[Dspace-tech] SWORD item deposit error

2012-07-19 Thread Zhiwu Xie
Hello,

I was trying to insert a zip file to an existing item using SWORD, but
got an error saying Unacceptable content type in deposit request:
application/zip. I had thought zip was always acceptable looking at
the source code.

My previous test with the example pdf file was successful. What could
have gone wrong?

Thanks,

Zhiwu

curl -i --data-binary @fish.zip -H Content-Disposition:
filename=fish.zip -H Content-Type: application/zip -H X-No-Op:
false -H X-Verbose: true -u $username:$pass
http://developer.tower.lib.vt.edu/sword/deposit/123456789/37824

HTTP/1.1 100 Continue

HTTP/1.1 415 Unsupported Media Type
Date: Thu, 19 Jul 2012 15:57:42 GMT
Content-Type: application/atom+xml;charset=UTF-8
Transfer-Encoding: chunked

sword:error xmlns:atom=http://www.w3.org/2005/Atom;
xmlns:sword=http://purl.org/net/sword/;
href=http://purl.org/net/sword/error/ErrorContent;atom:summaryUnacceptable
content type in deposit request:
application/zip/atom:summaryatom:titleERROR/atom:titleatom:updated2012-07-19T11:57:42.907Z/atom:updatedsword:userAgentcurl/7.19.7
(x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.12.9.0 zlib/1.2.3
libidn/1.18 libssh2/1.2.2/sword:userAgent/sword:error

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Re: [Dspace-tech] bulk item import in dspace

2007-09-27 Thread Zhiwu Xie
If it's out of memory error you may want to modify the eclipse.ini and
add some memory, e.g.,: -vmargs -Xmx512M

Zhiwu Xie

On 9/27/07, Kush Sharma [EMAIL PROTECTED] wrote:
 hi,

 i am trying to run the itemimport utility in dspace.
 the program gets executed on the command prompt but in eclipse it gives an
 out of memory error.
 but i don't know what is the expected output.
 i have checked the item table, metadatavalue table and the bitstreanm table
 but no entry is being made into any of these tables.
 i have picked up the dc-schema from the dspace doumentation the program is
 parsing the schema but when it goes to the additem loop it gets bust it
 shows an out of memory error.
 please help me out

 kush sharma

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[Dspace-tech] 1.5 build no target for dspace project

2007-09-15 Thread Zhiwu Xie
Hi,

I was following
http://wiki.dspace.org/index.php/IDE_Integration:_DSpace%2C_Eclipse_and_Tomca
to try a 1.5 build, and was stuck right before the section Running
Ant to Install DSpace. The maven build was successful, but there's no
target directory created under the dspace project, and no
dspace-api-1.5-SNAPSHOT directory created under the dspace-oai
project. I have no idea where're the jar files for the dspace-api
project.

The maven build info is copied below, please help!

Thanks,

Zhiwu Xie

--

[INFO] Scanning for projects...
[INFO] Reactor build order:
[INFO]   DSpace Kernel :: API and Implementation
[INFO]   DSpace Assembly and Configuration
[INFO]   DSpace OAI :: Web Application
[INFO]   DSpace JSPUI :: Web Application
[INFO] 

[INFO] Building DSpace Kernel :: API and Implementation
[INFO]task-segment: [package]
[INFO] 

[INFO] resources:resources
[INFO] Using default encoding to copy filtered resources.
[INFO] compiler:compile
[INFO] Compiling 236 source files to
/home/lakhdspace/workspace/dspace-api/target/classes
[INFO] resources:testResources
[INFO] Using default encoding to copy filtered resources.
[INFO] compiler:testCompile
[INFO] No sources to compile
[INFO] surefire:test
[INFO] No tests to run.
[INFO] jar:jar
[INFO] Building jar:
/home/lakhdspace/workspace/dspace-api/target/dspace-api-1.5-SNAPSHOT.jar
[INFO] 

[INFO] BUILD SUCCESSFUL
[INFO] 

