bq: " do you think there could be compatibility problems" What API calls? Are you using some custom SolrJ from a client?
This is _extremely_ risky IMO. Solr does not guarantee you can do rolling upgrades across major versions for instance. And the Solr<->Solr communications are through SolrJ (which I'm assuming you are using when you say API calls). So dropping an older jar file in the mix seems even riskier. I don't recommend this. Your vendor has locked you in to something proprietary, I'd ask them some hard questions about why they haven't updated their offering in close to 2.5 years. Best, Erick On Fri, Mar 3, 2017 at 1:47 AM, skasab2s <skasa...@smail.inf.fh-brs.de> wrote: > Hello, > > we want to update our Solr Server to *solr-5.5.4*. For the API calls on this > server, we only can use *solr-core-4.6.1.jar*, because it is maintained by > an external vendor and we cannot upgrade the library ourselves. I tested > this constellation shortly and seemed to work fine. Even so, do you think > there could be compatibility problems? Is there a table - which library > version is compatible with which solr server version ? > > Many thanks in advance, > > Sven > > > > -- > View this message in context: > http://lucene.472066.n3.nabble.com/Using-solr-core-4-6-1-jar-on-solr-5-5-4-server-tp4323178.html > Sent from the Solr - User mailing list archive at Nabble.com.
