i use stop words for building shingles into "interesting phrases" for my machine teacher/students, so i wouldnt say theres no reason, however my use case is very specific. Otherwise yeah, theyre gone for all practical reasons/search scenarios.
On Mon, Feb 17, 2020 at 1:41 PM Walter Underwood <wun...@wunderwood.org> wrote: > Why are you using stopwords? I would need a really, really good reason to > use those. > > Stopwords are an obsolete technique from 16-bit processors. I’ve never > used them and > I’ve been a search engineer since 1997. > > wunder > Walter Underwood > wun...@wunderwood.org > http://observer.wunderwood.org/ (my blog) > > > On Feb 17, 2020, at 7:31 AM, Thomas Corthals <tho...@klascement.net> > wrote: > > > > Hi > > > > I've run into an issue with creating a Managed Stopwords list that has > the > > same name as a previously deleted list. Going through the same flow with > > Managed Synonyms doesn't result in this unexpected behaviour. Am I > missing > > something or did I discover a bug in Solr? > > > > On a newly started solr with the techproducts core: > > > > curl -X PUT -H 'Content-type:application/json' --data-binary > > '{"class":"org.apache.solr.rest.schema.analysis.ManagedWordSetResource"}' > > > http://localhost:8983/solr/techproducts/schema/analysis/stopwords/testlist > > curl -X DELETE > > > http://localhost:8983/solr/techproducts/schema/analysis/stopwords/testlist > > curl > http://localhost:8983/solr/admin/cores?action=RELOAD\&core=techproducts > > curl -X PUT -H 'Content-type:application/json' --data-binary > > '{"class":"org.apache.solr.rest.schema.analysis.ManagedWordSetResource"}' > > > http://localhost:8983/solr/techproducts/schema/analysis/stopwords/testlist > > > > The second PUT request results in a status 500 with error > > msg "java.util.LinkedHashMap cannot be cast to java.util.List". > > > > Similar requests for synonyms work fine, no matter how many times I > repeat > > the CREATE/DELETE/RELOAD cycle: > > > > curl -X PUT -H 'Content-type:application/json' --data-binary > > > '{"class":"org.apache.solr.rest.schema.analysis.ManagedSynonymGraphFilterFactory$SynonymManager"}' > > http://localhost:8983/solr/techproducts/schema/analysis/synonyms/testmap > > curl -X DELETE > > http://localhost:8983/solr/techproducts/schema/analysis/synonyms/testmap > > curl > http://localhost:8983/solr/admin/cores?action=RELOAD\&core=techproducts > > curl -X PUT -H 'Content-type:application/json' --data-binary > > > '{"class":"org.apache.solr.rest.schema.analysis.ManagedSynonymGraphFilterFactory$SynonymManager"}' > > http://localhost:8983/solr/techproducts/schema/analysis/synonyms/testmap > > > > Reloading after creating the Stopwords list but not after deleting it > works > > without error too on a fresh techproducts core (you'll have to remove the > > directory from disk and create the core again after running the previous > > commands). > > > > curl -X PUT -H 'Content-type:application/json' --data-binary > > '{"class":"org.apache.solr.rest.schema.analysis.ManagedWordSetResource"}' > > > http://localhost:8983/solr/techproducts/schema/analysis/stopwords/testlist > > curl > http://localhost:8983/solr/admin/cores?action=RELOAD\&core=techproducts > > curl -X DELETE > > > http://localhost:8983/solr/techproducts/schema/analysis/stopwords/testlist > > curl -X PUT -H 'Content-type:application/json' --data-binary > > '{"class":"org.apache.solr.rest.schema.analysis.ManagedWordSetResource"}' > > > http://localhost:8983/solr/techproducts/schema/analysis/stopwords/testlist > > > > And even curiouser, when doing a CREATE/DELETE for Stopwords, then a > > CREATE/DELETE for Synonyms, and only then a RELOAD of the core, the cycle > > can be completed twice. (Again, on a freshly created techproducts core.) > > Only the third attempt to create a list results in an error. Synonyms can > > still be created and deleted repeatedly after this. > > > > curl -X PUT -H 'Content-type:application/json' --data-binary > > '{"class":"org.apache.solr.rest.schema.analysis.ManagedWordSetResource"}' > > > http://localhost:8983/solr/techproducts/schema/analysis/stopwords/testlist > > curl -X DELETE > > > http://localhost:8983/solr/techproducts/schema/analysis/stopwords/testlist > > curl -X PUT -H 'Content-type:application/json' --data-binary > > > '{"class":"org.apache.solr.rest.schema.analysis.ManagedSynonymGraphFilterFactory$SynonymManager"}' > > http://localhost:8983/solr/techproducts/schema/analysis/synonyms/testmap > > curl -X DELETE > > http://localhost:8983/solr/techproducts/schema/analysis/synonyms/testmap > > curl > http://localhost:8983/solr/admin/cores?action=RELOAD\&core=techproducts > > curl -X PUT -H 'Content-type:application/json' --data-binary > > '{"class":"org.apache.solr.rest.schema.analysis.ManagedWordSetResource"}' > > > http://localhost:8983/solr/techproducts/schema/analysis/stopwords/testlist > > curl -X DELETE > > > http://localhost:8983/solr/techproducts/schema/analysis/stopwords/testlist > > curl -X PUT -H 'Content-type:application/json' --data-binary > > > '{"class":"org.apache.solr.rest.schema.analysis.ManagedSynonymGraphFilterFactory$SynonymManager"}' > > http://localhost:8983/solr/techproducts/schema/analysis/synonyms/testmap > > curl -X DELETE > > http://localhost:8983/solr/techproducts/schema/analysis/synonyms/testmap > > curl > http://localhost:8983/solr/admin/cores?action=RELOAD\&core=techproducts > > curl -X PUT -H 'Content-type:application/json' --data-binary > > '{"class":"org.apache.solr.rest.schema.analysis.ManagedWordSetResource"}' > > > http://localhost:8983/solr/techproducts/schema/analysis/stopwords/testlist > > > > The same successes/errors occur when running each cycle against a > different > > core if the cores share the same configset. > > > > Any ideas on what might be going wrong? > >
