Re: Lucene 2.x to 4.x upgrade possible?

2012-07-18 Thread Ian Lea
k two > times. > > Uwe > > - > Uwe Schindler > H.-H.-Meier-Allee 63, D-28213 Bremen > http://www.thetaphi.de > eMail: u...@thetaphi.de > > >> -Original Message- >> From: Nilesh Vijaywargiay [mailto:nilesh.vi...@gmail.com] >> Sent: Tuesd

RE: Lucene 2.x to 4.x upgrade possible?

2012-07-18 Thread Uwe Schindler
o: java-user@lucene.apache.org > Subject: RE: Lucene 2.x to 4.x upgrade possible? > > Hi, > > You have to first "convert" your indexes with version 3.x to migrate from 2.x to > 4.0. This can be done with the new tool called "IndexUpgrader" > (available since L

RE: Lucene 2.x to 4.x upgrade possible?

2012-07-18 Thread Uwe Schindler
om] > Sent: Tuesday, July 17, 2012 11:14 PM > To: java-user@lucene.apache.org > Subject: Lucene 2.x to 4.x upgrade possible? > > Hi Folks, > > I need your help in determining whether we upgrade to 3.6 or wait till 4.0 > becomes stable. > > We are currently usi

Re: Lucene 2.x to 4.x upgrade possible?

2012-07-18 Thread Ian Lea
The release notice for 4.0-alpha sent to this list says "file format backwards compatibility is provided for indexes from the 3.0 series" so you won't be able to go straight from 2.x to 4.0. I'm sure that will remain true for all 4.x releases. The comments about waiting for a stable release of 4.

Lucene 2.x to 4.x upgrade possible?

2012-07-17 Thread Nilesh Vijaywargiay
Hi Folks, I need your help in determining whether we upgrade to 3.6 or wait till 4.0 becomes stable. We are currently using 2.x version of lucene and would like to upgrade to 3.6(and 4.0 ultimately). But we were informed by few blogs that 4.0 will not be backward compatible which means that the o