try this

Author: mkleene

pom.xml

@@ -23,6 +23,7 @@
         <sonar.java.coveragePlugin>jacoco</sonar.java.coveragePlugin>
         <sonar.dynamicAnalysis>reuseReports</sonar.dynamicAnalysis>
         <sonar.language>java</sonar.language>
+        <sonar.jacoco.reportPaths>${project.build.directory}/sdk/target/site/jacoco/jacoco.xml</sonar.jacoco.reportPaths>
     </properties>
     <licenses>
         <license>
@@ -380,18 +381,6 @@
                                     <goal>report</goal>
                                 </goals>
                             </execution>
-                            <execution>
-                                <id>post-test-report</id>
-                                <phase>prepare-package</phase>
-                                <goals>
-                                    <goal>report</goal>
-                                </goals>
-                                <configuration>
-                                    <formats>
-                                        <format>XML</format>
-                                    </formats>
-                                </configuration>
-                            </execution>
                         </executions>
                     </plugin>
                 </plugins>

sdk/pom.xml

@@ -579,30 +579,6 @@
                             </execution>
                         </executions>
                     </plugin>
-                    <plugin>
-                        <groupId>org.jacoco</groupId>
-                        <artifactId>jacoco-maven-plugin</artifactId>
-                        <version>0.8.13</version>
-                        <executions>
-                            <execution>
-                                <goals>
-                                    <goal>prepare-agent</goal>
-                                </goals>
-                            </execution>
-                            <execution>
-                                <id>report</id>
-                                <phase>prepare-package</phase>
-                                <goals>
-                                    <goal>report</goal>
-                                </goals>
-                                <configuration>
-                                    <formats>
-                                        <format>XML</format>
-                                    </formats>
-                                </configuration>
-                            </execution>
-                        </executions>
-                    </plugin>
                 </plugins>
             </build>
         </profile>