Thanks, but I was under the impression that there was a release of 1.7 that
did not work properly with Lucene. Or, was there a workaround in a
subsequent release of Lucene so that Lucene/Solr (3.6, 3.6.1, 4.0, 5.0) now
works with even that early Java 7 release that failed with earlier releases
of Lucene/Solr?
-- Jack Krupansky
-----Original Message-----
From: Robert Muir
Sent: Thursday, September 20, 2012 11:45 AM
To: dev@lucene.apache.org
Subject: Re: Is it safe to upgrade to Oracle Java 7u7 for Lucene/Solr
development and use?
BUILD.txt:
Lucene Build Instructions
Basic steps:
0) Install JDK 1.6 (or greater)
On Thu, Sep 20, 2012 at 11:40 AM, Jack Krupansky
<j...@basetechnology.com> wrote:
Okay, that was the one place I hadn’t looked. Thanks. Still, it seems to
me
that a release should clearly state what it requires, and there is no
mention in the 4.0 text files what Java versions are supported, other than
the ambiguous references I mentioned. I mean, if someone is starting out
with 4.0, why should they have to read the release notes for 3.6??
-- Jack Krupansky
From: Uwe Schindler
Sent: Thursday, September 20, 2012 10:52 AM
To: dev@lucene.apache.org
Subject: RE: Is it safe to upgrade to Oracle Java 7u7 for Lucene/Solr
development and use?
We already stated that in Lucene 3.5/3.6 release note! It’s fine since
Java
7u1. There are no news in Lucene 4.0
-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: u...@thetaphi.de
From: Jack Krupansky [mailto:j...@basetechnology.com]
Sent: Thursday, September 20, 2012 4:49 PM
To: Lucene/Solr Dev
Subject: Is it safe to upgrade to Oracle Java 7u7 for Lucene/Solr
development and use?
The Oracle Java Update tool on my Windows PC is pretty insistent that it
wants to update my machine to Java 7u7 and REMOVE Java 6. Is it safe to
use
Java 7u7 for both Lucene Solr development and running Solr yet? My
presumption has been that Lucene/Solr still “requires” Java 6.
The 4.0 Solr README.txt says to use the Java 6 JDK, but then adds “verify
that the Java version is 1.6 or later ”, implying that a later release
would
be okay. Given that Java 7 will be the “current” release, the README
should
make some specific statement regarding Java 7.
And maybe the top-level README.txt should have a Java version statement –
unless both 7 and 6 are fine – although there is a minimum update level
that
works for 7 and Lucene, right? In any case, clear guidance should be
provided.
The Solr 4.0 CHANGES.txt does say “You
need a Java 1.6 VM or later installed”, suggesting that Java 7 is fine. No
mention of Java version requirement in the Lucene CHANGES.txt.
I may just manually install 7u7 and not use it to avoid the update notice
until Lucene/Solr “upgrades” to Java 7, but I suspect a fair number of
people will simply take the update and say goodbye to Java 6.
-- Jack Krupansky
--
lucidworks.com
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