[INFO] Total time: 13 second
[INFO] Finished at: Sat Sep 15 19:24:36 MDT 2007
[INFO] Memory 12M/39M
[INFO] 

[INFO] 

[INFO] Building DSpace Assembly and Configuration
[INFO]task-segment: [package]
[INFO] 

[INFO] site:attach-descriptor
[INFO] 

[INFO] BUILD SUCCESSFUL
[INFO] 

[INFO] Total time: 1 second
[INFO] Finished at: Sat Sep 15 19:24:38 MDT 2007
[INFO] Memory 10M/39M
[INFO] 

[INFO] 

[INFO] Building DSpace OAI :: Web Application
[INFO]task-segment: [package]
[INFO] 

[INFO] resources:resources
[INFO] Using default encoding to copy filtered resources.
[INFO] snapshot org.dspace:language-packs:1.5-SNAPSHOT: checking for
updates from maven.dspace.org
[INFO] compiler:compile
[INFO] Compiling 10 source files to
/home/lakhdspace/workspace/dspace-oai/target/classes
[INFO] resources:testResources
[INFO] Using default encoding to copy filtered resources.
[INFO] compiler:testCompile
[INFO] No sources to compile
[INFO] surefire:test
[INFO] No tests to run.
[INFO] war:war
[INFO] Exploding webapp...
[INFO] Copy webapp webResources to
/home/lakhdspace/workspace/dspace-oai/target/dspace-oai-1.5-SNAPSHOT
[INFO] Copy webapp webResources to
/home/lakhdspace/workspace/dspace-oai/target/dspace-oai-1.5-SNAPSHOT
[INFO] Assembling webapp dspace-oai in
/home/lakhdspace/workspace/dspace-oai/target/dspace-oai-1.5-SNAPSHOT
[INFO] Generating war
/home/lakhdspace/workspace/dspace-oai/target/dspace-oai-1.5-SNAPSHOT.war
[INFO] Building war:
/home/lakhdspace/workspace/dspace-oai/target/dspace-oai-1.5-SNAPSHOT.war
[INFO] 

[INFO] BUILD SUCCESSFUL
[INFO] 

[INFO] Total time: 16 second
[INFO] Finished at: Sat Sep 15 19:24:54 MDT 2007
[INFO] Memory 2M/39M
[INFO] 

[INFO] 

[INFO] Building DSpace JSPUI :: Web Application
[INFO]task-segment: [package]
[INFO] 

[INFO] resources:resources
[INFO] Using default encoding to copy filtered resources.
[INFO] compiler:compile
[INFO] Compiling 85 source files to
/home/lakhdspace/workspace/dspace-jspui/target/classes
[INFO] resources:testResources
[INFO] Using default encoding to copy filtered resources.
[INFO] compiler:testCompile
[INFO] No sources to compile
[INFO] surefire:test
[INFO] No tests to run.
[INFO] war:war
[INFO] Exploding webapp...
[INFO] Copy webapp webResources to
/home/lakhdspace/workspace/dspace-jspui/target

Re: [Dspace-tech] [vote] Do we want to assign external identifiers (Handles) to files?

2007-07-20 Thread Zhiwu Xie
I tend to agree with Graham:

1. That can of worm may have already been opened as soon as people
approach the persistent identifier issue. Items are relatively stable
so we don't have much of a problem on assigning handles to them but
the same can't said about the files. At least for now the admin is
free to delete/add files at will. To add the versioning helps but may
not completely eliminate the problem.

2. It would be nice to have a sensitive tool/solution accompanying
assigning handles to files, at least to help most of the admin
usecases when the identifier needs to be changed/re-assigned. I
remember someone has written a note for W3C arguing that the
persistent identifier issue is purely an adminnistrative problem. I
think he's right to some extent. To administer well the admin needs
tools. With the tools in hand then perhaps it's up to the admin to use
it wisely. BTW I think the admin can always mess up if s/he wants to.

Zhiwu


On 7/20/07, Graham Triggs [EMAIL PROTECTED] wrote:
 From: James Rutherford [EMAIL PROTECTED]
  I absolutely agree. But how can you guarantee that it resolves to what it
  is meant to be identifying if you completely disallow the possibility to
  reassign it?
 
