-<xlog server="chat.freenode.net" channel="#existdb" date="2008-03-19">

<message nick="perig_" time="08:27:15.45Z">Hi Dannes</message>

<message nick="DiZzZz" time="08:28:47.234Z">il presidente</message>

<message nick="perig_" time="08:29:38.875Z">No I'm not : all over here. Well... nearly over</message>

<message nick="perig_" time="08:32:16.899Z">Don't worry : everything went as expected. And even better ;-)</message>

<message nick="DiZzZz" time="09:00:13.666Z">after some days of silence our g/f is on the ML again</message>

<message nick="DiZzZz" time="09:23:25.136Z">shi is lucky... I have time-outs on the urls she sends, with username/password :-)</message>

<message nick="DiZzZz" time="09:56:46.274Z">perig?</message>

<message nick="DiZzZz" time="09:57:29.933Z">under which conditions the log file can grow, when a query does *not* xupdate/xmldb:store data in the database? just... querying?</message>

<message nick="perig_" time="10:00:39.08Z">query errors are looged, aren't they ? or... are you talking about the journal ?</message>

<message nick="perig_" time="10:04:10.377Z">satisfied with the answer cefn ? ;-)</message>

<message nick="cefn" time="10:04:40.608Z">the answer - Michael Kay's ? I feel like an idiot</message>

<message nick="cefn" time="10:05:47.239Z">just a misreading of the manual - I had the right interpretation of this path construct in the first place - then changed it based on a misreading </message>

<message nick="cefn" time="10:06:12.363Z">still - some useful test cases and bug finds for memproc perhaps</message>

<message nick="perig_" time="10:06:30.948Z">Well, I was sure you were experiencing such a misinterpretation. I was unable to explain it though. Too tired maybe...</message>

<message nick="cefn" time="10:06:52.938Z">two late nights programming in a row - bad juju</message>

<message nick="DiZzZz" time="10:07:39.972Z">perig... sorry indeed the journal</message>

<message nick="perig_" time="10:09:41.607Z">Now, we are in the heart of the problem : eXist still has some issues with some location steps, essentially descendant-or-self (we knew that since we have a few failures in the XQTS) and, apparently, with the attribute axis in the memproc branch (which is new, as far as I know)</message>

<message nick="perig_" time="10:10:47.156Z">dizzzz : it shouldn't, but I wonder if underlying caching operations don't modify the data pages, which would explain the growth or, at least, a moderate one</message>

<message nick="DiZzZz" time="10:13:41.603Z">perig_ .. tthought so</message>

<message nick="DiZzZz" time="10:14:30.73Z">well the issue... with a empty database, with a simple query I blow up dom.dbx to 40 mb; no sweat</message>

<message nick="DiZzZz" time="10:14:53.12Z">the journal grows like a maniak, later dom.dbx and elements.dbx</message>

<message nick="DiZzZz" time="10:15:46.202Z">I should check it on 1.2.1 but I have some reports here telling me the same</message>

<message nick="perig_" time="10:16:50.51Z">can't you put some breakpoints and see what triggers log feeding ?</message>

<message nick="perig_" time="10:17:45.024Z">no background tasks ? backup or whatever ?</message>

<message nick="DiZzZz" time="10:18:50.623Z">perig.... no vergin database</message>

<message nick="perig_" time="10:19:50.915Z">constructed nodes in the query ?</message>

<message nick="perig_" time="10:21:59.95Z">normal then : as you know, those nodes are likely to be saved on disk...</message>

<message nick="perig_" time="10:22:27.978Z">... then flushed to the log (despite Adam's efforts in this area)</message>

<message nick="DiZzZz" time="10:23:33.257Z">normal.... ouch. I have megabytes large dbx files containing almost nothing</message>

<message nick="DiZzZz" time="10:23:53.194Z">one query of a few lines</message>

<message nick="perig_" time="10:25:14.925Z">if you create N nodes each time, it might explain</message>

<message nick="DiZzZz" time="10:25:45.897Z">hmmmmm</message>

<message nick="DiZzZz" time="10:26:06.134Z">one of my db's is not performing anymore because of this... :-(</message>

<message nick="DiZzZz" time="10:26:24.619Z">I did not realize the problem was this big</message>

<message nick="perig_" time="10:26:40.952Z">consider using a "batch transaction" ?</message>

<message nick="wolf77" time="10:28:11.094Z">sorry, guys, just had to save the world... ;-)</message>

<message nick="wolf77" time="10:28:29.269Z">DiZzZz: how about taking eXist-memproc for a test drive?</message>

<message nick="DiZzZz" time="10:28:48.174Z">"Currently only for XQuery Update Extensions"</message>

