agilewiki-wiki — General discussion.

[AgileWiki] documentation

[Bill la F. <laf...@ya...>]

The README.txt file in the AwServer directory has now been updated to include the documentation for rebuild.
   
  Try it! I think you'll find that it's pretty quick!
   
  Bill

 				
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[AgileWiki] rebuild is now working, if not yet finished

[Bill la F. <laf...@ya...>]

I've got rebuild working now, though there are still some things I want to work on. And of course, I need to update the README.txt files, too.
   
  Bill

 				
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[AgileWiki] Introducing Tom Chen

[Bill la F. <laf...@ya...>]

I'd like to welcome Tom Chen to the developers group:
   
    I have a Bachelor degree in Computer Science and 4 years of experience in J2SE. Currently, I am learning J2EE. Hopefully, I can help out in the project and gain some experience.
   
  Bill

 				
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[AgileWiki] good progress today on database rebuild

[Bill la F. <laf...@ya...>]

Rebuild is now working. There are a few holes (destroy is not recorded to the log file) and a number of problems, but its working.
   
  If all goes well, it will be finished tomorrow.
   
  Bill

 				
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[AgileWiki] some progress on rebuild facility

[Bill la F. <laf...@ya...>]

org.agilewiki.ark.tks.Rebuild
   
  This is where I'm putting the rebuild logic. It is called from org.agilewiki.ark.ArkDb.rebuild, which is called from org.agilewiki.Main.
   
  Anyway, I can now read in transactions, one transaction at a time. So the logic to handle multiple log files, transaction fragments, and start and end transaction recognition is all done, tested and working.
   
  Now I just need to be able to process the silly things. :-)
   
  Bill

 				
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Re: [AgileWiki] something for Niall

[Bill la F. <laf...@ya...>]

Niall,
   
  My style is to give small assignments. My strength is in slicing a problem into a few small and easy to program pieces. It makes the work easy, I just need more practice on explaining WHY I sliced things the way I did. 
   
  Anyway, this one seemed a natural for you as you already documented the error. Which was way cool.
   
  Bill

Niall Loughnane <nia...@ya...> wrote:
    Hi Bill,
   
  Thats fine.
   
  I will go through it and see why there is an exception/issue arrising. :-)
   
  Thanks,
   
  Niall



 				
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[AgileWiki] fyi

[Bill la F. <laf...@ya...>]

http://laforge49.blogspot.com/2006/06/laying-groundwork-for-restore-utility.html


		
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[AgileWiki] something for Niall

[Bill la F. <laf...@ya...>]

Naill,

I believe that when AwServer is started before the
rmiregistry, the AwServer throws an exception but does
not exit. I think the problem code would be in
org.agilewiki.framework.Portal. Please fix it, OK?

I suspect that the error occurs when AwServer is
binding its name to the registry. The easy fix would
probably be to trap the exception, give a nice error
message, and then exit the program. (I have not looked
at the code, however.)

Is this a reasonable assignment for you?

Bill


		
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[AgileWiki] arguments on AwServer

[Bill la F. <bil...@su...>]

I've just barely started the rebuild facility--it will be invoked by a 
command line argument when running AwServer.

AwServer now takes a single argument,  which can be any of the following:

*no arguments* - a normal run
run - a normal run
clean - deletes all but the .wdbr files
new - does a clean & run to create an all-new database
rename - renames the .wdbl files to .wdbr
rebuild - create the database from the .wdbr files

Of course, the last option does not work yet!!!

Bill

[AgileWiki] What to work on?

[Bill la F. <bil...@su...>]

Naill, here's a thought that I think applies to every potential developer.

Before you can really understand AgileWiki, you need to be a user. Right 
now that's pretty hard, as there is no content to work with. (Trust me, 
it makes a big difference.) But at least there is now some basic 
documentation.

So try using it. If it doesn't work, perhaps you just found a bug? If 
you can't figure it out, then we need to enhance the documentation or 
change something. Play with it. Ask lots of really dumb-seeming 
questions, including "what on earth is the xyz command good for?"

Hopefully, in a few weeks it will be stable enough to start adding some 
content. Then it will be easier.

Bill

[AgileWiki] two helpful documents

[Bill la F. <bil...@su...>]

Niall,

I made some very minor changes and added them to the "Documents & files" 
on agilewiki.dev.java.net.

Good work!

