Thanks for the update Uwe!

Rgds,Rory


On 09/08/2017 17:50, Uwe Schindler wrote:
Hi Rory,

Thank you for heads-up. I installed JDK 8 update 144 and Java 9 build 181 a 
minute ago. Once the first runs have succeeded, I'll report back.

About the current state:
- Apache Lucene 6.6 and the coming Apache Lucene 7.0 is fully comliant to Java 9 and works with 
"--illegal-access=deny", so the "kill switch" is not needed.
- Apache Solr 6.6 and Apache Solr 7.0 work (Java wise), but the startup (shell) 
scripts don't detect the Java version correctly. I think a fix is in the make 
(for Windows and Linux). But if you ignore the startup scripts and do it 
yourself, it works. We applied some fixes for third party libraries that don't 
work correctly (e.g. Hadoop in the version we use).

Older Solr and Lucene versions may still have problems, as the Module system 
changed some internal APIs we need for unmapping files, but generally they 
should work, but not everything might be with best performance (e.g. it chooses 
slow NIOFSDirectory instead on memory mapping).

We currently do not support Lucene with Automodules, so you *have* to use Lucene on 
classpath. The reason is that the JAR files share same packages. So you cannot make 
modules out of Lucene or Solr. We may support this in later versions, but that's not an 
important reason for us. You can still combine all of Lucene and Solr and make one huge 
"Uber Module" out of it (and that's what I personally recommend), but that's up 
to the user.

Uwe

-----
Uwe Schindler
Achterdiek 19, D-28357 Bremen
http://www.thetaphi.de
eMail: u...@thetaphi.de

-----Original Message-----
From: Rory O'Donnell [mailto:rory.odonn...@oracle.com]
Sent: Tuesday, August 8, 2017 12:04 PM
To: Dawid Weiss <dawid.we...@cs.put.poznan.pl>; Uwe Schindler
<u...@thetaphi.de>
Cc: rory.odonn...@oracle.com; Dalibor Topic <dalibor.to...@oracle.com>;
Balchandra Vaidya <balchandra.vai...@oracle.com>; Muneer Kolarkunnu
<abdul.kolarku...@oracle.com>; dev@lucene.apache.org
Subject: Ready for JDK 9 ?


Hi Uwe & Dawid,

Thank you very much for all your testing of JDK 9 during its
development! Such contributions have significantly helped shape and
improve JDK 9.

Now that we have reached the JDK 9 Final Release Candidate phase [1] , I
would like to ask if your project can be considered to be 'ready for JDK
9', or if there are any remaining show stopper issues which you've
encountered when testing with the JDK 9 release candidate.

JDK 9  b181 is available at http://jdk.java.net/9/

If you have a public web page, mailing list post, or even a tweet
announcing you project's readiness for JDK 9, I'd love to add the URL to
the upcoming JDK 9 readiness page on the Quality Outreach wiki.


Looking forward to hearing from you,
Rory

[1] http://openjdk.java.net/projects/jdk9/

--
Rgds,Rory O'Donnell
Quality Engineering Manager
Oracle EMEA , Dublin, Ireland


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--
Rgds,Rory O'Donnell
Quality Engineering Manager
Oracle EMEA , Dublin, Ireland


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