diff --git a/extensions/pom.xml b/extensions/pom.xml
index 6280bd461..47a176d4e 100644
--- a/extensions/pom.xml
+++ b/extensions/pom.xml
@@ -25,5 +25,38 @@
         <module>pc-axis</module>
         <!-- Add new extensions here -->
   </modules>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.jacoco</groupId>
+        <artifactId>jacoco-maven-plugin</artifactId>
+        <version>0.8.2</version>
+        <executions>
+            <execution>
+                <id>prepare-agent</id>
+                <goals>
+                    <goal>prepare-agent</goal>
+                </goals>
+                <phase>process-test-resources</phase>
+                <configuration>
+                    <destFile>${project.parent.build.directory}/report/${project.name}.exec</destFile>
+                    <propertyName>surefireArgs</propertyName>
+                </configuration>
+            </execution>
+            <execution>
+                <phase>test</phase>
+                <goals>
+                    <goal>report</goal>
+                </goals>
+                <configuration>
+                    <dataFile>${project.parent.build.directory}/report/${project.name}.exec</dataFile>
+                    <outputDirectory>${project.reporting.outputDirectory}/jacoco</outputDirectory>
+                </configuration>
+            </execution>
+         </executions>
+       </plugin>
+     </plugins>
+   </build>
 </project>
 
diff --git a/pom.xml b/pom.xml
index 54be40d26..e977c7148 100644
--- a/pom.xml
+++ b/pom.xml
@@ -107,7 +107,7 @@
                 </goals>
                 <phase>process-test-resources</phase>
                 <configuration>
-                    <destFile>${project.build.directory}/report/jacoco.xml</destFile>
+                    <destFile>${project.build.directory}/report/jacoco.exec</destFile>
                     <propertyName>surefireArgs</propertyName>
                 </configuration>
             </execution>
@@ -117,11 +117,36 @@
                     <goal>report</goal>
                 </goals>
                 <configuration>
-                    <dataFile>${project.build.directory}/report/jacoco.xml</dataFile>
+                    <dataFile>${project.build.directory}/report/jacoco.exec</dataFile>
                     <outputDirectory>${project.reporting.outputDirectory}/jacoco</outputDirectory>
                 </configuration>
             </execution>
+            <execution>
+                <id>merge</id>
+                <goals>
+                     <goal>merge</goal>
+                </goals>
+                <phase>prepare-package</phase>
+             </execution>
         </executions>
+               <configuration>
+                     <destFile>${project.build.directory}/report/jacoco-merged.exec</destFile>
+                     <fileSets>
+                        <fileSet>
+                            <directory>${project.build.directory}/report</directory>
+                            <includes>
+                                <include>jacoco.exec</include>
+                            </includes>
+                        </fileSet>
+                        <fileSet>
+                            <directory>extensions/target/report</directory>
+                            <includes>
+                                <include>*.exec</include>
+                            </includes>
+                        </fileSet>
+                     </fileSets> 
+                </configuration>
+
       </plugin>
 
     </plugins>