java - Solr updating indexwriter does not affect search until the rebooting -


i did implement solr plugin purpose of updating fields on solr events (commit, optimize , etc.). problem updated documents not affect solr search until manually try restart solr. please take @ code , tell me part caused problem?

regards.

    boolean success = false;     namedlist response = new simpleorderedmap();     keyword.init(searcher, params);     booleanquery query = new booleanquery();     (string fieldname : keywordsourcefields) {       termquery termquery = new termquery(new term(fieldname, "noval"));       query.add(termquery, occur.must_not);     }     termquery termquery = new termquery(new term(keywordfield, "noval"));     query.add(termquery, occur.must);     refcounted<indexwriter> iw = null;     indexwriter writer = null;     try {       topdocs results = searcher.search(query, maxnumdocs);       scoredoc[] hits = results.scoredocs;       iw = solrcorestate.getindexwriter(core);       writer = iw.get();       fieldtype type = new fieldtype(stringfield.type_stored);       (int = 0; < hits.length; i++) {         document document = searcher.doc(hits[i].doc);         list<string> keywords = keyword.getkeywords(hits[i].doc);         if (keywords.size() > 0) document.removefields(keywordfield);         (string word : keywords) {           document.add(new field(keywordfield, word, type));         }         string uniquekey = searcher.getschema().getuniquekeyfield().getname();         writer.updatedocument(new term(uniquekey, document.get(uniquekey)),             document);       }       response.add("number of selected docs", results.totalhits);       writer.commit();     } catch (ioexception | syntaxerror e) {       throw new runtimeexception();     } {       if (iw != null) {         iw.decref();       }     }


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