Hi, You must first download the 3.6.2 Lucene version and upgrade using the upgrade tool from the lucene-core-3.6.2.jar. After this, your index is in Lucene 3.6 format, which can be read with Lucene 4.
Uwe ----- Uwe Schindler H.-H.-Meier-Allee 63, D-28213 Bremen http://www.thetaphi.de eMail: u...@thetaphi.de > -----Original Message----- > From: Buddhavarapu, Suresh [mailto:suresh.buddhavar...@emc.com] > Sent: Monday, June 16, 2014 1:46 PM > To: java-user@lucene.apache.org > Subject: RE: Lucene Upgrade from 2.9.x to 4.7.x > > I was trying the Demo application from 4.7.2 on an index created by 2.9.1. I > get a org.apache.lucene.index.IndexFormatTooOldException exception. > I tried the upgrader tool. Same exception again. > > Is there an upgrader tool that can work with a 2.9.1 tool? Or Do I have to > build > one? Any guidelines would helpful > > > Thanks, > Suresh > > -----Original Message----- > From: Buddhavarapu, Suresh [mailto:suresh.buddhavar...@emc.com] > Sent: Friday, May 30, 2014 1:13 PM > To: java-user@lucene.apache.org > Subject: RE: Lucene Upgrade from 2.9.x to 4.7.x > > Thanks Xiaolong. Really the item 5 is helpful. > > -----Original Message----- > From: Xiaolong Zheng [mailto:xiaolong.zh...@mathworks.com] > Sent: Thursday, May 29, 2014 8:44 PM > To: java-user@lucene.apache.org > Subject: Re: Lucene Upgrade from 2.9.x to 4.7.x > > I just upgrade Lucene from 2.0.0 to 4.6.1, here is a list of collections that > I was > using during the upgrade: > > > 1. Lucene 2.0 API > <http://www.lhelper.org/dev/lucene-2.0.0/docs/api/index.html> > 2. Lucene 4.7.2 Core API > <http://lucene.apache.org/core/4_7_2/core/index.html> > 3. Lucene 4.7.2 Analyzers-Comon API > <http://lucene.apache.org/core/4_7_2/analyzers- > common/index.html?overview-s > ummary.html> > 4. Lucene 4.7.2 QueryParser API > <http://lucene.apache.org/core/4_7_2/queryparser/index.html> > 5. Lucene Change Log > <http://lucene.apache.org/core/4_7_2/changes/Changes.html> > 6. Apache Lucene Migration Guide > <http://lucene.apache.org/core/4_7_2/MIGRATE.html> > > > I would like to say number 5 is also very helpful. > > > > Thanks, > Xiaolong Zheng > > > > > > > On 5/29/14 9:56 AM, "Buddhavarapu, Suresh" > <suresh.buddhavar...@emc.com> > wrote: > > >Hello, > > > >I'm looking for some documents/information on upgrade from Lucene 2.9.x > >to 4.7.2. This is the first time I'm doing a upgrade. Can someone point > >me to some help in this? > >Is there a documentation on "what has changed" from 2.9.x to 4.7.2? > > > >Thanks, > >Suresh > > > --------------------------------------------------------------------- > 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 > > > > --------------------------------------------------------------------- > 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