  I'd flip this around and say how can you guarantee that it resolves to
  what it is meant to be identifying if you *do* allow the possibility to
  reassign it. Oh, what a can of worms!

 You can't. But that isn't the issue. If you are going to have the situation
 where an id may not resolve correctly, then you have to have the tools to be
 able to correct - even if that can create problems through misuse.

  I was tempted to say that you shouldn't be allowed to delete a file that
  has an external identifier (or at least that the default implementation
  shouldn't). As soon as I realised that wouldn't be possible, you have to
  consider the possibility of reassigning the handle.
 
  This isn't actually strictly true. Once we have versioning, it could
  well be impossible (presumably at the discretion of the repository
  curator) to delete *anything*, only to be able to create a new head
  version of the container that doesn't hold any reference to the file you
  wanted to delete.

 As nice as that would be in theory, and even if it is the likely 'normal
 operation', you will always have to cater for being able to completely erase
 a file or item (ie. legal issues).

  Remember that in systems with versioning, deletion is
  a very different concept to systems where versioning isn't supported.
  The points I have made so far assume we are working with a system that
  supports versioning.

 Yes, the external id could refer - and continue to refer - to a 'deleted'
 but still accessible file. But bear in mind that we should make no
 assumption of what external id system(s) are used for the assignment, and
 that system may not be providing a persistent identifier. So we can't assume
 what the appropriate behaviour of handling that id is on file / item
 deletion.

  Remember, that such a reassignment is (or rather should only be used for)
  altering the resolution of the identifier - which doesn't automatically
  mean that you are conceptually changing what it identifies.
 
  Danger danger! Surely we would just be giving our adopters enough rope
  with which to hang themselves by doing this. It is pretty obvious that
  people will never use things the way we've decided that they should, no
  matter how much we jump up and down and tell them that it's the wrong
  thing to do.

 True - but I could argue that by even having the ability to assign external
 / persistent identifiers to anything you are giving adopters enough rope to
 hang themselves.  But having them is also a fundamental part of
 preservation, and they are likely hanging themselves if they don't use them
 (appropriately).

 There are so many issues that I don't think it's possible to ever write a
 system where it would be impossible for adopters to not hang themselves
 (with enough functionality to sustain a diverse community). The best we can
 do is minimize the potential for these problems in 'normal' operation, and
 provide extra (separate) functionality that can try to correct problems that
 do arise.

 G

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Re: [Dspace-tech] [vote] Do we want to assign external identifiers (Handles) to files?

2007-07-19 Thread Zhiwu Xie
Then what will happen if I remove one file from an item and add
another file? Will the new file get the old handle or a new one or I
can choose?

Thanks,

Zhiwu



On 7/19/07, James Rutherford [EMAIL PROTECTED] wrote:
 On Thu, Jul 19, 2007 at 11:14:15AM -0400, Mark Diggory wrote:
  Just for clarification to the group... Its unclear what your
  requesting a vote on: Anyone can assign an external identifier to a
  Bitstream in an external identification system. Can you answer the
  two following questions for the group?

 Only if I can answer them in the wrong order :)

  2.) Are you suggesting that Internal Identifiers (currently sequence
  id's) will be structured differently in 1.6 such that one can assign
  one to a bitstream independent of the parent items identifier?

 Yes, definitely. At the moment, files get UUIDs, which are used in the
 URL space instead of sequence ids etc. For example, the following url
 points to a pdf in my testing repository:

 [my_base_url]/dspace/resource/uuid:d0875067-6853-4c54-9d72-ff7888e43c42

  1.) Are you suggesting that we will support an infrastructure in
  DSpace to assign those via an external identifier service (currently
  the Handle System in 1.5, ExternalIdentifierManager in 1.6)?

