[dspace-tech] Re: DSpace CRIS 5.8 - Metadata from DOI

[Natalie Neumann]

Hi everyone,

we discovered that the same thing happens with the bibtex-, ORCID- and 
PMID-Import (possibly with all?), if one of the authors is already in the 
system, only this author is carried over to the input form.

Regards,
Natalie

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[dspace-tech] How to rebuild/reset/fix SOLR statistics?

[euler]

Dear All,

How can I reset the SOLR statistics of our repository? While compiling the 
statistics like top downloads in every year since we started in 2011, I 
discovered that the whole year of 2014 and some months in 2015 have zero 
values which is very unlikely. So I tried to reindex the SOLR as stated 
here: https://wiki.duraspace.org/display/DSDOC5x/SOLR+Statistics+Maintenance 
using 
the command [dspace]/bin/dspace solr-reindex-statistics. The command 
executed without problems but now when I run the SOLR queries to get the 
statistics, I have now different (lower) values in the years that I have 
previously recorded. In line with this, can I reset the SOLR statistics? 
All my dspace logs are still intact and I would like to convert, export and 
then re-import them in SOLR statistics. Is it SAFE to delete the 
[dspace]/solr/statistics directory before running the reimport again to 
avoid duplication of statistics since I've read that this should only be 
run once? Also, although it is stated in the wiki page that I mentioned 
above that solr-reindex-statistics is safe to run on a live site, I am 
encountering the "process cannot access the file because it is being used 
by another process" thus interrupting the reindexing process.

Please advise if my steps on resetting my SOLR statistics and if there are 
other ways that I could do to fix this.

DSpace version:  5.5
OS:  Windows 2003(x86) version 5.2
 Discovery:  enabled.
   JRE:  Oracle Corporation version 1.7.0_21
   Ant version:  Apache Ant(TM) version 1.8.2 compiled on December 20 2010
 Maven version:  3.3.1

Thanks in advance and best regards,
euler

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[dspace-tech] How can I add a new workflow step that only displays an html page?

[Eyal Visoker]

We need to display to the user, legal conditions document before actual 
submission of a document to the dspace repository.
The legal document is an html page.
If I understand correctly, I need to add a new step to the submission 
process.
We are using XMLUI with Dspace 6 on Linux.
I couldn't figure out from the documentation, how to add a new first step 
with a new html page, to the submission process.
1. Is it the right way to do it (add a workflow step)?
2. Please supply an example.
Thanks!

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Re: [dspace-tech] Slow performance Dspace 6.2

[Ying Jin]

Hi Bill,

We are experiencing the same performance issue with 6.2. Although our 
community pages load OK, but still much slower than v5.x. Some of our 
collections will time out to load or take several minutes to load. They are 
not big collections, one of them only have 20 items, but each items 
contains 100+ bitstreams. The postgresql left so many "idle in transaction" 
processes that will slow down the overall site. The tomcat begin to take 
most of the CPU time too.

We used to use 16G of memory for tomcat under v5.x, and the performance has 
been ok. Now, even I increased to 64G(half of our server memory) under 6.2, 
the performance didn't improve. 

BTW, we are using Tomcat 8.0.13, Java 1.8, Redhat Linux 6.7, and XMLUI. We 
have about 80+ communities, 280+ collections, 60,000+ items and 490,000 
bitstreams. 

Is this a common issue with 6.2?

