![]() If you have directories like index, spellchecker, spellchecker1, and spellchecker2 inside your data directory, run the command over each subdirectory to make sure all indexes are updated.įor more info, see the IndexUpgrader documentation, and the Stack Overflow answer that instigated this post. Older versions are considered EOL (End Of Life) and will not be further updated. The previous major version will see occasional critical security- or bug fixes releases. Rinse and repeat for each version of Solr you need to upgrade through. Apache Solr is under active development with frequent feature releases on the current major version. ![]() It will take a few seconds for a small index (hundreds of records), or a bit longer for a huge index (hundreds of thousands of records), and then once it's finished, you should be able to start Solr again using the upgraded index. Run the command to upgrade the index: java -cp /full/path/to/lucene-core-3.6.2.jar .IndexUpgrader -delete-prior-commits -verbose /full/path/to/data/index.Stop Solr (so the index isn't being actively written to.Find the full directory path to the Solr core's data/index. A shorter data-config Using delta-import command Delta-Import Example Configuring The Property Writer Usage with XML/HTTP Datasource Configuration of URLDataSource or HttpDataSource Configuration in data-config.In my case, for 3.6.2, it was named lucene-core-3.6.2.jar. Run locate lucene-core to find your Solr installation's lucene-core.jar file.To fix this, you need to upgrade your index using Solr 3.5.0 or later, then you can upgrade to 4.x, then 5.x (using each version of Solr to upgrade from the previous major version): ![]() Its major features include powerful full-text. This version of Lucene only supports indexes created with release 3.0 and later. Solr is the popular, blazing fast open source enterprise search platform from the Apache LuceneTM project. SolrException.SolrException: .IndexFormatTooOldException: Format version is not supported (resource: MMapIndexInput(path="/var/solr/cores//data/spellchecker2/_1m.cfx") ): 1 (needs to be between 2 and 3).
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