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Understanding the Solr Search functionality in Enterprise Server

Understanding the Solr Search functionality in Enterprise Server

This article explains how Solr Search stores data in its index and how a search string is compared with the data in the index.

Use this information to see if the Solr settings need to be adjusted to provide the end users with better search results.

How data is stored in the index

Any object in Enterprise (such as an article or a layout) is stored with various types of meta data. This data is also indexed by Solr for quick access whenever a search is performed.

This data is stored in different ways:

  • Without change (such as the Issue ID)
  • Split into 'tokens' (such as a file name or the slug line) by using white spaces and punctuation characters as delimiters.

Example: The following sentence:

"Please, email john.doe@foo.com by 03-09, re: m37-xq."

is split into the following tokens:

"Please", "email", "john.doe@foo.com", "by", "03-09", "re", "m37-xq"

By default, the maximum token length varies between 4 and 15 characters, meaning that tokens containing more characters are not included in the search results.

The content in which Solr searches

Another aspect of Solr which might influence the search results is that only the following types of content are referenced:

  • Slugline
  • Name
  • Description
  • Plain content
  • Keywords

When a search term is used which is not part of these types of content, the search result turns op empty.

Using the Solr Analyze tool

The Solr Analyze tool can be used for analyzing how Solr interprets and processes a search query.

Note: The Analyze tool is not really looking in Solr but is a simulation only.

Testing the Solr integration

To test with the actual Solr index of your Enterprise installation, perform the following steps:

Info: These steps apply to Solr 3.6 only.

Step 1. Open the admin page of Solr in a Web browser.


Step 2. In the Query String field enter your search string.

Example: '1234'.

Step 3. Click Search.

The result will be in XML format, starting with the query and followed by the number of hits.

Solr 3.6 search results

The hits refer to documents within Solr so it should be the same as what you see in the client such as Content Station.


Analyze Solr to see if Solr is returning results. If you have hits in Solr but you do not see any result in the client then this could indicate a technical issue. If so, please contact WoodWing Support.

However, be aware of the fact that Enterprise not only takes the search string into account but also the selected Brand, Issue, and so on. The real query is therefore probably more complex.

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