - rust-build
       - go-build
@@ -73,6 +74,18 @@ jobs:
           - '!rust/**'
           - '!go/**'
           - '!thirdparty/LICENSES/**'
+        test_java:
+          - '**'
+          - '!.devcontainer/**'
+          - '!.pre-commit-config.yaml'
+          - '!README.md'
+          - '!docs/**'
+          - '!img/**'
+          - '!notebooks/**'
+          - '!python/**'
+          - '!rust/**'
+          - '!go/**'
+          - '!thirdparty/LICENSES/**'
         test_notebooks:
           - '**'
           - '!.devcontainer/**'
@@ -134,6 +147,17 @@ jobs:
     if: fromJSON(needs.changed-files.outputs.changed_file_groups).test_python
     with:
       build_type: pull-request
+  conda-java-tests:
+    needs: [conda-cpp-build, changed-files]
+    secrets: inherit
+    uses: rapidsai/shared-workflows/.github/workflows/[email protected]
+    if: fromJSON(needs.changed-files.outputs.changed_file_groups).test_java
+    with:
+      build_type: pull-request
+      node_type: "gpu-l4-latest-1"
+      arch: "amd64"
+      container_image: "rapidsai/ci-conda:latest"
+      run_script: "ci/test_java.sh"
   docs-build:
     needs: conda-python-build
     secrets: inherit

.github/workflows/test.yaml

@@ -43,6 +43,18 @@ jobs:
       branch: ${{ inputs.branch }}
       date: ${{ inputs.date }}
       sha: ${{ inputs.sha }}
+  conda-java-tests:
+    secrets: inherit
+    uses: rapidsai/shared-workflows/.github/workflows/[email protected]
+    with:
+      build_type: ${{ inputs.build_type }}
+      branch: ${{ inputs.branch }}
+      date: ${{ inputs.date }}
+      sha: ${{ inputs.sha }}
+      node_type: "gpu-l4-latest-1"
+      arch: "amd64"
+      container_image: "rapidsai/ci-conda:latest"
+      run_script: "ci/test_java.sh"
   wheel-tests-cuvs:
     secrets: inherit
     uses: rapidsai/shared-workflows/.github/workflows/[email protected]

ci/test_java.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+# Copyright (c) 2022-2025, NVIDIA CORPORATION.
+
+set -euo pipefail
+
+. /opt/conda/etc/profile.d/conda.sh
+
+rapids-logger "Downloading artifacts from previous jobs"
+CPP_CHANNEL=$(rapids-download-conda-from-s3 cpp)
+
+rapids-logger "Generate Java testing dependencies"
+
+ENV_YAML_DIR="$(mktemp -d)"
+
+rapids-dependency-file-generator \
+  --output conda \
+  --file-key test_java \
+  --prepend-channel "${CPP_CHANNEL}" \
+  --matrix "cuda=${RAPIDS_CUDA_VERSION%.*};arch=$(arch)" | tee "${ENV_YAML_DIR}/env.yaml"
+
+rapids-mamba-retry env create --yes -f "${ENV_YAML_DIR}/env.yaml" -n test
+
+export CMAKE_GENERATOR=Ninja
+
+# Temporarily allow unbound variables for conda activation.
+set +u
+conda activate test
+set -u
+
+rapids-print-env
+
+rapids-logger "Check GPU usage"
+nvidia-smi
+
+EXITCODE=0
+trap "EXITCODE=1" ERR
+set +e
+
+rapids-logger "Run Java tests"
+bash ./build.sh java
+pushd java/cuvs-java/
+mvn test -B
+popd
+
+rapids-logger "Test script exiting with value: $EXITCODE"
+exit ${EXITCODE}

dependencies.yaml

@@ -62,6 +62,14 @@ files:
       - depends_on_libcuvs
       - depends_on_cuvs
       - depends_on_cuvs_bench
+  test_java:
+    output: none
+    includes:
+      - cuda
+      - cuda_version
+      - rapids_build
+      - depends_on_libcuvs
+      - test_java
   checks:
     output: none
     includes:
@@ -552,6 +560,14 @@ dependencies:
       - output_types: [conda, requirements, pyproject]
         packages:
           - scikit-learn
+  test_java:
+    common:
+      - output_types: conda
+        packages:
+          - *cmake_ver
+          - maven
+          - openjdk=22.*
+          - boost
   bench:
     common:
       - output_types: [conda, pyproject, requirements]

java/cuvs-java/pom.xml

@@ -271,31 +271,6 @@
                 </execution>
             </executions>
         </plugin>
-        <plugin>
-            <groupId>org.apache.maven.plugins</groupId>
-            <artifactId>maven-gpg-plugin</artifactId>
-            <version>1.5</version>
-            <executions>
-                <execution>
-                    <id>sign-artifacts</id>
-                    <phase>verify</phase>
-                    <goals>
-                        <goal>sign</goal>
-                    </goals>
-                </execution>
-            </executions>
-        </plugin>
-        <plugin>
-            <groupId>org.sonatype.plugins</groupId>
-            <artifactId>nexus-staging-maven-plugin</artifactId>
-            <version>1.6.7</version>
-            <extensions>true</extensions>
-            <configuration>
-                <serverId>ossrh</serverId>
-                <nexusUrl>https://oss.sonatype.org/</nexusUrl>
-                <autoReleaseAfterClose>false</autoReleaseAfterClose>
-            </configuration>
-        </plugin>
         </plugins>
     </build>