The search technology included with OpenCms relies upon
The search technology included with OpenCms relies upon the Lucene search engine library, an advanced java library for efficiently searching large numbers of documents. Lucene is Open Source software maintained by the Apache Foundation. This search engine can be found at http://lucene.apache.org. The tools accessed from the Search Management screen provide functions for managing your search indexes and for running test searches. Creating an Index Most of the time, the built-in indexes will be sufficient, but you may sometimes want to create a separate index. For example, you may want to search only a selected area of your site. You can create a new index using the New Index screen. We will create a new index for searching in the /playground folder only. The Name field should contain a descriptive name of the index’s contents. The Rebuild Mode drop-down list has two options, Auto and Manual. If it is set to Auto, OpenCms will rebuild the search index as needed. If it is set to Manual, then we will need to run the index rebuild by hand. (We will discuss this below.) Usually, Auto is what you want. You can use the Locale drop-down list to select which language to index. You can only use one language in each index, so if you desire multiple language support, you will need to create multiple indexes. The Project drop-down list determines which project will be indexed. If this is set to Online, the index will only search (and therefore only return hits for) published documents. If site visitors are going to use this search index, you want to use this option. If you set this to Offline or to another custom project, OpenCms will build an index against the unpublished files in the VFS. You should not allow site visitors to use this index.
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