Best,
Ying



On Thursday, January 25, 2018 at 9:46:28 AM UTC-6, Bill T wrote:
>
> I am recently experimenting with v6.2 as well, and I am experiencing the 
> same problems with community pages.  This is possibly not the best layout, 
> but we essentially have 1 top level community which contains all other 
> collections and communities which number about 1000. Performance loading 
> this community was satisfactory in version 5.x, but has become extremely 
> slow in v6.x.  Anonymous users see a load time of approximately 20 seconds. 
>  Admin users see a somewhat faster load time, approximately 18 seconds. 
>  Non-admin logged in users see a page load time of over 1 minute.  Any of 
> these times prohibit us from going into production with DSpace 6.
>
> Other community pages are faster, depending on the number of sub 
> collections/communities, but still too slow for production and much slower 
> than v5.x
>
> Our setup is
> RHEL 7
> 8 cores, 32 GB
> java 1.8.0, tomcat 8.5.14
> postgresql 9.6.2
>
> This should be more than enough in terms of hardware and software, and ran 
> DSpace 5 successfully.
>
> Is there anybody in the community with a similarly sized instance (1000 
> communities and collections, 60,000 item records) running DSpace 6?
>
> Tom Desair addressed an even worse problem in the 'select collection' page 
> of the submission form about a year ago;  Is there a similar problem on the 
> community pages? (Sorry to pick on you Tom, that's what you get for being 
> helpful).
>
> Any questions/comments/suggestions will be appreciated.  We would love to 
> upgrade, but just can't with the performance I'm seeing.
>
> Thanks!
> Bill
>
> On Tuesday, September 19, 2017 at 10:22:24 AM UTC-5, christian criollo 
> wrote:
>>
>> Hi Tim
>>
>> Thanks for  the answer in the initial instaaltion the logs shown the 
>> migration was successfully and the table schema_version too, this is not 
>> the only problem what i have had 
>> 
>>
>>
>>
>> 
>>
>>
>>
>> 
>>
>>
>> 
>>
>>
>>  
>>
>> El martes, 19 de septiembre de 2017, 9:31:23 (UTC-5), Tim Donohue 
>> escribió:
>>>
>>> All,
>>>
>>> Just verifying that these indexes are supposed to be created 
>>> automatically (for either Oracle or Postgres) as they exist in the 6.0 
>>> database migration scripts:
>>>
>>> https://github.com/DSpace/DSpace/blob/dspace-6_x/dspace-api/src/main/resources/org/dspace/storage/rdbms/sqlmigration/oracle/V6.0_2015.03.07__DS-2701_Hibernate_migration.sql#L368
>>>
>>> It sounds like the migrations may not have all completed successfully. 
>>> Not sure why that would be. The logs from the initial installation may have 
>>> provided more information as to whether the 
>>> "V6.0_2015.03.07__DS-2701_Hibernate_migration" migration succeeded or not.  
>>> You also could double check that your database reports successful 
>>> migrations by running [dspace]/bin/dspace database info   (This command 
>>> reports the current database status, and a larger table that lists all 
>>> database migrations and whether each has run successfully on the database.)
>>>
>>> Good luck,
>>>
>>> Tim
>>>
>>>
>>> On Tue, Sep 19, 2017 at 1:25 AM Alan Orth  wrote:
>>>
 Good to know, Christian. I don't use Oracle so I'm not sure, but I 
 assume that these indexes were supposed to be created by DSpace during 
 installation. Must be a bug.

 Regards,

 On Tue, Sep 19, 2017 at 12:50 AM christian criollo  
 wrote:

> Hi Alan
>
> I find the reason of slowly and the problem it was indexes database  
> in t

[dspace-tech] DSpace Developer Show and Tell Meetings

[Terry Brady]

I would like to schedule a couple of developer show and tell meetings for
DSpace developers to share knowledge about development tools, testing
frameworks and deployment environments.

Details are posted below.  Please  add your name to the page if this would
be of interest to you.  Also, please note the topics that you need to know
more about to support your software development efforts.

https://wiki.duraspace.org/display/DSPACE/DSpace+Developer+Show+and+Tell+Meetings

Terry
-- 
Terry Brady
Applications Programmer Analyst
Georgetown University Library Information Technology
https://github.com/terrywbrady/info
425-298-5498 <(425)%20298-5498> (Seattle, WA)

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[dspace-tech] usage of javascript in XSL

[Stefanie Behnke]

Dear all,

I am using DSPACE 5.5 with Mirage theme. I want to add a javascript 
function that calculates the SHA1. I have inserted in item-view.xsl the 
following:

...
xmlns:tib="tib"
extension-element-prefixes="tib"
...