<message nick="DiZzZz" time="10:29:23.232Z">wolf ... welcome back ; did you flush the porceline ?</message>

<message nick="DiZzZz" time="10:29:48.066Z">wolf77 ; yeas that would be a good thingy</message>

<message nick="wolf77" time="10:30:09.435Z">what is "Currently only for XQuery Update Extensions" ?</message>

<message nick="DiZzZz" time="10:33:50.165Z">the batch transaction stuff</message>

<message nick="DiZzZz" time="10:34:13.727Z">according to the docs</message>

<message nick="wolf77" time="10:35:05.126Z">ah, not sure about it. But it won't help with temporary fragments anyway.</message>

<message nick="perig_" time="10:39:31.999Z">Discard the batch transaction, which could have generated much smaller log chunks. Of course, a live test with memproc would be more useful for everybody ;-)</message>

<message nick="DiZzZz" time="10:40:45.408Z">yeahs.....</message>

<message nick="DiZzZz" time="10:41:12.095Z">well I have to skip it to this afternoon... no exist for me during daytime</message>

<message nick="DiZzZz" time="10:41:20.686Z">illegally trying stuff now</message>

<message nick="Adam__" time="11:21:22.368Z">hmm think there may be some sort of caching problem with util:set-option() with regards the serializer</message>

<message nick="_delirium" time="11:28:43.067Z">I have a quick namespaces query... If I have used declare default element namespace, then how later in my XQuery can I generate an element that is in the default namespace? is it xmlns="" or does that mean something else</message>

<message nick="_delirium" time="11:29:37.02Z">I mean generate an element that is in no-namespace i.e. not the default one I declare initially?</message>

<message nick="_delirium" time="12:09:00.951Z">err:XPST0003: Parse error: element name containing whitespace: expecting closing curly brace '{'</message>

<message nick="_delirium" time="12:09:08.081Z">isnt a closing curly brace '}'</message>

<message nick="dimitar_" time="12:32:57.873Z">hello guys</message>

<message nick="dimitar_" time="12:33:16.058Z">I have a small problem with XML:DB</message>

<message nick="dimitar_" time="12:33:38.889Z">when I'm registering the driver with Class c = Class.forName("org.exist.xmldb.DatabaseImpl");</message>

<message nick="dimitar_" time="12:33:53.699Z">I get java.lang.ClassNotFoundException: org.exist.xmldb.DatabaseImpl</message>

<message nick="dimitar_" time="12:36:08.061Z">have no idea what could be wrong, the database is started and I added xmldb.jar in my project</message>

<message nick="_delirium" time="12:46:01.748Z">dimitar_, well that seems to be that xmldb.jar is not on your classpath</message>

<message nick="_delirium" time="12:46:24.599Z">or even that exist.jar isnt on your classpath</message>

<message nick="perig_" time="12:47:00.998Z">from the error message, xmldb.jar</message>

<message nick="dimitar_" time="12:55:17.252Z">thank you guys, exist.jar wasn't on the classpath</message>

<message nick="perig_" time="13:02:52.881Z">Adam was right : Database*Impl*</message>

<message nick="perig_" time="13:03:23.703Z">Not much response on GSoC :-(</message>

<message nick="dimitar_" time="13:14:24.39Z">one more thing - do I need exist.jar on the client side if I want to work with XML:DB?</message>

<message nick="_delirium" time="13:16:42.438Z">perig_, early days early days ;-)</message>

<message nick="perig_" time="13:22:48.214Z">_delirium : OK, but should we give more publicity ?</message>

<message nick="_delirium" time="13:23:35.038Z">perig_, sure - wolf asked me to write a blog and we should probably write to the mailing list - but i have like no time at the moment - im right upto a deadline to finish some work - so someone else will have to have a go...</message>

<message nick="perig_" time="13:23:36.67Z">dimitar_ : I guess no, xmldb.jar is probably a sufficient abstraction.</message>

<message nick="perig_" time="13:24:52.113Z">erm, OK. I will probably make an announce on the french-speaking networks then ;-)</message>

<message nick="_delirium" time="13:26:18.69Z">why not the english ones as well?</message>

<message nick="_delirium" time="13:26:23.637Z">your english is superb</message>

<message nick="_delirium" time="13:26:33.11Z">probably better than mine ;-)</message>

<message nick="perig_" time="13:41:52.278Z">Well, will do it when I'm back home... unless someone took the initiative before. Lack of connectivity here (Usenet in particular)</message>

<message nick="wolf77" time="13:48:27.635Z">If you write something, please send me a copy and I will put it on the blog.</message>

<message nick="_delirium" time="14:10:02.564Z">back laters</message>

<message nick="cefn" time="17:12:54.295Z">if I believe that the database is corrupted, what can be done to reset it?</message>

