https://issues.apache.org/jira/browse/SOLR-14404
On Wed, Nov 16, 2022 at 12:46 AM Ishan Chattopadhyaya < ichattopadhy...@gmail.com> wrote: > Here's a core container level plugin, for example: > https://github.com/yasa-org/yasa/tree/master/yasa-solr-plugin > > On Mon, Nov 14, 2022 at 10:07 PM Gus Heck <gus.h...@gmail.com> wrote: > >> In 9.x it should be possible to write a separate servlet that can answer >> custom non-search queries. Then all you need to edit is web.xml. You can >> now get hold of a core container >> via org.apache.solr.servlet.CoreContainerProvider#getCoreContainer. >> >> Looking at the code, it seems you still need to live in the apache package >> because that method is not public, but if you've got a demonstrable use >> case for it I don't see why that couldn't be made public in future >> versions. If that's tweaked to be public you could avoid changing implicit >> plugins, would not need to live under admin, and it should be possible to >> load from a separate jar if the jar is inserted >> into /server/solr-webapp/webapp/WEB-INF/lib >> >> A question to consider when choosing is whether you want the end point to >> be protected by authentication. If so then you're going to want to do it >> Shawn's way. If you want something publicly visible (say to infrastructure >> systems without login) then a servlet might be more useful since it will >> live outside of all our security stuff. >> >> On Mon, Nov 14, 2022 at 2:16 AM gnandre <arnoldbron...@gmail.com> wrote: >> >> > Thanks, Shawn. I think what you propose there will be very helpful. >> There >> > are definitely usecases where we want to work at the solr node level and >> > not core level. Fieldcache is one other example. >> > >> > In my case, I am trying to write a simple health check request handler >> that >> > makes sure that all cores on a particular node are loaded and are >> > queriable. The ping request handler works on a core level. The >> > /solr/admin/cores api works for me but it returns with the ok status >> even >> > if some other cores are still loading after solr restart. >> > >> > Ps. I am using legacy setup (non-cloud) >> > >> > On Mon, Nov 14, 2022, 2:04 AM Shawn Heisey <apa...@elyograg.org> wrote: >> > >> > > On 11/13/22 23:55, Shawn Heisey wrote: >> > > > If you want to create your own global handler, then you can add a >> > > > definition to ImplicitPlugins.json, which is embedded in the >> solr-core >> > > > jar. Unless you want to do jar surgery, it's best to make that >> change >> > > > in the source code and recompile Solr. >> > > >> > > See https://issues.apache.org/jira/browse/SOLR-15859 for an example >> > > where I am creating a new global handler. >> > > >> > > I am wondering if ImplicitPlugins.json could be put in a location like >> > > server/lib/ext so recompiling Solr or jar surgery isn't required. I >> > > think server/lib/ext is searched on the classpath before WEB-INF. >> Even >> > > better would be to have another json where user-specified implicit >> > > handlers can be defined. >> > > >> > > Thanks, >> > > Shawn >> > > >> > > >> > >> >> >> -- >> http://www.needhamsoftware.com (work) >> http://www.the111shift.com (play) >> >
