How do I find out version of currently running Solr?

Question

Please tell me how can I determine the version number of currently running solr ?

Footman

Answer 1

On the Solr Admin page click on [INFO]. The next screen will have the version.

(For me, the Solr admin page is located here: http://{host-name-or-ip}:{port}/solr/admin, I found I was dealing with an older version. Solr Specification Version: 1.4.0 Solr Implementation Version: 1.4.0 833479)

Ermaermanno

Is there a way to get this if you do not have Admin access to the index? As in if hosted by a 3rd party provider? – Saprolite

Answer 2

With a HTTP GET request to:

yoursolrhost:8983/solr/admin/info/system

you'll retrieve a structure in many different representations (xml, json, php, python,...).

the lucene key of the structure contains version numbers.

For example, using json output:

http://yoursolrhost:8983/solr/admin/info/system?wt=json

The lucene key looks like this:

"lucene": {
    "solr-spec-version": "4.6.0",
    "solr-impl-version": "4.6.0 1543363 - simon - 2013-11-19 11:16:33",
    "lucene-spec-version": "4.6.0",
    "lucene-impl-version": "4.6.0 1543363 - simon - 2013-11-19 11:05:50"
},

Colombes

oddly i get null for all of these – Riehl

@Riehl It isnt visible for me either, neither is it showing up on the UI.. how did you check the solr version? – Groth

@Colombes Thanks solr was not accessible in the browser - you saved my day – Osman

Answer 3

solr admin "infos" button links to "admin/registry.jsp"

so you can get the version with :

wget -O- "http://solr_ip_adress.lan:8080/solr/admin/registry.jsp" | grep 'solr-spec-version'

Austrasia

Answer 4

You could use http://localhost:8983/solr/admin/info/system?wt=json to gather the details and Solr version too.

Tested on Solr v6.6.0

Cheviot

Answer 5

You need to query Solr using the SystemInfoHandler:

http://lucene.apache.org/solr/api/org/apache/solr/handler/admin/SystemInfoHandler.html

Monogyny

When clicked info on admin page i got Solr Specification Version: 1.4.0.2009.11.19.08.31.18 Solr Implementation Version: 1.5-dev 882138 - grantingersoll - 2009-11-19 08:31:18 so is it 1.5-dev that am using. – Footman

@kshama: yes, it's 1.5 svn revision 882138 – Insentient

Can you provide an example query in your answer? I am quite new to Solr. Thanks. – Rabi

@Brad: I wish I could.. this answer is about 2 years old and I don't even remember answering :) – Monogyny

Answer 6

You can simply go to your Solr Dashboard page as in URL

http://localhost:8983/solr

Thylacine

Answer 7

Assumption, you use version 3.6, port 8080. Go to http://localhost:8080/solr/default/admin/registry.jsp

You will see result:

Solr Implementation Version: 3.6.0 1310449 - rmuir - 2012-04-06 11:34:07

Gyniatrics

Answer 8

From the command line of a Linux server running solr:

sudo service solr status

Depending on your version of Linux, I imagine you might have to modify that to use systemctl instead of service, or other means of calling the solr service.

Folder

Since I return to this SO result each time I have to look up how to do this again, I figure this answer is needed. – Folder

Answer 9

Using shell

From https://endoflife.date/solr

You can check the version that you are currently using by running:
bin/solr version

But the path mentioned is relative. So we still have to find the workingdir...

Attempt standard location?

$ ls -la /opt/solr

lrwxrwxrwx 1 root root 15 Feb  5 03:51 /opt/solr -> /opt/solr-8.6.0

$ /opt/solr/bin/solr version

8.6.0

Or: attempt to locate it by searching for the executable itself

$ find / -executable -type f -name solr 2>/dev/null

/opt/solr-8.6.0/bin/solr
/opt/solr-8.6.0/bin/init.d/solr

Ferrin