Lucene - Solrnet /.NET Sample Without MVC?

Apr 17, 2010

I am trying to get a handle on Solrnet and interacting an ASP.NET site with a Solr server. However, the sample app (on the code repository) is MVC based ,does anyone know of a version in plain vanilla ASP.NET?

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May 26, 2010

-Edit- Important: I updated the code to not use obsoluete functions. Now only the NoSuchDirectoryException issue remains

Edit: NOTE i can bypass the NoSuchDirectoryException by creating the folder in a winform app and copy it. However i still have a LockObtainFailedException issue if i dont shut down properly.I have an issue with (Lucene.net 2.9.2

[https://svn.apache.org/repos/asf/lucene/lucene.net/tags/]. It throws a lock exception. After poking around i notice these things.

My code below works in an app bit when calling in Application_Start i get a NoSuchDirectoryException.Not closing the writer (as my code doesnt do below) i WILL get a LockObtainFailedException with the message

Lock obtain timed out: SimpleFSLock@<FULL_PATH> from either app or asp.net

These thread hinted when spawning threads they get less permissions then i do (but! my main thread has problems as well...) and one solution is to impersonate IIS. I am using visual studios 2010. I am not sure how full blown it is but my attempt to impersonate it failed.

So my question is how do i have lucene create the directory and not throw an exception if dont close the writer for some reason (such as power going out)?

http://stackoverflow.com/questions/2341163/why-is-my-lucene-index-getting-locked/2499285#2499285

http://stackoverflow.com/questions/1123517/lucene-net-and-i-o-threading-issue/1123981#1123981

static IndexWriter writer = null;
static void lucene_init()
{
[code].....

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To Use Lucene (on Linux) And .net (on Windows) At The Same Time?

Jan 13, 2010

I want to start a new project I need performance as well as a neat and robust GUI

about the performance I have around 2 millions documents which I like to index'em by the help of lucene installed on linux due to its performance and security.

and about GUI I'd like to have flexible and professional look website and since I'm experienced with .net I'd like to retrieve the lucene's result and show it in my own way.

I've heard about some RESTful services available inside the lucene but I don't have any clue according to that and how to connect these two together.

how can I connect asp.net to lucene?

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searcher.Search(query, collector)
Dim hits() As ScoreDoc = collector.TopDocs.scoreDocs
For Each sDoc As ScoreDoc In hits
'get doc and return
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i = 0
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This way, we don't need to SELECT COUNT(*) which would be a big performance killer, and we just move up the pk values until we stop getting any results. This has it's con: if we have a hole greater than 20,000 values somewhere in the table, it will stop indexing assuming it reached the end, but that's a tradeoff we have to live for now.

way of getting data from a table to index? I would assume we are not the first ones facing this problem - search engines are widely used nowadays :)

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I've found this example which extracts text from docx and it seems to work okay. But before building my own solution based on this I was wondering if there's something already available for the other file formats?

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