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Editorial Team
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Asked: 2026-05-27T02:36:40+00:00

I’m using Alfresco 3.4d and imported some nodes as well as created a few

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I’m using Alfresco 3.4d and imported some nodes as well as created a few with NodeService. Today I noticed that a Lucene query by ID does sometimes return two rows instead of just one. Not all nodes show this kind of behavior.

For example, when I execute the following Lucene query in the Alfresco Node Browser, I get the result shown below: ID:"workspace://SpacesStore/96c0cc27-cb8c-49cf-977d-a966e5c5e9ca"

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How is it even possible that a query by ID can return more than one row? I tried rebuilding the Lucene index, but it didn’t help. When I delete the node, the query returns 0 rows. What can I do to remove those “ghost” nodes from the query result?

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1 Answer

  1. Editorial Team

    I also ran across this problem and asked the Alfresco support for advice. They told me that it is perfectly normal to have duplicate entries in the lucene ID field and that this is related to whether there is an ANCESTOR present or not. They recommended using the sys:node-uuid field when doing a lucene search for the node’s ID, e.g.:

    @sys\:node-uuid:f13a21dd-b020-4c70-aa21-1a0e5c89d42b
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