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From Itamar Syn-Hershko <>
Subject Re: Lucene.NET 4.8.0 status update
Date Sat, 06 Sep 2014 19:59:51 GMT

We have now merged the entire v4.8 working tree with the master branch of
our repository (

This means we are working full-steam ahead towards a v4.8 release. We still
have many failing tests we need help with fixing them, and also some stuff
we will need ported before we can do a release (highlighters, queries etc).

I'm also working on setting up a CI pipeline for the project, and a lot of
other important goodness.

Again, any help appreciated. Please make sure you sign an ICLA with Apache
before sending us a Pull Request.


Itamar Syn-Hershko | @synhershko <>
Freelance Developer & Consultant
Microsoft ASP.NET / IIS MVP
Author of RavenDB in Action <>

On Fri, Aug 8, 2014 at 6:34 AM, Itamar Syn-Hershko <>

> Hi all.
> I've been working on the 4.8 branch to try and stabilize it so it can be
> the base for our next release. There's still plenty to do, but I was able
> to make decent progress.
> This thread will be used for me to report progress and hopefully get some
> more people involved.
> My branch is here:
> Out of about 2300 tests currently, there are about 600 failing tests and
> the rest are green. At least 300 of the failing tests are due to missing
> codecs (some codecs haven't been ported yet). The rest of the failures can
> be largely categorized as below.
> 1. The missing codecs need to be ported (into a separate assembly). There
> isn't too much of code to port and work is pretty much self contained.
> However completing this will make about 300 tests green.
> The code to port is here:
> 2. Compressed fields implementation is largely broken. Quite a few test
> are red and I'm pretty sure the fix is quite simple, just a faulty
> implementation to quickly re-write.
> 3. Many, many tests are very slow or even deadlocking because of threading
> issues. Culprits are both IndexWriter and FSDirectory. This is the most
> severe and probably challenging issue to solve.
> There are multiple failures which I believe relate to this issue. "Access
> to the path is denied." on index files, failing Asserts etc.
> 4. The fsync implementation (in FSDirectory) needs some love and testing.
> 5. The rest of the failing tests are probably isolated porting issues
> (Java / C# differences or bugs introduced while porting). I attached a
> screenshot of one such error, thrown using Debug.Assert from the core while
> running some of the tests.
> Other items to tackle later:
> 1. CLS compliance. Maybe the biggest item there is the byte/sbyte thing we
> discussed several times before.
> 2. Porting the contribs.
> 3. Cleaning up the API and XML comments
> 4. Fixing the license header in all source files
> 5. CI pipeline and SlowTest attribute to have some tests run only on
> nightly builds or similar
> Anyone up for some coding?
> --
> Itamar Syn-Hershko
> | @synhershko <>
> Freelance Developer & Consultant
> Author of RavenDB in Action <>

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