Try to fix javadoc issue

Author: tobiasstamann

.github/workflows/release.yml

@@ -28,10 +28,10 @@ jobs:
         run: echo ${{ secrets.GPG_SECRET_KEYS }} | base64 --decode | gpg --import --no-tty --batch --yes
 
       # Setup JDK and Maven
-      - name: Set up JDK 9
+      - name: Set up JDK 8
         uses: actions/setup-java@v1
         with:
-          java-version: 9
+          java-version: 1.8
           server-id: sonatype-nexus-staging
           server-username: OSS_CENTRAL_USERNAME # env variable for Maven Central
           server-password: OSS_CENTRAL_PASSWORD # env variable for Maven Central

example/pom.xml

@@ -93,18 +93,6 @@
                 </configuration>
             </plugin>
 
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-                <extensions>true</extensions>
-                <configuration>
-                    <instructions>
-                        <Export-Package>io.toolisticon.example.spiapexample</Export-Package>
-                    </instructions>
-                </configuration>
-            </plugin>
-
-
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>

example/service/src/main/java/io/toolisticon/example/spiapexample/service/DivisionDecimalOperationImpl.java

@@ -6,7 +6,7 @@
 
 /**
  * Implements the division decimal operation.
- * <p/>
+ * 
  * It's ok not to set the id. The full qualified class name will be used as fallback value for id.
  */
 @Service(DecimalCalculationOperation.class)

pom.xml

@@ -101,7 +101,7 @@
         <maven-processor-plugin.version>2.2.4</maven-processor-plugin.version>
         <maven-surefire-plugin.version>2.18.1</maven-surefire-plugin.version>
 
-        <maven-javadoc-plugin.version>2.10.4</maven-javadoc-plugin.version>
+        <maven-javadoc-plugin.version>3.3.1</maven-javadoc-plugin.version>
 
 
     </properties>
@@ -203,6 +203,7 @@
                         <source>${java.compile.source.version}</source>
                         <target>${java.compile.target.version}</target>
                     </configuration>
+                    <version>${maven-compiler-plugin.version}</version>
                 </plugin>
 
                 <plugin>

processor/pom.xml

@@ -56,7 +56,6 @@
                         </goals>
 
 
-
                         <configuration>
 
                             <!-- remove shaded dependenies from pom.xml -->
@@ -91,6 +90,19 @@
                 </executions>
             </plugin>
 
+            <!-- needed to fix build due to generated classes in api -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>${maven-javadoc-plugin.version}</version>
+                <configuration>
+                    <show>private</show>
+                    <sourcepath>
+                        ${project.basedir}/target/generated-sources/annotations;${project.basedir}/src/main/java
+                    </sourcepath>
+                </configuration>
+            </plugin>
+
             <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration combine.self="append">