We had one 4.x cluster that was difficult to migrate, so until recently we were using SolrJ 4.x with our new Solr 8.7 clusters and with a Solr 4.10.4 cluster.
We were not doing anything fancy like faceting. wunder Walter Underwood wun...@wunderwood.org http://observer.wunderwood.org/ (my blog) > On May 31, 2022, at 2:37 AM, Gohlke, Alexander <alexander.goh...@gbtec.com> > wrote: > > Hello, > > I am looking for information which version of the SolrJ client is compatible > with the Solr server. So far I only found some information in the cwiki where > it says: "SolrJ generally maintains backwards compatibility, so you can use a > newer SolrJ with an older Solr, or an older SolrJ with a newer Solr". > However, this wiki is a bit older and I can't evaluate if this is also true > for Solr 8.11.x and 9.0.0. > https://cwiki.apache.org/confluence/display/solr/Solrj > > Background is the following. I have a legacy application using SolrJ 4.10.4 > with Solr server 7.7.3. So far this works without any problems. Now the Solr > server needs to be updated to 8.11.1 or 9. Unfortunately updating the SolrJ > version is not possible due to the dependency situation. > > Is SolrJ client in version 4.10.4 is compatible with a Solr server 8.11.1 or > 9.0.0 ? Any information would be very appreciated. > > Best regards to all > Alex >
