Lucene might cause this problem as it can open quite some files depending on how you use it, but the problem might also be somewhere else. The number of files that can be opened simultaneously is a system-wide limitation of your operating system. Why am I getting an IOException that says "Too many open files"? No, but check out Nutch and the list of Open Source Crawlers in Java. If you are using Zend Search Lucene, please ask your questions about it in the Zend forums. Its performance characteristics and APIs are significantly different from Apache Lucene. As far as we can tell, Zend Search Lucene was at one point in time a Lucene index file format compatible implementation of a search engine in PHP. The ASF currently supports ports of Lucene to Python and. It, and other attempts at porting Lucene to other languages, outside of the ASF are not supported by the ASF. Zend Search Lucene is not at all related to the Apache Lucene project, despite the attempt to relate itself to the Lucene project via its name. How does Zend Search Lucene (and other non-ASF ports) Relate to Lucene? Also check the list of Lucene implemenations. We suggest searching the web to find out more. Are there any alternatives to Lucene?īesides commercial products which we don't know much about there a variety of other open source search engines available. Lucene is Doug Cutting's wife's middle name, and her maternal grandmother's first name. In addition, they are a part of the standard distribution, and you can always recreate them by running ant javadocs. The docs for all the classes are available online at. See Lucene Dev Source Code Where can I get the javadocs for the classes? How can I get the latest greatest development code? Yes, Lucene is 100% pure Java and has no external dependencies. Will Lucene work with my Java application?
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