Re: Assistance Needed with OpenCms and External SOLR Server Integration

Thanks! I missed this one:    <lib dir="/opt/solr/dist/" regex=".*\.jar" />

It Works!

De: opencms-dev <[email protected]> En nombre de Daniel Seidel via opencms-dev
Enviado el: jueves, 8 de febrero de 2024 8:36
Para: The OpenCms mailing list <[email protected]>
CC: Daniel Seidel <[email protected]>
Asunto: Re: [opencms-dev] Assistance Needed with OpenCms and External SOLR Server Integration


Hi Ramon,

your steps are correct. I'd use Solr 8.11.1 as OpenCms 16. For the ICUCollationField you need to add some libs to Solr that are included, but not automatically loaded:

You can, e.g., add them in the solrconfig.xml for the cores you add:

<config>
            <lib dir="/opt/solr/dist/" regex=".*\.jar" />
            <lib dir="/opt/solr/contrib/analysis-extras/lib/" regex=".*\.jar" />
            <lib dir="/opt/solr/contrib/analysis-extras/lucene-libs/" regex=".*\.jar" />

            ...

</config>

Best, Daniel.
Am 07.02.24 um 16:22 schrieb Ramon Gavira Sáenz:
Hello Daniel,

I'm having issues trying to create the cores.

I understand that I need to create one for each index, right? Solr Offline and Solr Online, is that correct? Also, the configuration of SOLR for those cores should be the one from OpenCms, correct? Is it enough to just copy it?

I've tried to do the above, but I think I need some plugin or library. I'm getting this error: "ocms: org.apache.solr.common.SolrException:org.apache.solr.common.SolrException: Could not load conf for core ocms: Can't load schema /opt/solr/server/solr/ocms/conf/schema.xml: Plugin init failure for [schema.xml] fieldType "sort": Error loading class 'solr.ICUCollationField'"

My external SOLR is version 8.6.2. Is that correct? The versions of OpenCms I'm working with are two, one version 14 and another version 16.

Thanks for your help.

Best regards.

De: opencms-dev <[email protected]><mailto:[email protected]> En nombre de Daniel Seidel via opencms-dev
Enviado el: lunes, 22 de enero de 2024 12:15
Para: [email protected]<mailto:[email protected]>
CC: Daniel Seidel <[email protected]><mailto:[email protected]>
Asunto: Re: [opencms-dev] Assistance Needed with OpenCms and External SOLR Server Integration


Hi Ramon,

you can either configure an external solr server globally in the opencms-search.xml by adding the "serverUrl" attribute to the <solr> element, eg.

<solr enabled="true" serverUrl="http://localhost:8983/solr"<http://localhost:8983/solr>>

Moreover, you can configure an external server for each Solr index seperately. This is documented in https://github.com/alkacon/opencms-core/blob/master/webapp/WEB-INF/config/opencms-search.xml for the Solr Online index.

A global external Solr server could be a good solution for a cluster installation. You can configure the indexes on the workplace server as usually and configure on the other servers with rebuild mode "none". This will prevent the other servers from updating the external index, shared by all servers.

What you have to guarantee is, that the external Solr server has the same core configuration as the internal one. I.e. the schema.xml has to be used for the global external server as well.

The "per index" external server configuration can be great for another use case: If you want to index from different sources (not only OpenCms), you can set up a specially configure index where OpenCms and also other applications may index and search.

What's currently necessary for both methods is that the server must not be secured, so it has to be in a private network and not accessible from outside, but from OpenCms.

Best, Daniel.




Am 22.01.24 um 11:38 schrieb Ramon Gavira Sáenz via opencms-dev:
Hi Antonio.

Thank you very much for your answer.

Is your External Solr in a different machine than OpenCms? How do you connect th “core” to OpenCms? How do you “point” to a different Machine?

Thanks in advance!

Kind Regards!

De: opencms-dev <[email protected]><mailto:[email protected]> En nombre de Antonio Cordeddu via opencms-dev
Enviado el: miércoles, 17 de enero de 2024 9:42
Para: Ramon Gavira Sáenz via opencms-dev <[email protected]><mailto:[email protected]>
CC: Antonio Cordeddu <[email protected]><mailto:[email protected]>
Asunto: Re: [opencms-dev] Assistance Needed with OpenCms and External SOLR Server Integration

Hello Ramon,

I installed an external SOLR server for OpenCms 16 as a text/prototype.
About your questions:
1) Yes, it is possible to integrate the indices you use in the server
2) You can manage as many "core" as you want in Solr and connect each one to a different index.

Kind regards
Antonio Cordeddu


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On 16/01/2024 17:00, Ramon Gavira Sáenz via opencms-dev wrote:
Hello,

Does anyone have experience using an external SOLR server in OpenCms? We're working on a project that requires integrating searches on a portal with an external SOLR server. Would it be possible to integrate the indices we use in OpenCms into that server?
Additionally, do you know if it's possible to define two different schemas for different indices within a SOLR instance?

Also, if anyone has insights into the requirements for such a SOLR server, that would be very helpful.

Any hints or ideas would be greatly appreciated.

Thank you very much!

Ramón.







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Kind Regards



Daniel.



-------------------



Daniel Seidel

Alkacon Software GmbH & Co. KG - The OpenCms Experts

https://www.alkacon.com - http://www.opencms.org

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Kind Regards



Daniel.



-------------------



Daniel Seidel

Alkacon Software GmbH & Co. KG - The OpenCms Experts

https://www.alkacon.com - http://www.opencms.org

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