[jira] [Created] (CAMEL-21479) Camel-Solr: Use HttpJdkSolrClient as default SolrClient implementation

["Paul Blanchaert (Jira)" <ji...@apache.org>]

Paul Blanchaert created CAMEL-21479:
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             Summary: Camel-Solr: Use HttpJdkSolrClient as default SolrClient implementation
                 Key: CAMEL-21479
                 URL: https://issues.apache.org/jira/browse/CAMEL-21479
             Project: Camel
          Issue Type: Improvement
          Components: camel-solr
    Affects Versions: 4.8.1
            Reporter: Paul Blanchaert


Motivation:
1) current solr-component offers many options: 3 endpoints (solr, solrs and solrcloud) and the option to provide a solrclient: this is likely confusing for non-expert
2) many dependencies (o.a. zookeeper) of solr client make it a hard work to keep the component up to date and secure
3) solr 9.6 introduced a solr client which limits dependencies: [HttpJdkSolrClient|https://solr.apache.org/guide/solr/latest/deployment-guide/solrj.html#types-of-solrclients]; this is a pre-requisite to revive the camel-quarkus-solr component (see [quarkus issue|https://github.com/apache/camel-quarkus/issues/6806])
4) reducing the options/scope without limiting the user's capabilities will allow easier maintenance (in all deploy options of camel)

Goal:
1) update solr-component to reduce to a single endpoint and preferably more in line with elastcsearch and opensearch component
2) use only the HttpJdkSolrClient per default; this client (new since solr-9.6.0) is expected to be sufficient for the supported operations; the current solrClient endpoint option will be kept to enable the (experienced) user to provide an alternative solrclient implementation
3) revive the camel-quarkus-solr component



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