 It would work exactly the same for Bitstreams as it currently does for
 Items. This is purely about enlarging the scope (and expanding the
 flexibility) of what we're currently doing, not necessarily about
 changing the way we do it (at least not yet).

 cheers,

 Jim

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Re: [Dspace-tech] Adding items without bitstreams

2007-04-18 Thread Zhiwu Xie
I had the same problem. My work around is to upload an html file that simply
does a redirect to the full-text source.

Zhiwu Xie



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Stuart Lewis
[sdl]
Sent: Tuesday, April 17, 2007 11:53 PM
To: BEAZLEY, Robert; dspace-tech@lists.sourceforge.net
Subject: Re: [Dspace-tech] Adding items without bitstreams

Hi Robert,

 Is it possible to add items to DSpace without uploading a file? We have a
need
 to add citations to our repository where we may not have the right to
 distribute the actual article itself. At the moment we're just using a
 placeholder text file but we'd like to be able to do away with this if
it's at
 all possible.

At present it is not possible - but will be in the next major release of
DSpace (1.5) which will include what is known as the 'configurable
submission system' (CSS).

In the mean time, you could look at installing just that functionality:

http://sourceforge.net/tracker/index.php?func=detailaid=1370187group_id=19
984atid=319984

Or you could install the whole of the configurable submission system:

http://sourceforge.net/tracker/index.php?func=detailaid=1532695group_id=19
984atid=319984

I hope this helps,


Stuart
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Prifysgol Cymru Aberystwyth   University of Wales Aberystwyth

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Re: [Dspace-tech] Large files and DSpace

2007-04-18 Thread Zhiwu Xie
Most large files are audio/video files. Downloading the whole file may not
be a good solution here. Maybe adapting the large files to suit the users'
needs, e.g., if the user's bandwidth or usage environment is limited, then
adapting the audio/video files into lower quality streams, would be a more
sustainable approach?

Besides, DSpace does not necessarily just give whatever it holds to the
users. The dissemination can be adaptive based on various factors.

Building such an adaptive dissemination framework shall be very interesting.

Zhiwu Xie



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Cory Snavely
Sent: Tuesday, April 17, 2007 6:55 AM
To: dspace-tech@lists.sourceforge.net
Subject: Re: [Dspace-tech] Large files and DSpace

Interesting thought, but using bittorrent would require the setup of
several peer sites in order to do its thing. Probably a good idea from a
preservation standpoint but I would suspect not practical for many, and
there are of course easier ways to support large transfer demands.

I've thought that if a need emerged for us to handle this type of media,
the DAS we use for the assetstore would be just fine, as of course would
a SAN or NAS arrangement, but submissions would probably need to come on
removable media and be loaded by staff, and distribution would probably
need to be via streaming, which I know has been discussed on this list.
To me those are the indicated approaches for this issue.

c

On Mon, 2007-04-16 at 22:30 -0300, Afonso Comba de Araujo Neto wrote:
 The problem is very intriguing and I felt like giving my 2 cents.
 
 I don't even think the problem is where you'll put it or how you'll  
 integrate such files to DSpace. The main problem is how a regular user  
 would download such a gigantic file.
 
 My first try would be to use another technology which is focused on  
 handling such downloads. The best technology I can think of for this  
 kind of thing is  bit torrent. If I had to do that, I would include on  
 DSpace just a .torrent file and instruct the users how to download  
 using the bit torrent protocol (links to free clients, etc.). Not only  
 it would be way better than a simple http download, but it could  
 alleviate the strain on your server, which certainly would build up  
 with such lengthy downloads.
 
 
 Regards,
 Afonso Araujo Neto
 
 
 
 
 
 Citando Gary Browne [EMAIL PROTECTED]:
 
  We have an assetstore residing on a SAN which solves the capacity
  issues, but as Cory says it is more the logistics of getting items into
  and out of the assetstore which is the problem.
 
  Regards
  Gary
 
 
  Gary Browne
  Development Programmer
  Library IT Services
  University of Sydney
  Australia
  ph: 61-2-9351 5946
  -Original Message-
  From: [EMAIL PROTECTED]
  [mailto:[EMAIL PROTECTED] On Behalf Of Cory
  Snavely
  Sent: Tuesday, 17 April 2007 10:55 AM
  To: dspace-tech@lists.sourceforge.net
  Subject: Re: [Dspace-tech] Large files and DSpace
 
  I'd be interested to know how using SRB addresses the problem, which I
  understand to be the logistics of handling such a large file in both the
 
  user interface and the back end. Does it?
 
