Thanks Adrien. Looks to be exactly what I need.
--
Ian.
On Thu, Dec 19, 2024 at 1:27 PM Adrien Grand wrote:
> Hi Ian,
>
> Indeed Lucene has been maintaining read-only support for 8.x indices
> lately, see this method which lets you opt in for this:
>
> https://lucene.apache.org/core/10_0_0/co
Hi Ian,
Indeed Lucene has been maintaining read-only support for 8.x indices
lately, see this method which lets you opt in for this:
https://lucene.apache.org/core/10_0_0/core/org/apache/lucene/index/DirectoryReader.html#open(org.apache.lucene.index.IndexCommit,int,java.util.Comparator)
.
So if y
Hi
On trying to open an old index using lucene 10.0.0 I'm getting
this exception:
Exception in thread "main"
org.apache.lucene.index.IndexFormatTooOldException: Format version is not
supported (resource
BufferedChecksumIndexInput(MemorySegmentIndexInput(path="/whatever.../segments_3"))):
This ind
ilto:u...@thetaphi.de]
> Sent: Tuesday, June 16, 2015 11:35 AM
> To: java-user@lucene.apache.org
> Subject: RE: IndexFormatTooOldException while upgrading Lucene 4.10 index
> to 5.2
>
> Hi,
>
> you need to add the JAR file lucene-backward-codec.jar to the classpath (or
> a
Indeed DirectDocValuesFormat had a back-compat break between 4.x and
5.x ... this is expected/allowed (it is an experimental format).
You should be able to do something like this to more forwards:
* In 4.x, open a new IndexWriter, using the default Codec (which is
back-compat)
* Use addIndex
; From: Sven Teichmann [mailto:s.teichm...@s4ip.de]
> Sent: Tuesday, June 16, 2015 10:34 AM
> To: java-user@lucene.apache.org
> Subject: IndexFormatTooOldException while upgrading Lucene 4.10 index to
> 5.2
>
> Today I tried to upgrade a Lucene 4.10 index to 5.2 using the IndexUpg
Today I tried to upgrade a Lucene 4.10 index to 5.2 using the IndexUpgrader.
This throws the following exception:
Exception in thread "Lucene Merge Thread #0"
org.apache.lucene.index.MergePolicy$MergeException:
org.apache.lucene.index.IndexFormatTooOldException: Format version is
not supported (re
search stops to work and I get this IndexFormatTooOldException.
Do you have an idea what could be the cause of this problem?
Thanks for your help!
Patrick
