Another option would be, using 4.0, use addIndexes(IndexReader[]) into a new index, to convert your entire index into the supported (back compat) codec (Lucene40).
Don't use addIndexes(Directory[]) as this just copies files. Then you can read that resulting index with 4.1. Mike McCandless http://blog.mikemccandless.com On Tue, Jan 29, 2013 at 6:18 PM, Michael McCandless <luc...@mikemccandless.com> wrote: > Woops, sorry: PulsingPostingsFormat was already moved from core to > codecs as of 4.0 (not in 4.1 like I said before). > > And ... yes, you need Pulsing40PostingsFormat on your classpath to > read your 4.0 indices with 4.1. I think you need to excise the > sources and get them on the classpath? But this will be tricky: > Lucene40PulsingPF uses various codec APIs (eg BlockTreeTermsReader) > from 4.0 as well, which will conflict with the 4.1 classes by the same > package/name... > > Mike McCandless > > http://blog.mikemccandless.com > > On Tue, Jan 29, 2013 at 6:11 PM, Sean Bridges <sean.brid...@gmail.com> wrote: >> Do I need the Pulsing40PostingsFormat class to read my indexes though? >> Pulsing40PostingsFormat isn't shipped with lucene 4.1. >> >> I have index files with names like _0_Pulsing40_0.frq. When I try to open >> my index I get, >> >> java.lang.IllegalArgumentException: A SPI class of type >> org.apache.lucene.codecs.PostingsFormat with name 'Pulsing40' does not >> exist. You need to add the corresponding JAR file supporting this SPI to >> your classpath.The current classpath supports the following names: >> [Lucene40, Lucene41, Pulsing41, SimpleText, Memory, BloomFilter, Direct] >> >> Thanks, >> >> Sean >> >> >> On Tue, Jan 29, 2013 at 2:53 PM, Michael McCandless < >> luc...@mikemccandless.com> wrote: >> >>> Pulsing41PostingsFormat was just moved out of core to the "codecs" module. >>> >>> Still, the worst case (had it been deleted) would be to revive the >>> code from the past release and put it in your classpath, so old >>> indices could be read. >>> >>> Mike McCandless >>> >>> http://blog.mikemccandless.com >>> >>> On Tue, Jan 29, 2013 at 5:48 PM, Sean Bridges <sean.brid...@gmail.com> >>> wrote: >>> > Hello, >>> > >>> > We are trying to upgrade from lucene 4.0 to 4.1. Our indexes were >>> written >>> > using Pulsing40PostingsFormat, which doesn't seem to be supported in 4.1. >>> > For writing new indexes, we can switch to Pulsing41PostingsFormat, but >>> is >>> > there an easy way to read our old indexes using Lucene 4.1? >>> > >>> > What are the best practices for compatibility when using >>> > PostingFormat/Codecs. Pulsing40PostingsFormat was marked @experimental, >>> so >>> > perhaps we shouldn't have used it. But every PostingFormat/Codec shipped >>> > in 4.1 is either @experimental or @deprecated. >>> > >>> > Thanks, >>> > >>> > Sean >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >>> For additional commands, e-mail: java-user-h...@lucene.apache.org >>> >>> --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