<message nick="cefn" time="17:15:11.612Z">When copying html files from a web crawl to the exist 'filesystem' via webdav it threw back a java.lang.IllegalArgumentException: Invalid URI: xmldb URI scheme has no instance name and hasn't been the same since</message>

<message nick="cefn" time="17:16:15.188Z">Possibly it didn't like the characters in...ReportaConcern.aspx%3FPageURL=54b35bd4d25bebedc2feae1ccd7e4099d2f5e38d1598d66efa4b1fcaab69b691bb55de0cd5cf8c9d73bc37c39fe9ed23bcbf99f4b6ce507f6c2656affbafe3c618f8643c9f93785f.html</message>

<message nick="cefn" time="17:24:45.371Z">now it seems to be impossible to delete any files or directory through webdav on Mac - it reports 'in use' and the server side shows java.lang.NullPointerException at org.exist.storage.NativeBroker$NodeRef.<init>(NativeBroker.java:2881)</message>

<message nick="cefn" time="17:24:58.999Z">version 1.2.1-dev</message>

<message nick="Claudius" time="18:51:09.942Z">hi, any of the GSoC mentors here?</message>

<message nick="Claudius" time="18:54:30.835Z">ah ok because I might be interested to put in an application for either the configuration or XSLT 20.0 task</message>

<message nick="perig_" time="18:57:22.168Z">I'd probably mentor the XSLT 2.0 stuff</message>

<message nick="Claudius" time="19:00:29.853Z">Ok do you actually want the student to write a whole new processor or is it more an integration task? The reason why I'm asking is that I'm not sure whether my programming skills would be sufficient for that task (I have quite a bit of experience with J2ee but haven't done a lot of low level stuff)</message>

<message nick="perig_" time="19:01:30.765Z">No, it's really a processor although not too difficult to code.</message>

<message nick="perig_" time="19:01:55.279Z">The main problem is to understand/acquire eXist's internal.</message>

<message nick="perig_" time="19:01:59.595Z">internals</message>

<message nick="Claudius" time="19:03:55.782Z">ah ok so I guess I'd get some help on that If I'd apply</message>

<message nick="Claudius" time="19:04:22.779Z">or do you expect the student to already have knowledge of the internal architecture</message>

<message nick="perig_" time="19:05:03.354Z">*I* clearly expect the student to show me that he is able to grab some knowledge in just a few days :-)</message>

<message nick="perig_" time="19:07:06.962Z">Last year, one of our students provided some code stubs with his application, which cleanly showed that he was totally aware of what was requested : he got an excellent mark ;-)</message>

<message nick="Claudius" time="19:07:44.213Z">ok :) so its a lot about understanding the problem </message>

<message nick="Claudius" time="19:08:08.295Z">sounds very intersting</message>

<message nick="Claudius" time="19:10:59.458Z">So how shall I proceed now (just write a draft application and send it to the mailing list?)</message>

<message nick="perig_" time="19:12:05.908Z">No ; you'll get an application form available at Google soon</message>

<message nick="perig_" time="19:12:26.826Z">In the meanwhile : learn :-)</message>

<message nick="perig_" time="19:12:59.341Z">ask questions, well, do your best to get a good application</message>

<message nick="Claudius" time="19:13:10.025Z">ah ok, I'll have a look at the code then and come back when the application form is available</message>

<message nick="perig_" time="19:14:12.19Z">the code is probably good to read, but you should also consider reading our documentation, our mailing-lsit archives...</message>

<message nick="perig_" time="19:14:45.094Z">How are your XSLT 2.0/XPath 2.0 skills ?</message>

<message nick="Claudius" time="19:14:57.221Z">ok will do I've already subscribed to the mailing list</message>

<message nick="Claudius" time="19:15:57.432Z">mhh skills wise I'd say that I'm fairly confident in writing a stylesheet and know about the concepts</message>

<message nick="perig_" time="19:17:18.753Z">good then. XQuery is welcome as well since you'll porbably have to derive our current XQuey code</message>

<message nick="Claudius" time="19:17:59.078Z">I've written my MSc thesis on XQuery (or a big part of it was) ;-)</message>

<message nick="perig_" time="19:18:14.008Z">hehe... sounds encouraging ;-)</message>

<message nick="Claudius" time="19:27:54.186Z">ok I'm off in a bit ... I'll let you know when the application forms are ready and I've had a look at the internals</message>

<message nick="perig_" time="19:30:10.952Z">We'll know when the forms are ready since we will comment them ;-)</message>

<message nick="Claudius" time="19:35:53.397Z">ok :) thanks for your time (got to get some food now :P)</message>

</xlog>