adding main class to manifest for examples

Author: MarkWolters

.github/workflows/run-bench.yml

@@ -57,7 +57,7 @@ jobs:
           java ${{ matrix.jdk >= 20 && '--enable-native-access=ALL-UNNAMED --add-modules=jdk.incubator.vector' || '' }} \
             ${{ matrix.jdk >= 22 && '-Djvector.experimental.enable_native_vectorization=true' || '' }} \
             -Xmx4G -jar jvector-examples/target/jvector-examples-*-jar-with-dependencies.jar \
-            io.github.jbellis.jvector.example.Bench --output bench-results.json
+            --output bench-results.json
 
       - name: Upload Bench Results
         uses: actions/upload-artifact@v4

jvector-examples/pom.xml

@@ -32,6 +32,11 @@
                     <descriptorRefs>
                         <descriptorRef>jar-with-dependencies</descriptorRef>
                     </descriptorRefs>
+                    <archive>
+                        <manifest>
+                            <mainClass>io.github.jbellis.jvector.example.Bench</mainClass>
+                        </manifest>
+                    </archive>
                 </configuration>
                 <executions>
                     <execution>