Bill

Niall Loughnane wrote:

> Hi Bill,
>  
> I have created some documentation on the installation of the source 
> code, that you may find useful for other developers, :-)
>  
> Please find attached "Installing Source Code for Agilewiki.zip".
>  
> I have got the server and the client running successfully through 
> NetBeans but i am having an issue downloading the source code using 
> TortoiseSVN, please find attached document "Tortoise CVS steps.zip".
>  
> If you can please see if the documents are accurate.
>  
> These documents are just for additions into the AgileWiki documenation 
> repository.
>  
> Thanks,
>  
> Niall

[AgileWiki] a tip for using svn on java.net

[Bill la F. <bil...@su...>]

If you are having problems with your svn setup, be sure the url begins 
https and not http.

Menawhile, I'm really loving yahoo.co.in! First it was being blocked by 
sourceforge as a source of spam. Now mail being sent to it is bouncing 
because of "Resources temporarily unavailable". There have also been a 
few cases (today) where email sent to me did not arrive and did not 
bounce.   :-(

Bill

[AgileWiki] test

[Bill la F. <laf...@ya...>]

test
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[AgileWiki] a slow start on the utilities

[Bill La F. <Wil...@Su...>]

Well, I got distracted by the documentation. And then there's my day 
job, of course.

Did a little work over lunch. When you run the ark, it now looks at the 
command line arguments and complains if it sees something it doesn't 
understand--which right now is everything.

I'm thinking of something very simple to start off with--new. The new 
argument would cause the database, before image and all log files to be 
deleted before starting up the database. And that means reading the 
current working directory and identifying the files to be deleted. After 
that, I'll start work on restore.

I've also been looking at the initialization logic for ArkDb. Currently 
a random rid is assigned to the Ark Rolon. I want to change that to be a 
fixed character string to simplify the restore logic.

And how is everyone else doing? :-)

Bill

[AgileWiki] documentation--What's missing?

[Bill la F. <bil...@su...>]

OK, I spent last night and this morning adding links to make it a small 
bit nicer. I've also added pages on access control and user groups, 
bringing it up to 12 pages. The directory is now userdoc rather than 
just doc. I've also updated web/index.html and added a brief intro to 
web/userdoc/index.html.

Gosh, its amazing what a little encouragement will do. :-)

Now the big question back to you. What's missing?

Bill

gordan milojevic wrote:

> Re: Subject:[AgileWiki] more documentation
>  
> Hi Bill, its very useful and good part which can help me to better
> understend princip of AgileWiki, I was updating from svn, newly
> revision(all to r_375) and will help me.
> best regards
> gordan
>
> *//*

Re: [AgileWiki] Subject: more documentation

[gordan m. <gor...@ya...>]

Re: Subject:[AgileWiki] more documentation
   
  Hi Bill, its very useful and good part which can help me to better
  understend princip of AgileWiki, I was updating from svn, newly
  revision(all to r_375) and will help me.
  best regards
  gordan

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Today's Topics:

1. more documentation (Bill La Forge)


----------------------------------------------------------------------

Message: 1
Date: Tue, 13 Jun 2006 10:48:24 +0530
From: Bill La Forge 
Subject: [AgileWiki] more documentation
To: General discussion 
Message-ID: <448...@Su...>
Content-Type: text/plain; format=flowed; charset=us-ascii

I've now checked in several additional pages of documentation. You will 
find them under AwServlet/web.

There is not a lot of substance here. Mostly I'm focusing on the 
high-level view, with the intent of providing some initial orientation 
for end users.

Bill



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[AgileWiki] Backup utilities, TKS properties

[Bill La F. <Wil...@Su...>]

In AgileWiki2 there were utilities for dumping and restoring, for the 
whole database or only a single Cabinet. There was also a snap utility 
which would dump only present state. This latter was used to help manage 
the size of the database, as well as being very helpful when we wanted 
to change the low-level datastructures. AgileWiki2 was built on 
BerklyDB, which handled the transaction processing, log files and recovery.

In AgileWiki3 we are not using BerklyDB and all the files are at least 
an order of magnitude smaller. And between conversion to Java and 
writing our own database, we've seen a speed increase which sometimes 
reaches 3 orders of magnitude. But then, this is a custom database 
designed just for AgileWiki. However, both TKS (the AgileWiki3 database) 
and BerklyDB are btrees and support transactions.

So we are creating our own log file in AgileWiki3. And the first utility 
will be to rebuild the database from scratch using only a set of log files.

The log files consist of a series of transactions, but the content is 
comprehensive. In most cases, the entire request event (XML document) 
from the client is captured. As well, every database property change is 
recorded. However, updates to the inverted indexes are not captured 
separately. The trick here is that TKS properties with a name beginning 
with "_" are inverted properties.

