chore(deps): bump org.apache.hadoop:hadoop-common from 3.2.4 to 3.4.0 in /other/java/hdfs3 (#7512)

* chore(deps): bump org.apache.hadoop:hadoop-common in /other/java/hdfs3

Bumps org.apache.hadoop:hadoop-common from 3.2.4 to 3.4.0.

---
updated-dependencies:
- dependency-name: org.apache.hadoop:hadoop-common
  dependency-version: 3.4.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

* add java client unit tests

* Update dependency-reduced-pom.xml

* add java integration tests

* fix

* fix buffer

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: chrislu <chris.lu@gmail.com>

2 files changed, 234 insertions, 0 deletions

diff --git a/.github/workflows/java_integration_tests.yml b/.github/workflows/java_integration_tests.yml
new file mode 100644
index 000000000..9b86d8e69
--- /dev/null
+++ b/.github/workflows/java_integration_tests.yml
@@ -0,0 +1,170 @@
+name: Java Client Integration Tests
+
+on:
+  push:
+    branches: [ master ]
+    paths:
+      - 'other/java/**'
+      - 'weed/**'
+      - '.github/workflows/java_integration_tests.yml'
+  pull_request:
+    branches: [ master ]
+    paths:
+      - 'other/java/**'
+      - 'weed/**'
+      - '.github/workflows/java_integration_tests.yml'
+
+jobs:
+  test:
+    name: Java Integration Tests
+    runs-on: ubuntu-latest
+    
+    strategy:
+      matrix:
+        java: ['11', '17']
+    
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      
+      - name: Set up Go
+        uses: actions/setup-go@v6
+        with:
+          go-version-file: 'go.mod'
+        id: go
+      
+      - name: Set up Java
+        uses: actions/setup-java@v4
+        with:
+          java-version: ${{ matrix.java }}
+          distribution: 'temurin'
+          cache: 'maven'
+      
+      - name: Build SeaweedFS
+        run: |
+          cd weed
+          go install -buildvcs=false
+          weed version
+      
+      - name: Start SeaweedFS Server
+        run: |
+          # Create clean data directory
+          export WEED_DATA_DIR="/tmp/seaweedfs-java-tests-$(date +%s)"
+          mkdir -p "$WEED_DATA_DIR"
+          
+          # Start SeaweedFS with optimized settings for CI
+          weed server -dir="$WEED_DATA_DIR" \
+            -master.raftHashicorp \
+            -master.electionTimeout=1s \
+            -master.volumeSizeLimitMB=100 \
+            -volume.max=100 \
+            -volume.preStopSeconds=1 \
+            -master.peers=none \
+            -filer -filer.maxMB=64 \
+            -master.port=9333 \
+            -volume.port=8080 \
+            -filer.port=8888 \
+            -metricsPort=9324 > seaweedfs.log 2>&1 &
+          
+          SERVER_PID=$!
+          echo "SERVER_PID=$SERVER_PID" >> $GITHUB_ENV
+          echo "WEED_DATA_DIR=$WEED_DATA_DIR" >> $GITHUB_ENV
+          echo "SeaweedFS server started with PID: $SERVER_PID"
+      
+      - name: Wait for SeaweedFS Components
+        run: |
+          echo "Waiting for SeaweedFS components to start..."
+          
+          # Wait for master
+          for i in {1..30}; do
+            if curl -s http://localhost:9333/cluster/status > /dev/null 2>&1; then
+              echo "✓ Master server is ready"
+              break
+            fi
+            echo "Waiting for master server... ($i/30)"
+            sleep 2
+          done
+          
+          # Wait for volume
+          for i in {1..30}; do
+            if curl -s http://localhost:8080/status > /dev/null 2>&1; then
+              echo "✓ Volume server is ready"
+              break
+            fi
+            echo "Waiting for volume server... ($i/30)"
+            sleep 2
+          done
+          
+          # Wait for filer
+          for i in {1..30}; do
+            if curl -s http://localhost:8888/ > /dev/null 2>&1; then
+              echo "✓ Filer is ready"
+              break
+            fi
+            echo "Waiting for filer... ($i/30)"
+            sleep 2
+          done
+          
+          echo "✓ All SeaweedFS components are ready!"
+          
+          # Display cluster status
+          echo "Cluster status:"
+          curl -s http://localhost:9333/cluster/status | head -20
