How to delete or clear index in Solr

need to add new data to index each time. It's very useful when you are explorer Solr, you change ... ://localhost:8983/solr/db/update?commit=true -d "<delete><query>*:*</query></delete>" If you don't ... provide the delete feature. You have to use curl command. Execute the following command curl http ... know what URL to use, first do a simple query in Solr ADMIN panel, on the top of the result

Could not load driver: com.mysql.jdbc.Driver Processing Document

: Could not load driver: com.mysql.jdbc.Driver Processing Document # 1 The reason: to use MySQL ... When import data from MySQL and index into Solr 6, the added documents always display 0 ... . When checking the logging in Solr control panel, get this error: Full Import ... failed:java.lang.RuntimeException: java.lang.RuntimeException: org.apache.solr.handler.dataimport.DataImportHandlerException

Solr core and collection What's the difference

the difference not so obvious, because there is just one collection that contains one core that manages ... I found I often use core and collection interchangeably without even notice ... or a collection both simply refer to a Lucene index and a set of related Solr configuration files. If I ... SolrCore, which means the core of Solr is about calling Lucene API to interact with a single index

What is Solr config set

. The new method using config set which is just a named and predefined configuration that you can use ... the better way to use Solr. [The configset base directory] All your config sets are stored under ... application , contains some advanced options. [Create a core with config set] First start ... In Solr 5, a new configuration mechanism was introduced to manage configurations for Solr

How to install Solr 6

Solr 6 is the newest version of Solr, an enterprise search platform. Download the package ... from the mirror site: http://mirrors.hust.edu.cn/apache/lucene/solr/6.3.0/ Notice Solr 6 needs JDK ... for details. Solr switch to JDK 8 from 6. [Start the server] There is another difference ... between Solr 6 and earlier version. The start.jar now using different command syntax. When I try

What is Solr

has been merged, so you can always use the newest Lucene in Solr. [What Solr can do ... Solr is a Web based search engine application, you can build your own full text search ... REST Web service with it. A Solr application is designed to run as a standalone Web application, your ... application system interact with Solr server through HTTP protocol. It's a supporting

Install and get start Solr 4 on Windows

: solr-install-start.GIF:solr install start windows Thats all we need to get started. ... library Lucene. This post shows how to get started with Solr on Windows. [Download the package ... -4.10.3.zip. Extract it to your file system. For example C:\App\solr-4.10.3 [Running Solr] Start ... Solr is a enterprise search platform, one the most popular wrapper for the full text search

What is Solr facet search

The concept of facet is one of the killer features of Solr, sounds like a fancy word but actually pretty simple and easy to understand.

For a generic search, you can categorize the results by various characteristics or aspects, for example searching for books, the results can be categorized by author or publish date, facet is a particular category. If the total number of results is 100, there may be 10 of them with the author for example James, if you only interested in that particular author, you can choose the facet, now you have less candidates to choose from.

For a generic search, you can categorize the results by various characteristics or aspects, for example searching for books, the results can be categorized by author or publish date, facet is a particular category. If .

Automatic generate id for Solr document

, they can have different fields with each other. But every Solr document must has an id field and it must ... Solr document is schema free ... id field as the primary key and it's usually configured as auto increment. Solr is more like a NoSQL ... we better let the system auto generate this field for us. The unique id field is tremendously
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