Before we start installing Solr instance on any machine, we should be clear on few concepts.
- What is Solr?
- Solr is Apache's product and a fast open-source Java search server.
- Why we need it?
- Solr enables you to easily create search engine for websites, databases and files.
- How can we install it?
Option 1(for Windows machines) - - You can download any version of Solr from http://archive.apache.org/dist/lucene/solr/.
Steps to install after it is downloaded-
- Extract the downloaded Solr package and copy it on C or D drive
- Please make sure latest version of Java is installed on machine.
- You can start Solr instance by below command:
java -jar start.jar - By default, Solr will run on port 8983. However you can change it ../etc/Jetty.xml file. Look for <set name="port"><SystemProperty name="jetty.port" default="8983"></set> and change it.
- You can keep the below command in .bet file and run it automatically.
C:\solr-6.1.0\bin\solr" restart -h localhost -p 8984
Option 2(for Mac machines)
> brew install solr
Once installed, it should start solr on default port 8983.
Once installed, it should start solr on default port 8983.
Option 3 (using docker images) -
> docker pull solr
Once docker image is pulled,
> docker run -p 8983:8983 solr:latest
This should start solr on your local machine and accessible on http://localhost:8983/solr
> docker pull solr
Once docker image is pulled,
> docker run -p 8983:8983 solr:latest
This should start solr on your local machine and accessible on http://localhost:8983/solr
- Common issue of Solr and how to solve it?
When you start creating collections in Solr, you may face this issue on Solr.
new_core: org.apache.solr.common.SolrException:org.apache.solr.common.SolrException: Could not load conf for core new_core: Error loading solr config from /var/solr/data/new_core/conf/solrconfig.xml
Solution:
Copy the folder '/opt/solr/server/solr/configsets/_default/conf' and paste it in '/var/solr/data/new_core/' folder. Once copied, now create the collection with same name('new_core' in this case) and change schema value from 'schema.xml' to 'managed-schema'. It should create collection successfully.
Please feel free to send email for any help.
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