Update snapshot access to Central Portal

Author: cowtowncoder

.github/workflows/main.yml

@@ -30,7 +30,7 @@ jobs:
         distribution: 'temurin'
         java-version: ${{ matrix.java_version }}
         cache: 'maven'
-        server-id: sonatype-nexus-snapshots
+        server-id: central-snapshots
         server-username: CI_DEPLOY_USERNAME
         server-password: CI_DEPLOY_PASSWORD
         # See https://github.com/actions/setup-java/blob/v2/docs/advanced-usage.md#Publishing-using-Apache-Maven
@@ -44,8 +44,8 @@ jobs:
     - name: Deploy snapshot
       if: ${{ github.event_name != 'pull_request' && matrix.java_version == '8' && endsWith(steps.projectVersion.outputs.version, '-SNAPSHOT') }}
       env:
-        CI_DEPLOY_USERNAME: ${{ secrets.CI_DEPLOY_USERNAME }}
-        CI_DEPLOY_PASSWORD: ${{ secrets.CI_DEPLOY_PASSWORD }}
+        CI_DEPLOY_USERNAME: ${{ secrets.CENTRAL_DEPLOY_USERNAME }}
+        CI_DEPLOY_PASSWORD: ${{ secrets.CENTRAL_DEPLOY_PASSWORD }}
         # MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
       run: ./mvnw -B -q -ff -DskipTests -ntp source:jar deploy
     - name: Generate code coverage

pom.xml

@@ -198,13 +198,13 @@ alternative support for serializing POJOs as XML and deserializing XML as pojos.
     </plugins>
   </build>
 
-  <!-- Alas, need to include snapshot reference since otherwise can not find
-       snapshot of parent... -->
+  <!-- Need to include snapshot reference to find snapshot of parent -->
   <repositories>
+    <!-- 13-May-2025, tatu: now access snapshots via Central Portal -->
     <repository>
-      <id>sonatype-nexus-snapshots</id>
-      <name>Sonatype Nexus Snapshots</name>
-      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+      <id>central-snapshots</id>
+      <name>Sonatype Central Portal (snapshots)</name>
+      <url>https://central.sonatype.com/repository/maven-snapshots</url>
       <releases><enabled>false</enabled></releases>
       <snapshots><enabled>true</enabled></snapshots>
     </repository>