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A
Airtash
New Participant
March 5, 2019
Solved

Custom Replication Agent problem

  • March 5, 2019
  • 6 replies
  • 9668 views

Hi everyone! Im new with adobe aem, actually Im working with 6.4 and Im trying to create a custom replication agent.

My problem is that when I build the code into aem and select the "Serialization Type" into the agent it fail and I receiving
"Agent is not valid. ContentBuilder not available"

I have following the next steps:

>I have tried creating a new agent, add the serialization type (custom) and fail.

>Copying from an existing agent, and also fails.

Im implementing ContentBuilder and TransportHandler, I just have only some logs into the implemented methods,I already have looked into Nate Yolles example

http://www.nateyolles.com/blog/2016/01/aem-akamai-custom-replication-agent

Im not copying the code because I want to understand how it works, also I have noticed there are some deprecated features in the annotations used in this example,

I have fix that, but Im not sure at all if the new annotations are causing the problem, also I have checked some documentation but so far it was not very helpful.

Im only using the @component annotation as you can see in the following code Im currently using:

Any sort of help highly appreciated.

Thanks in advance!.

------------------------------- TRANSPORT HANDLER ------------------------------------------------

@Component(name = "Custom Agent",immediate = true, enabled = true)

public class MyTransportHandler implements TransportHandler {

public boolean canHandle(AgentConfig config) {

log.info("+++++FROM CANHANDLE!!++++++");

return true;

}

public ReplicationResult deliver(TransportContext ctx, ReplicationTransaction tx) throws ReplicationException {

        ReplicationActionType replicationType = tx.getAction().getType();

        log.info("+++++FROM DELIVER!!++++++");

return ReplicationResult.OK;

}

---------------------------------------------CONTENTBUILDER-----------------------------------------------

@Component (service = ContentBuilder.class, enabled = true, name = "name")

public class TestContentBuilder implements ContentBuilder{

public ReplicationContent create(Session arg0, ReplicationAction arg1, ReplicationContentFactory arg2)

            throws ReplicationException {

        // TODO Auto-generated method stub

        return create(arg0,arg1,null);

    }

    @Override

    public ReplicationContent create(Session session, ReplicationAction action, ReplicationContentFactory factory,

            Map<String, Object> parameters) throws ReplicationException {

  log.info("---- FROM CONTENT BUILDER -----");

return ReplicationContent.VOID;

    }

@Override

    public String getName() {

        // TODO Auto-generated method stub

        return "Test AK";

    }

    @Override

    public String getTitle() {

        // TODO Auto-generated method stub

        return "Test AK Description";

    }   

--------------------------------------------------------------------------------------------------------------------

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    Best answer by Gaurav-Behl

    My recommendation would be to copy-paste code and make it compile without any issues to isolate multiple issues (libraries vs AEM-version vs archetype vs your own source code related issues) that you're trying to deal with in a single shot. Once it compiles and you're able to test it then tweak per your requirements.

    I copied that code as-is, modified a couple of libs in pom.xml and I don't see any ContentBuilder related error.

    6 replies

    V
    vivekanand-mish
    Employee
    December 6, 2019

    This is correct answer. The agent must have this - property = { "name=akamai", "service.ranking:Integer=1001" }

      P
      pradeepdubey82
      New Participant
      March 30, 2019

      Thank you Airtash. It worked.

        smacdonald2008
        smacdonald2008
        New Participant
        March 29, 2019

        Additional info on AEM Replication API can be going here

        Adobe Experience Manager Help | Replicating Adobe Experience Manager Content using the Replication API

          A
          AirtashAuthor
          New Participant
          March 29, 2019

          Just add the following annotation in the class ContentBuilder.

          @Component (service = ContentBuilder.class, enabled = true,property={"name=akamai",Constants.SERVICE_RANKING +":Integer=1001"})

          public class AkamaiContentBuilder implements ContentBuilder {

          }

          for TransportHandler

          @Component(service = TransportHandler.class,immediate = true, enabled = true,property={Constants.SERVICE_RANKING +":Integer=1001"})

          public class AkamaiTransportHandler implements TransportHandler {

          }

          Also there are other helpful links that explain the new annotations.

          https://forums.adobe.com/message/10671360#10671360

          http://www.sgaemsolutions.com/2017/07/migration-of-scr-annotations-to-osgi-r6.html

          http://www.nateyolles.com/blog/2017/05/osgi-declarative-services-annotations-in-aem

          Re: AEM 6.4 beta, Apache Sling JCR Resource Resolver not present

            P
            pradeepdubey82
            New Participant
            March 28, 2019

            Hi,

            I am also facing same issue,

            • Agent is not valid. ContentBuilder not available

            created multi module aem project using archetype 15. Below is my content builder code

            @Component(name="Custom Content Builder", service=ContentBuilder.class)

            public class CustomContentBuilder implements ContentBuilder {

            private static final Logger LOGGER = LoggerFactory.getLogger(CustomContentBuilder.class);

            @Reference

                private ResourceResolverFactory resolverFactory;

            public static final String NAME = "Custom Content Builder";

            public static final String TITLE = "Custom Content Builder";

              public ReplicationContent create(Session session, ReplicationAction action,

               ReplicationContentFactory factory) throws ReplicationException {

              LOGGER.info("Inside create!!!");

              return ReplicationContent.VOID; 

            }

            public String getName() {

            LOGGER.info("Inside getName!!!");

              return TITLE;

            }

            public String getTitle() {

            LOGGER.info("Inside getTitle!!!");

              return TITLE;

            }

            public ReplicationContent create(Session session, ReplicationAction action,

               ReplicationContentFactory factory, Map<String, Object> arg3){

            LOGGER.info("Inside create new!!!");

            LOGGER.info("Action type ::: "+action.getType());

            String pagePath = action.getPath();

            LOGGER.info("Page Path ::: "+pagePath);

            try {

            Map<String, Object> authenticationInfo = new HashMap<>();

            authenticationInfo.put(JcrResourceConstants.AUTHENTICATION_INFO_SESSION, session);

            ResourceResolver resourceResolver = resolverFactory.getResourceResolver(authenticationInfo);

            Page page = resourceResolver.getResource(pagePath).adaptTo(Page.class);

            LOGGER.info("Page original path ::: "+page.getPath());

            } catch(Exception ex) {

            LOGGER.error("Error in create ::: ", ex);

            }

              return ReplicationContent.VOID;

            }

            }

            Please advise what dependencies you have modified to make it working?

            Thanks,

            Pradeep

              Gaurav-Behl
              Gaurav-BehlAccepted solution
              New Participant
              March 7, 2019

              My recommendation would be to copy-paste code and make it compile without any issues to isolate multiple issues (libraries vs AEM-version vs archetype vs your own source code related issues) that you're trying to deal with in a single shot. Once it compiles and you're able to test it then tweak per your requirements.

              I copied that code as-is, modified a couple of libs in pom.xml and I don't see any ContentBuilder related error.

                N
                nithindasyam
                New Participant
                February 18, 2021
                What libs did you modify in the pom.xml?
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