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Riju-Mahna
Riju-Mahna
Level 2
November 27, 2017
Solved

AEM TagManager Find() operation

  • November 27, 2017
  • 4 replies
  • 3718 views

The find() method from com.day.cq.tagging.TagManager returns content even after the tag has been moved to a new name.

For example:

1. Create a tag "myNamespace:folder/tag"

2. Add this to a page under Geometrixx website

3. Run tagManager.find("/content/", new String[]{"myNamespace:folder/tag"});

4 .You will get 1 result (page tagged in step 2 above)

5. Move this tag to "myNamespace:folder/newTag"

5-B- Verify in CRX, the page shows the new tag now.

6. Again Run tagManager.find("/content/", new String[]{"myNamespace:folder/tag"});

7. This STILL returns the same page from step2 . Even though the tag has been moved and new name id present in CRX also.

Is this a bug in the OOTB functionality or am I missing something?

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Best answer by joerghoh

The tag management implementation is a bit weird. Yeah, renaming might cause this behavior. Can you run the Tag Garbage Collector and check again afterwards?

Building Tagging into an AEM Application

Jörg

4 replies

joerghoh
Adobe Employee
joerghohAdobe Employee
Adobe Employee
November 27, 2017

Internally it is implemented using a JCR query; depending on the index type (property or Lucene index) there might a small lag between a change in the JCR and the time when this change gets reflected in the index. Typically it should not exceed 5 seconds. If your lag is larger, please check your log if you have any messages about indexing issues.

Jörg

Riju-Mahna
Riju-MahnaAuthor
Level 2
November 27, 2017

Hi Jorg,

Thanks for your response.

There is no delay or errors in logs. I tried this in a vanilla 6.2 instance as well.

The logs printed :

27.11.2017 16:05:34.680 *INFO* [127.0.0.1 [1511816734671] POST /bin/tagcommand HTTP/1.1] com.day.cq.tagging.impl.JcrTagManagerImpl moving tag from /etc/tags/forum/topic/new-answer to /etc/tags/forum/topic/no-answer

27.11.2017 16:05:34.685 *INFO* [127.0.0.1 [1511816734671] POST /bin/tagcommand HTTP/1.1] com.day.cq.tagging.impl.JcrTagManagerImpl keeping hidden old version of tag at /etc/tags/forum/topic/new-answer

Both old and new tags are preserved by AEM. Old tag "new-answer" got a property 'cq:movedTo' while the new tag "no-answer" got the property 'cq:backlinks'

Are these properties causing this anomaly ?

joerghoh
Adobe Employee
joerghohAdobe EmployeeAccepted solution
Adobe Employee
November 27, 2017

The tag management implementation is a bit weird. Yeah, renaming might cause this behavior. Can you run the Tag Garbage Collector and check again afterwards?

Building Tagging into an AEM Application

Jörg

S
sathishr8555360
May 29, 2019

Hi Jorg,

I am also facing the same issue on 6.4, But running the Tag Garbage Collector and check again afterwards is not working in my case. I configured the garbage collector to every minute and tried to repeat the steps. Page Jcr:content property cq:tags are not updated as to the moved/updated tag path.

Could you please help on this?

ThanksSathish

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