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A
aembee
Level 3
March 30, 2020
Solved

Not able to get Resource Resolver

  • March 30, 2020
  • 3 replies
  • 11323 views

Hi,

I am trying to read excel file and write it's content into JCR under content folder. For that, I am using ACS AEM Commons Ensure user. I could see that my service user is created and it has root read and content write access. However, I'm not able to create resource resolver object and get the session. I tried to debug the code, when my debugger reaches below step, nothing happens and debugger doesn't move further. 

resourceResolver = resourceResolverFactory.getResourceResolver(authInfo); 

I don't even see any errors in the logs. Below is the method in which I am trying to get the resource resolver object. Thanks in advance.

private Session getSession() throws LoginException {

   ResourceResolver resourceResolver;
   Session session = null;


   final Map<String, Object> authInfo = Collections.singletonMap(ResourceResolverFactory.SUBSERVICE, (Object) "excel-service-user");
   resourceResolver = resourceResolverFactory.getServiceResourceResolver(authInfo);

   session = resourceResolver.adaptTo(Session.class);

   logger.info("####### session ######### : " + session.getUserID());

   return session;
}

 

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Best answer by kautuk_sahni

Reply from @aembee 

The issue is resolved. I was trying to register service user for com.<myapp>.core as below code, but my OSGi bundle symbolic name was core only, however, I'm not sure why bundle name didn't have artifact id. Ideally, BSN should have GroupID+ ArtifactID or ArtifactID. 

 user.mapping="com.<myapp>.core:excel-service-user=excel-service-user"/>

3 replies

Theo_Pendle
Theo_Pendle
Level 8
March 30, 2020

Hi, 

 

This is not anything I've seen before unless you've made some configuration error. I do have one question though. If the data you are trying to manipulate is under the /content node, why are you using a service user (especially with root access)? Would it not be simpler and safer to use the session?

    A
    aembeeAuthor
    Level 3
    March 30, 2020

    I'm trying to write the data into jcr node. I am reading an excel file from dam, parsing the data into model and then write the data under /content/<my_folder>. To write the data into jcr, I need service user.

    BrianKasingli
    Community Advisor and Adobe Champion
    BrianKasingliCommunity Advisor and Adobe Champion
    Community Advisor and Adobe Champion
    March 30, 2020

    @aembee,

    Your source code looks correct. It seems like you might be having a system user and Apache Sling User Mapping Situation. Have you set up the Apache sling Service User Mapper Service Amendment Factory configuration? com.mysite.core:excel-service-user=my-system-user or the System User + ACL permissions? 

    You're in luck. There is a step by step guide on how you can set up these two configurations: http://www.aemcq5tutorials.com/tutorials/create-system-user-in-aem

      A
      aembeeAuthor
      Level 3
      March 30, 2020

      Hi,

      I have already configured the user under apps/<my app>/config/com.adobe.acs.commons.users.impl.EnsureServiceUser-excelServiceUser.xml

      <?xml version="1.0" encoding="UTF-8"?>
      <jcr:root xmlns:sling="http://sling.apache.org/jcr/sling/1.0" xmlns:jcr="http://www.jcp.org/jcr/1.0"
          jcr:primaryType="sling:OsgiConfig"
          aces="[type=allow;privileges=jcr:read\,rep:write;path=/content;rep:glob=/jcr:content/*]"
          ensure-immediately="{Boolean}true"
          principalName="excel-service-user"
          type="add"/>

      org.apache.sling.serviceusermapping.impl.ServiceUserMapperImpl.amended-excelServiceUser.xml

       

      <?xml version="1.0" encoding="UTF-8"?>
      <jcr:root xmlns:sling="http://sling.apache.org/jcr/sling/1.0" xmlns:jcr="http://www.jcp.org/jcr/1.0"
          jcr:primaryType="sling:OsgiConfig"
          service.ranking="{Long}0"
          user.mapping="com.<myapp>.core:excel-service-user=excel-service-user"/>

      Thanks!

      kautuk_sahni
      Community Manager
      kautuk_sahniCommunity ManagerAccepted solution
      Community Manager
      August 10, 2020

      Reply from @aembee 

      The issue is resolved. I was trying to register service user for com.<myapp>.core as below code, but my OSGi bundle symbolic name was core only, however, I'm not sure why bundle name didn't have artifact id. Ideally, BSN should have GroupID+ ArtifactID or ArtifactID. 

       user.mapping="com.<myapp>.core:excel-service-user=excel-service-user"/>
      Kautuk Sahni
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