  Cory Snavely
  University of Michigan Library IT Core Services
 
  - Original Message -
  From: Ekaterina Pechekhonova [EMAIL PROTECTED]
  To: Gary Browne [EMAIL PROTECTED]
  Cc: dspace-tech@lists.sourceforge.net
  Sent: Monday, April 16, 2007 8:12 PM
  Subject: Re: [Dspace-tech] Large files and DSpace
 
 
  Hi Gary,
  you can configure Dspace to use SRB instead of regular assetstore.
  Some
  basic information can be found in the docs which come
  with Dspace.Also you can check this link:
  http://wiki.dspace.org/index.php//DspaceSrbIntegration
 
  Kate
 
  Ekaterina Pechekhonova
  Digital Library Programmer/Analyst
  New York University
  Libraries
  email: [EMAIL PROTECTED]
  phone: 212-992-9993
 
  - Original Message -
  From: Gary Browne [EMAIL PROTECTED]
  Date: Monday, April 16, 2007 7:41 pm
  Subject: [Dspace-tech] Large files and DSpace
  To: dspace-tech@lists.sourceforge.net
 
  Hello All
 
 
 
  I think I posted a question like this last year but I've just become
  a
  dad for the first time and have a bit of brain meltdown. I tried
  searching for answers on the annoying sourceforge list archive
  (should
  I
  start a separate thread about this...?) but didn't find much.
 
 
 
  My question is a general one in that I'm wondering how people are
  handling large files in DSpace (getting them onto the server,
  submissions and publication/access)? Is the SymLink stuff the only
  option at this point? For example, we have (and will be getting lots
  more of) a 12GB video file to be used in one of our collections. I'd
  like to nut out what the possible options are before I try anything.
 
 
 
  Thanks and kind regards
 
  Gary
 
 
 
 
 
  Gary Browne
  Development Programmer
  Library IT Services
  University of Sydney
  Australia
  ph

[Dspace-tech] redirect 8443 to 80?

2007-04-06 Thread Zhiwu Xie
Apology if I'm re-posting. A previous email didn't show up so I'm re-sending
it.

--

Hello,

I'm following the Dspace wiki page DspaceOnStandardPorts and
ServletSecurity to run Dspace on Tomcat without Apache. I've set up the
iptables to
rrdirect port 80 to 8080 and 443 to 8443, then set the Tomcat secure
redirectPort to 443 instead of 8443, so I don't get the 8443 port
number such as https://laii-dspace.unm.edu:8443 at the browser address
bar, but then when I click the DSpace logo from a secured page such as

https://laii-dspace.unm.edu/password-login

all the following pages are through https regardless of which the page
is, which bothers me.

But when I tried to click the dspace logo from the mit dspace page

https://dspace.mit.edu/password-login

the request to the https://dspace.mit.edu/ seems to be rerouted to
http://dspace.mit.edu/. So what's the trick?

Thanks,

Zhiwu




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Re: [Dspace-tech] redirect port 8443 to 80?

2007-04-06 Thread Zhiwu Xie
Thank you guys for the replies. I've been resisting the idea to install
Apache, thinking not to install unnecessary services as much as possible. I
need to think hard on this. Perhaps compromise has to be made somewhere.

Any other people using Tomcat only run into this problem (following the
ServletSecurity http://wiki.dspace.org/index.php/ServletSecurity method but
can't escape from https to http)? Yes, nothing wrong with using https on
every page, just a bit waste.

Cory, I tried Deepblue and it seems you're not running it over https because

https://deepblue.lib.umich.edu/ won't return any result. On the other hand I
don't know why you can't just shut port 8080 from iptables. I guess unless I
intentionally type port 8080 at the url the port number won't show in any
links?

