The following sections provide solutions to common problems when working with Solr.
Changing the port
Port xxxx is already used, how do I change the port?
Do one of the following:
- Tomcat: Open <tomcat path>/conf/server.xml. Search for <Connector port=’xxxx’ and change this to the desired port.
- Jetty: Open <jetty path>/etc/server.xml. Search for <Set name=”port”><SystemProperty name=”jetty.port” default=”xxxx”/></Set> and change this to the desired port.
No results returned
Issue #1: I fill in an ‘a’ in the search field in Content Station, but I don’t get any results. I am sure though that I have content containing an ‘a’.
Analysis: The Solr installation contains a file name stopwords.txt. In here, all words are listed that are not indexed.
Solution: Make sure that the stopwords.txt file does not contain any phrases that should be excluded from the indexing process.
Issue #2: Everything seems to be fine: all objects are indexed, Solr is running, the Health Check page says everything is okay and I fill in text that should give results. But still I don’t receive any results, let alone facets.
Try re-indexing the objects in Enterprise Server.
Issue #3: When searching on terms with accents, no results are returned.
Make sure that the URIEncoding=”UTF-8” setting is included in the <tomcat path>/conf/server.xml file.
Issue #4: Entering a search term shorter than 4 characters or longer than 15 characters, no result is returned.
In case of a long search term you can split the term in two separate terms, each shorter than 15 characters. Another solution can be to change the schema.xml. Look for <filter class=”solr.NGramFilterFactory” minGramSize=”4” maxGramSize=”15”/> and adjust the minimum and maximum values.
Note: Re-index your database afterwards.
Objects not indexed
Issue: The Health Check page shows OK but objects aren’t indexed.
Analysis: The Solr plug-in is probably not installed or enabled.
Solution: Verify the Enterprise Server Plug-ins page.
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