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From "Uwe Schindler" <...@thetaphi.de>
Subject RE: Is it safe to upgrade to Oracle Java 7u7 for Lucene/Solr development and use?
Date Thu, 20 Sep 2012 16:33:05 GMT
No Oracle fixed the problem in 7u1, see http://blog.thetaphi.de/2011/10/java-7-update-1-released-does-it-fix.html
If you use Java 7 GA then your index is corru(m)pt in milliseconds :-)

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe@thetaphi.de


> -----Original Message-----
> From: Jack Krupansky [mailto:jack@basetechnology.com]
> Sent: Thursday, September 20, 2012 6:26 PM
> To: dev@lucene.apache.org
> Subject: Re: Is it safe to upgrade to Oracle Java 7u7 for Lucene/Solr
> development and use?
> 
> 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
> <jack@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: uwe@thetaphi.de
> >
> >
> >
> > From: Jack Krupansky [mailto:jack@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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