+      
+      - name: Build and Install SeaweedFS Client
+        working-directory: other/java/client
+        run: |
+          mvn clean install -DskipTests -Dmaven.javadoc.skip=true -Dgpg.skip=true
+      
+      - name: Run Client Unit Tests
+        working-directory: other/java/client
+        run: |
+          mvn test -Dtest=SeaweedReadTest,SeaweedCipherTest
+      
+      - name: Run Client Integration Tests
+        working-directory: other/java/client
+        env:
+          SEAWEEDFS_TEST_ENABLED: true
+        run: |
+          mvn test -Dtest=*IntegrationTest
+      
+      - name: Run HDFS2 Configuration Tests
+        working-directory: other/java/hdfs2
+        run: |
+          mvn test -Dtest=SeaweedFileSystemConfigTest -Dmaven.javadoc.skip=true -Dgpg.skip=true
+      
+      - name: Run HDFS3 Configuration Tests
+        working-directory: other/java/hdfs3
+        run: |
+          mvn test -Dtest=SeaweedFileSystemConfigTest -Dmaven.javadoc.skip=true -Dgpg.skip=true
+      
+      - name: Display logs on failure
+        if: failure()
+        run: |
+          echo "=== SeaweedFS Server Log ==="
+          tail -100 seaweedfs.log || echo "No server log"
+          echo ""
+          echo "=== Cluster Status ==="
+          curl -s http://localhost:9333/cluster/status || echo "Cannot reach cluster"
+          echo ""
+          echo "=== Process Status ==="
+          ps aux | grep weed || echo "No weed processes"
+      
+      - name: Cleanup
+        if: always()
+        run: |
+          # Stop server using stored PID
+          if [ -n "$SERVER_PID" ]; then
+            echo "Stopping SeaweedFS server (PID: $SERVER_PID)"
+            kill -9 $SERVER_PID 2>/dev/null || true
+          fi
+          
+          # Fallback: kill any remaining weed processes
+          pkill -f "weed server" || true
+          
+          # Clean up data directory
+          if [ -n "$WEED_DATA_DIR" ]; then
+            echo "Cleaning up data directory: $WEED_DATA_DIR"
+            rm -rf "$WEED_DATA_DIR" || true
+          fi
+
diff --git a/.github/workflows/java_unit_tests.yml b/.github/workflows/java_unit_tests.yml
new file mode 100644
index 000000000..e79499b04
--- /dev/null
+++ b/.github/workflows/java_unit_tests.yml
@@ -0,0 +1,64 @@
+name: Java Client Unit Tests
+
+on:
+  push:
+    branches: [ master ]
+    paths:
+      - 'other/java/**'
+      - '.github/workflows/java_unit_tests.yml'
+  pull_request:
+    branches: [ master ]
+    paths:
+      - 'other/java/**'
+      - '.github/workflows/java_unit_tests.yml'
+
+jobs:
+  test:
+    name: Java Unit Tests
+    runs-on: ubuntu-latest
+    
+    strategy:
+      matrix:
+        java: ['8', '11', '17', '21']
+    
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      
+      - name: Set up Java
+        uses: actions/setup-java@v4
+        with:
+          java-version: ${{ matrix.java }}
+          distribution: 'temurin'
+          cache: 'maven'
+      
+      - name: Build and Install SeaweedFS Client
+        working-directory: other/java/client
+        run: |
+          mvn clean install -DskipTests -Dmaven.javadoc.skip=true -Dgpg.skip=true
+      
+      - name: Run Client Unit Tests
+        working-directory: other/java/client
+        run: |
+          mvn test -Dtest=SeaweedReadTest,SeaweedCipherTest
+      
+      - name: Run HDFS2 Configuration Tests
+        working-directory: other/java/hdfs2
+        run: |
+          mvn test -Dtest=SeaweedFileSystemConfigTest -Dmaven.javadoc.skip=true -Dgpg.skip=true
+      
+      - name: Run HDFS3 Configuration Tests
+        working-directory: other/java/hdfs3
+        run: |
+          mvn test -Dtest=SeaweedFileSystemConfigTest -Dmaven.javadoc.skip=true -Dgpg.skip=true
+      
+      - name: Upload Test Reports
+        if: always()
+        uses: actions/upload-artifact@v5
+        with:
+          name: test-reports-java-${{ matrix.java }}
+          path: |
+            other/java/client/target/surefire-reports/
+            other/java/hdfs2/target/surefire-reports/
+            other/java/hdfs3/target/surefire-reports/
+