Thanks,

Zhiwu






-Original Message-
From: Cory Snavely [mailto:[EMAIL PROTECTED] 
Sent: Friday, April 06, 2007 10:08 AM
To: dspace-tech@lists.sourceforge.net
Cc: Zhiwu Xie
Subject: Re: [Dspace-tech] redirect port 8443 to 80?

For folks listening in with interest, we also use NAT port forwarding to
get around the requirement for mod_jk, but FWIW I haven't determined a
way to close the incoming *actual* Tomcat ports (8080/8443). So, a
potential downside with this approach, in addition to not having any
real logic like mod_rewrite to apply at that intermediary level.

Mind you, it's not really harmful or vulnerable, it's just a little ugly
to have your actual nonstandard ports all hanging out like that.

Cory Snavely
University of Michigan Library IT Core Services

On Fri, 2007-04-06 at 11:56 -0400, Mark Diggory wrote:
 We use Apache, mod_jk and mod_rewrite to deliver the webapplication  
 on port 80 and port 443 as separate VirtualHost entries in Apache  
 httpd. We do not allow direct access to the tomcat server over port  
 8080 or port 8443.  I can send some more detail of our configuration  
 if you decide to go this route.
 
 -Mark
 
 On Apr 6, 2007, at 11:32 AM, James Rutherford wrote:
 
  On Thu, Apr 05, 2007 at 09:39:53AM -0600, Zhiwu Xie wrote:
  bar, but then when I click the DSpace logo from a secured page  
  such as
 
  https://laii-dspace.unm.edu/password-login
 
  all the following pages are through https regardless of which the  
  page
  is, which bothers me.
 
  The links used in DSpace are relative, so if you login via https, you
  will continue with https.
 
  But when I tried to click the dspace logo from the mit dspace page
 
  https://dspace.mit.edu/password-login
 
  the request to the https://dspace.mit.edu/ seems to be rerouted to
  http://dspace.mit.edu/. So what's the trick?
 
  The only reason the MIT site is different is because (I assume) they
  have some custom configuration elsewhere that redirects https requests
  to http for normal use. If you try accessing https://dspace.mit.edu  
  you
  will be redirected to the unsecured version at http://dspace.mit.edu.
 
  cheers,
 
  Jim
 
  -- 
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  Office:
  Research Engineer |  Cain Road,
  HP Labs   |  Bracknell,
  Bristol, UK   |  Berks
  +44 117 312 7066  |  RG12 1HN.
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  The contents of this message and any attachments to it are  
  confidential and
  may be legally privileged. If you have received this message in  
  error, you
  should delete it from your system immediately and advise the  
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  recipient of this message within HP, unless otherwise stated you  
  should
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[Dspace-tech] redirect port 8443 to 80?

2007-04-05 Thread Zhiwu Xie
Hello,

I'm following the Dspace wiki page DspaceOnStandardPorts and
ServletSecurity to run Dspace on Tomcat only. I've set up iptables to
route port 80 to 8080 and 443 to 8443, then set the Tomcat
redirectPort to 443 instead of 8443, so I don't get the 8443 port
number such as https://laii-dspace.unm.edu:8443 at the browser address
bar, but then when I click the DSpace logo from a secured page such as

https://laii-dspace.unm.edu/password-login

all the following pages are through https regardless of which the page
is, which bothers me.

But when I tried to click the dspace logo from the mit dspace page

https://dspace.mit.edu/password-login

the request to the https://dspace.mit.edu/ seems to be rerouted to
http://dspace.mit.edu/. So what's the trick?

Thanks,

Zhiwu

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Re: [Dspace-tech] About OAI Harvester Plug-In for DSpace

2007-04-03 Thread Zhiwu Xie
There used to be an OAI-Harvester patch at:

https://sourceforge.net/tracker/index.php?func=detailaid=1187554group_id=1
9984atid=319984

but now there's no patch file attached there. Any chance I can have that old
patch before the new branch releases?