Hmm. Another thing to keep in mind is that only the doc property can 
contain line feeds. This property is then given special handling in the 
log file.

Oh and then there are property tables. Properties with names ending with 
"-" have as their value a series of key/value pairs. And the order is 
significant (think list, not set). Of course, inverted table properties 
are supported as well, though in this case the values are not used in 
the inverted table.

Bill

[AgileWiki] Introducing Niall Loughnane

[Bill La F. <Wil...@Su...>]

I'd like to introduce Niall to this list. Of note, Niall would like to 
help with the database utilities, so I'll be posting a bit more about 
what I'm doing/planning in that area. --Bill

Niall Loughnane:

-    I previously worked for IBM where i designed and implemented an IBM 
DB2 Database - Internet Program. I also developed a Java Graphical User 
Interface (GUI) program for the Engineering Department. This design was 
achieved using Java Swing.
 
-    I now work for a company creating software for the Medical sector 
using Java, Delphi, Visual Basic, _VBScript, _JavaScript, ASP, SQL, 
SourceOffSite, Windows, VMWare Environment, Microsoft Access, Database 
Desktop, Paradox, SQL Server.

[AgileWiki] 10 pages of "user" documentation

[Bill La F. <Wil...@Su...>]

I've now got 10 web pages of user doc checked in under AwServlet/web/doc.

Is anyone finding this helpful? Any comments??

I'm off to a bit of a slow start on the database utilities, but I 
figured a little documentation at this point couldn't hurt. I figure 
we've gotta have something out there before we can call it beta. :-)

Bill

[AgileWiki] article on security and bugs

[Bill La F. <Wil...@Su...>]

http://www.eweek.com/article2/0,1895,1972593,00.asp

[AgileWiki] more documentation

[Bill La F. <Wil...@Su...>]

I've now checked in several additional pages of documentation. You will 
find them under AwServlet/web.

There is not a lot of substance here. Mostly I'm focusing on the 
high-level view, with the intent of providing some initial orientation 
for end users.

Bill

[AgileWiki] markup language documentation

[Bill la F. <bil...@su...>]

I've now added a page of documentation on the markup language used by 
AgileWiki3. You will find this under subversion in the AwServlet/web 
directory. (It will go out with the next release.) OK, I've also 
attached it.

Bill

[AgileWiki] thoughts about database recovery

[Bill la F. <bil...@su...>]

First, let me note that there are bugs in the database, at least one.

Having fixed several known errors, I find that there are still 
occasional problems. Its a catch-22 situation, in part at least. Until 
we start using the database more, we have no experience with what the 
bugs are, so they are very hard to find. But without reliability, we 
don't want to use the database. But it is not really quite as bad as 
that. We can develop tools for capturing/restoring content, reducing the 
amount of data at risk significantly.

There are two nice things about having completed the citation logic. 
First, the data structures should now be stable for some time, at least 
until I start working on classifiers--and that will likely not be for a 
few months. Second, the data structures for references (used by the 
citation logic) pushes the database pretty hard, causing errors to 
surface which would otherwise remain hidden for quite some time.

One thought here is to develop some code to exercise the database. The 
problem is in knowing what to exercise. For example, creating a cabinet 
already creates a lot of structures but it runs reliably. I don't see 
this approach as gaining us much in the short term.

Now the database already creates a log file, which is not currently 
being used. (So it is likely buggy.) This log file contains (or 
should/will contain) enough information to rebuild the database from 
scratch. But there may be some problems caused when the AwServer is 
restarted. So I'm thinking that the first step should be to begin a new 
log file (with a date stamp) each time the server is restarted. Then I 
can focus on rebuilding the database using a collection of log files.

Bill

Re: [AgileWiki] Roles

[sougata b. <sou...@ya...>]

Let me know what is my assignment. I started working with "adding an amount to an entry" but could not understand the perpose. And also want to know with Drawer will it go?
cheers
sougata

Bill la Forge <bil...@su...> wrote: Topics include the Ark, Cabinets, Drawers, Folders and Pages.

Roles include Topics and LedgerSections (LSecs).

I've now added a Roles cache and a roles command. Further, curly brace 
notation now works with roles rather than just topics.

Bill



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[AgileWiki] Roles

[Bill la F. <bil...@su...>]

Topics include the Ark, Cabinets, Drawers, Folders and Pages.

Roles include Topics and LedgerSections (LSecs).

I've now added a Roles cache and a roles command. Further, curly brace 
notation now works with roles rather than just topics.

Bill