What are you asking here? Indeed, Lucene 8 (and therefore Solr) will not open an index that has ever been touched by Lucene 6x or earlier. You must re-index into 8x.
You cannot spoof this with, for instance, IndexUpgraderTool and go from 6->7->8. You must reindex from your system-of-record. This has been discussed several times on the mailing list, please search the mail archives for a fuller discussion. Best, Erick > On Jun 24, 2019, at 11:05 AM, baris.ka...@oracle.com wrote: > > Ok i forgot to mention below that i was trying to run 6.6. index with Lucene > 8.1.1. > > Best regards > > > On 6/24/19 2:03 PM, baris.ka...@oracle.com wrote: >> >> Index created with Lucene 6.6 and*i tried running the same index with Lucene >> 8.1 *and according to that, this error message might need update:-> This >> version of Lucene only supports indexes created with release 7.0 and later. >> >> The first part of the error message is consistent with the error: -> 6 >> (needs to be between 7 and 9). >> >> Hope this helps >> >> baris >> >> PS, here is the stack trace >> >> >> org.apache.lucene.index.IndexFormatTooOldException: Format version is not >> supported (resource >> BufferedChecksumIndexInput(MMapIndexInput(path="/scratch/bkazar/auto_correct_index/index/segments_5"))): >> 6 (needs to be between 7 and 9). *This version of Lucene only supports >> indexes created with release 6.0 and later.* >> at >> org.apache.lucene.codecs.CodecUtil.checkHeaderNoMagic(CodecUtil.java:213) >> at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:305) >> at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:289) >> at >> org.apache.lucene.index.StandardDirectoryReader$1.doBody(StandardDirectoryReader.java:64) >> at >> org.apache.lucene.index.StandardDirectoryReader$1.doBody(StandardDirectoryReader.java:61) >> at >> org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:680) >> at >> org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:84) >> at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:76) >> at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:64) >> >> .... (this should be enough for the trace) >> > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