Many thanks,

Zhiwu



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of James
Rutherford
Sent: Thursday, March 08, 2007 9:25 AM
To: Tellier, Stephane
Cc: DSpace Tech
Subject: Re: [Dspace-tech] About OAI Harvester Plug-In for DSpace

On Thu, Mar 08, 2007 at 07:58:12AM -0500, Tellier, Stephane wrote:
 I've noticed on a wiki page that this module seems to be actually
 revamped by the ChinaDigitalMuseumProject. Is it on th road to become
 available? Does anyone got some news about it?

This would probably be my job ;) In the near future, I'm going to make
pf-dspace (a project in which we are trying to generalise certain core
parts of the Digital Museum code) available for general consumption.
This will either be as a set of patches (my least favourite option), as
a separate project on sourceforge (better, but still not ideal), or as a
branch in the main SVN repository (my favourite option, but one I need
to gather further input on before proceeding).

 Also, did someone used this plug-in with dspace version 1.4.1?

The code should work fine with 1.4.1; the latest code that I'm running
works with the code in the SVN trunk.

In future, please only cross-post to -tech and -devel if absolutely
necessary.

Jim

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Re: [Dspace-tech] install postgresql 7.4 without compiling?

2007-02-12 Thread Zhiwu Xie
Yes I agree. The pre-built postgresql 7.4 supports UNICODE. My question is
how to interpret the part of the Dspace installation doc quoted below:

http://dspace.org/technology/system-docs/install.html

Unicode (specifically UTF-8) support must be enabled. This is enabled by
default in 8.0+. For 7.x, be sure to compile with the following options to
the 'configure' script:

--enable-multibyte --enable-unicode --with-java

I compared postgresql doc 7.4 and 8.2 at:

http://www.postgresql.org/docs/7.4/interactive/multibyte.html

and

http://www.postgresql.org/docs/8.2/interactive/multibyte.html

The difference is that in 7.4 If no -E or --encoding option is given,
SQL_ASCII is used. But in 8.2 If no -E or --encoding option is given,
initdb attempts to determine the appropriate encoding to use based on the
specified or default locale.

My interpretation is that the pre-built 7.4 RPM does not automatically
create all database with UNICODE by default, that may be the reason why the
dspace installation doc asks us to re-compile from the source. But then the
installation doc also override this by specifying -E UNICODE when create the
dspace database so this should not be a problem. Perhaps this is just an
insurance policy in case someone writes a dpsace extension, creates another
database but forgets to add the encoding. If that's the case, initdb with -E
UNICODE is all I need because initdb defines the default character set for
a PostgreSQL cluster.

Even for version 8.x, what if my default locale is US English but I still
want the UNICODE database? I guess in any case initdb or createdb with -E
UNICODE is the way to go regardless of the postgresql version, and
re-compiling from source does not seem necessary.

If that's the case, I think the dspace installation doc can use a bit
clarification on this. Apology if I'm stating the obvious.

Zhiwu Xie






-Original Message-
From: Jim Downing [mailto:[EMAIL PROTECTED] 
Sent: Monday, February 12, 2007 5:27 AM
To: Zhiwu Xie; dspace-tech@lists.sourceforge.net
Subject: Re: [Dspace-tech] install postgresql 7.4 without compiling?

Hi Zhiwu Xie,


Zhiwu Xie wrote:
 A newbie question:

 I'm installing Dspace on a minimum installation of CentOS 4.4. The
 installation doc says:

 Unicode (specifically UTF-8) support must be enabled.  This is
 enabled by default in 8.0+.  For 7.x, be sure to compile with the
 following options to the 'configure' script:
 --enable-multibyte --enable-unicode --with-java 

 Since I can easily yum the postgresql 7.4 I wanted to avoid compiling
 from source. My later admin work can be a lot easier if I yum install
 postgresql. If the --enable-unicode is just to enable using Unicode in
 the database, can I just add -E UNICODE when I do initdb? The
 --with-java option is to build the jdbc, which I can also easily yum.
   

I'd be surprised if the packaged postgresql didn't already have unicode 
support, in which case you'll be able to specify the encoding when you 
createdb.

Best regards,

jim


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