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Solr.xml and schema.xml of embedded solr on Spring Data Solr


Solr.xml and schema.xml of embedded solr on Spring Data Solr

By : user2956994
Date : November 22 2020, 03:03 PM
fixed the issue. Will look into that further These are base Solr configuration files.
solr.xml - https://wiki.apache.org/solr/Solr.xml%20%28supported%20through%204.x%29
code :


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Solr best practice: All data in Solr or periodically copy to Solr?

Solr best practice: All data in Solr or periodically copy to Solr?


By : freakCoderz
Date : March 29 2020, 07:55 AM
may help you . If your updates in the db are infrequent, then doing a nightly delta import with DIH is easy, and it's the typical way people use Solr (that is, not being the primary store for their data). There are some people that use Solr as their primary store too, but that is much more infrequent, though when 4.0 was released it contained some improvements that makes it easier to use it that way.
How to build FacetQuery using spring-data-solr which returns all documents (*:*) from solr index

How to build FacetQuery using spring-data-solr which returns all documents (*:*) from solr index


By : V.Shao
Date : March 29 2020, 07:55 AM
With these it helps I want to write a FacetQuery which may not have any criteria except one filter condition (fq). Following query is an example which I want to build using spring-data-solr API. , you can do this combining @Query and @Facet
code :
    @Facet(fields={"primaryCategoryId"}, minCount=1, limit=1)
    @Query(value="*:*", filters="categoryIds:(?0)")
    public FacetPage<JPEvents> XYZ(List<Long> categories, Pageable page);
   FacetQuery query = new SimpleFacetQuery(new SimpleStringCriteria("*:*"))
     .setFacetOptions(new FacetOptions("primaryCategoryId")
     .setFacetMinCount(1).setFacetLimit(1));
   query.setPageRequest(pageable);
   solrTemplate.queryForFacetPage(query, JPEvents.class);
AbstractMethodError when creating custom Solr Query in Spring Data Solr 1.5.4

AbstractMethodError when creating custom Solr Query in Spring Data Solr 1.5.4


By : David Wiedmer
Date : March 29 2020, 07:55 AM
this one helps. After some trial and error I figured it out. Seems to be a problem with Spring Boot 1.4 and Spring Data Solr 1.5.4. I downgraded to Spring Boot 1.3.7 and it worked immediatly.
How do i configure multiple cores on embedded solr with raw spring-data-solr

How do i configure multiple cores on embedded solr with raw spring-data-solr


By : Roberto Floris
Date : March 29 2020, 07:55 AM
may help you . I would like to add another core to my Solr 5.5.0 embedded server environment. "In my world" i create an embedded server and let spring-data load the core configurations. But with my solution it seems that all data go into the default core "collection1". So far i couldn't find an example beside spring-boot. But that is not an option. , Here is how I would do it
code :
@Configuration
@EnableSolrRepositories(multicoreSupport = true)
public class MulticoreSolrConfiguration {

  @Autowired
  private SolrClient solrClient;

  @Bean
  public SolrOperations solrTemplate() throws ParserConfigurationException, SAXException, IOException {
    return new SolrTemplate(this.solrClient);
  }

  @Bean
  public MulticoreSolrClientFactory multicoreSolrClientFactory()
      throws ParserConfigurationException, SAXException, IOException {
    return new MulticoreSolrClientFactory(this.solrClient, "operator1", "collection1");
  }

  @Bean(name = "operatorSolrClient")
  public SolrClient operatorSolrClient() throws IOException, SAXException, ParserConfigurationException {
    return this.multicoreSolrClientFactory().getSolrClient("operator1");
  }

  @Bean(name = "operatorSolrTemplate")
  public SolrTemplate operatorSolrTemplate() throws IOException, SAXException, ParserConfigurationException {
    return new SolrTemplate(this.operatorSolrClient());
  }
}

  @Bean(name = "collectionSolrClient")
  public SolrClient collectionSolrClient() throws IOException, SAXException, ParserConfigurationException {
    return this.multicoreSolrClientFactory().getSolrClient("collection1");
  }

  @Bean(name = "collectionSolrTemplate")
  public SolrTemplate collectionSolrTemplate() throws IOException, SAXException, ParserConfigurationException {
    return new SolrTemplate(this.collectionSolrClient());
  }
}
@Configuration
class SolrConfiguration {

  private final SolrProperties solrProperties; // Has details about solr host, port, directory .....

  @Autowired
  public SolrConfiguration(final SolrProperties solrProperties) {
    this.solrProperties = solrProperties;
  }

  @Bean
  SolrClient solrClient() {
    final SolrClient solrClient;
    if (this.solrProperties.isEmbedded()) {
      solrClient = createEmbeddedSolrClient();
    } else {
      solrClient = createStandaloneSolrClient();
    }

    return solrClient;
  }

  private SolrClient createEmbeddedSolrClient() {
    final String solrConfigurationFolder = this.solrProperties.getSolr().getHome();

    final EmbeddedSolrServerFactoryBean factoryBean = new EmbeddedSolrServerFactoryBean();
    factoryBean.setSolrHome(solrConfigurationFolder);

    return factoryBean.getSolrClient();
  }

  private SolrClient createStandaloneSolrClient() {
    final String solrUrl = this.solrProperties.getHost();

    return new HttpSolrClient(solrUrl);
  }
}  
Cloudera to HDP SOLR(version 5.5.2) Data Migration | Failed to Update solr indexes after restoration on solr cloud

Cloudera to HDP SOLR(version 5.5.2) Data Migration | Failed to Update solr indexes after restoration on solr cloud


By : Aleksandr M.
Date : March 29 2020, 07:55 AM
seems to work fine I had faced similar issue recently. The problem was because of restore status that was in progress state so follow below steps.
1. curl 'http://SolrHostName:8983/solr/CollectionName_shardNo_ReplicaNO/replication?command=restore&name=snapshotName&location=SolrCollectionDirectory'
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