No, the file format is not compatible. I think it changed in 4.0. Amish
On 7/16/15, 6:45 PM, "Shuangyang Yang" <sy...@linkedin.com.INVALID> wrote: >Hi there, > >We are using lucene 2.9.1 in our product and thinking of upgrading to >5.X. Is it plausible? Is the file format compatible? Is there any guide >document that can give tips on how to do it? > >Thank you very much >Best Regards >--- >Shuangyang Yang >linkedin.com/in/everyoung<www.linkedin.com/in/everyoung> --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org