I recommend to integrate log4j2 into the app instead of using println. Then you
will see all the log statements including the one of Solr in a log file that
will indicate you the issue.
> Am 01.11.2019 um 07:46 schrieb Khare, Kushal (MIND)
> <kushal.kh...@mind-infotech.com>:
>
> Hello mates !
> Hope you people are doing good !
>
> Well, I am trying to integrate the SolrJ code for indexing and querying the
> documents through Solr with my java web app. I am facing a very wired issue,
> that when I run my method for Solr as java app (independently using main()
> function) it works fine- extracts text , searches. But, as soon as I give the
> hit through my web app from search page, it hits, function is being called,
> but it does not extracts any text from docs, and is unable to search.
>
> I verified all the jars, etc. but could not figure out anything. Following is
> the code that I am using :
>
>
> package com.mind.qdms.utility;
>
> import java.io.File;
> import java.io.FileInputStream;
> import java.io.IOException;
> import java.io.InputStream;
> import java.util.ArrayList;
> import java.util.Collection;
> import java.util.HashMap;
> import java.util.List;
> import java.util.Map;
> import org.apache.solr.client.solrj.SolrServerException;
> import org.apache.solr.client.solrj.impl.HttpSolrClient;
> import org.apache.solr.client.solrj.response.QueryResponse;
> import org.apache.solr.client.solrj.response.UpdateResponse;
> import org.apache.solr.common.SolrDocument;
> import org.apache.solr.common.SolrDocumentList;
> import org.apache.solr.common.SolrInputDocument;
> import org.apache.solr.common.params.MapSolrParams;
> import org.apache.tika.metadata.Metadata;
> import org.apache.tika.parser.AutoDetectParser;
> import org.apache.tika.parser.ParseContext;
> import org.apache.tika.sax.BodyContentHandler;
> import org.xml.sax.ContentHandler;
>
>
> public class QdmsSolrUtilityMethods {
>
>
>
> public static void main(String[] args) throws IOException,
> SolrServerException { QdmsSolrUtilityMethods.getDocsList("kushal"); }
>
>
> public static List<String> getDocsList(String keyword) throws
> IOException, SolrServerException {
> System.out.println("in util");
> HttpSolrClient client = new
> HttpSolrClient.Builder("http://localhost:8983/solr/tika";).build();
> AutoDetectParser autoParser = new AutoDetectParser();
> indexTikaDocuments(new File("D:\\docs"), client, autoParser);
> List<String> resultDocList = queryDocuments(client, keyword);
> return resultDocList;
> }
>
> public static void indexTikaDocuments(File root,HttpSolrClient
> client,AutoDetectParser autoParser) throws IOException,
> SolrServerException {
> int totalTika = 0;
>
> @SuppressWarnings("rawtypes") Collection docList = new ArrayList();
>
> for (File file : root.listFiles()){
> if (file.isDirectory()) {
> indexTikaDocuments(file,client,autoParser);
> continue;
> }
> ContentHandler textHandler = new BodyContentHandler(-1);
> Metadata metadata = new Metadata();
> ParseContext context = new ParseContext();
> InputStream input = new
> FileInputStream(file);
> try {
> autoParser.parse(input, textHandler, metadata, context);
> }catch (Exception e) {
> System.out.println(String.format("File %s failed",
> file.getCanonicalPath()));
> e.printStackTrace();
> continue;
> }
> SolrInputDocument doc = new SolrInputDocument();
> doc.addField("id", file.getCanonicalPath());
> doc.addField("_text_", textHandler.toString());
> docList.add(doc);
> System.out.println(textHandler.toString());
> System.out.println( file.getCanonicalPath()); ++totalTika;
> // Completely arbitrary, just batch up more than one document
> for throughput!
> if(docList.size() >= 1000) {
> // Commit within 5 minutes.
> UpdateResponse resp = client.add(docList, 300000);
> if (resp.getStatus() != 0) {
> System.out.println("Some horrible error has
> occurred, status is: " +
> resp.getStatus());
> }
> docList.clear();
> }
> }if(docList.size() > 0) {
> client.add(docList, 300000);
> } client.commit();
> System.out.println("indexed " + totalTika + " documents");
> }
>
> public static List<String> queryDocuments(HttpSolrClient client1,
> String queryTerm) throws SolrServerException, IOException {
> List<String> resultList = null;
> HttpSolrClient client = new
> HttpSolrClient.Builder("http://localhost:8983/solr";).build();
>
> final Map<String, String> queryParamMap = new HashMap<String,
> String>();
> queryParamMap.put("q", queryTerm);
> queryParamMap.put("rows", "5000");
> MapSolrParams queryParams = new MapSolrParams(queryParamMap);
>
> final QueryResponse response = client.query("tika", queryParams);
> final SolrDocumentList docList = response.getResults();
>
> System.out.println("docList :: "+docList);
> System.out.println("docList size :: "+docList.size());
>
> for (SolrDocument document : docList) {
> final String id = (String) document.getFirstValue("id");
> resultList.add(id);
> }
> return resultList;
> }
>
>
> }
>
>
>
> Please help me with this.
>
> Thanks!
>
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