  

  
  

and the call:

 
   https://www.tib.eu/en/search/id/eg%3Asha_doi~/
   

  

But it doesn't work. I am getting an java.lang.NullPointerException: 
*Unknown error in XPath.* 
context:/file:///var/lib/tomcat8/webapps/ROOT/themes/Mirage_EG/lib/xsl/core/page-structure.xsl
 
- 317:100 

*Failed to process pipeline* 
context:/file:///var/lib/tomcat8/webapps/ROOT/themes/Mirage_EG/lib/xsl/core/page-structure.xsl
 
- 317:100 *[TransformerException]* 
context:/file:///var/lib/tomcat8/webapps/ROOT/aspects/aspects.xmap - 96:31 
** 
context:/file:///var/lib/tomcat8/webapps/ROOT/aspects/aspects.xmap - 95:55 
** 
context:/resource://aspects/ViewArtifacts/sitemap.xmap - 109:60 ** 
context:/resource://aspects/ViewArtifacts/sitemap.xmap - 106:121 
** 
context:/resource://aspects/ViewArtifacts/sitemap.xmap - 99:116 ** 
context:/resource://aspects/ViewArtifacts/sitemap.xmap - 91:59 ** 
context:/resource://aspects/ViewArtifacts/sitemap.xmap - 79:40 
** 
context:/resource://aspects/BrowseArtifacts/sitemap.xmap - 53:44 
** 
context:/resource://aspects/BrowseArtifacts/sitemap.xmap - 50:56 
** 
context:/resource://aspects/BrowseArtifacts/sitemap.xmap - 47:47 
** 
context:/resource://aspects/BrowseArtifacts/sitemap.xmap - 41:28 
**   ...

I have nothing changed in page-structure.xsl. What am I doing wrong?

Any help is appreciated.

Stefanie

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[dspace-tech] How can I add a new workflow step that only displays an html page?

[Eyal Visoker]

We need to add an html page as a workflow step in our submission process
Can you please supply an example of how to do that?
Thanks

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Re: [dspace-tech] Database error when trying to edit epersons (oracle - ORA-00932: inconsistent datatypes: expected -

[Tim Donohue]

Hi Francis,

I'm less familiar with JSPUI these days, but I did search around the code a
bit.  It *does* look like this "EPerson.searchResultCount()" method is only
used by XMLUI... I'm not seeing any usage in JSPUI.  So, that would explain
why Don sees issues in this other method on XMLUI and you do not on JSPUI.

Unfortunately, the two UIs are not at all "synced" and often do things in
slightly different ways (so this sort of difference in behavior is not
surprising to me). This is a big part of the reason why we are moving to a
single, Angular UI in the upcoming DSpace 7:
https://wiki.duraspace.org/display/DSPACE/DSpace+Release+7.0+Status

- Tim


On Wed, Jan 31, 2018 at 3:25 AM Francis Brouns  wrote:

> Hi Tim,
>
>
>> Based on the error stack below, the error you  see is coming from the
>> "EPerson.searchResultCount()" method, specifically the SQL on this line:
>>
>> https://github.com/DSpace/DSpace/blob/dspace-5_x/dspace-api/src/main/java/org/dspace/eperson/EPerson.java#L438
>>
>>
>> Is it possible that this function is not being used in JSPUI or that it
> is not a problem in DSpace 5.8? In JSPUI the select eperson button works
> now with the changes on lines 502 and 510 in the findAll and searching for
> a particular eperson never has thrown an error.  At the top of the eperson
> select popup it shows the number of epersons: "E-people 1-10 of 10"
>
> best wishes,
> Francis
>
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-- 
Tim Donohue
Technical Lead for DSpace & DSpaceDirect
DuraSpace.org | DSpace.org | DSpaceDirect.org

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Re: [dspace-tech] cosecha oai

[Claudia Jürgen]

Hola,

como proveedor des Datos (en OAI) el servidor de datos tiene que
coleccionar los datos via OAI-PMH.
Tú tienes que desplegar la aplicación web de OAI y generar el oai índice.
No mandes algo el otro lo fecha.

Hay otros possibilidades de exportar metadatos y contenido  o metadatos
en SAF (simple archive format), csv,  packages ..

Saludos

Claudia Jürgen


Am 30.01.2018 um 19:48 schrieb LinKeRo GM:


hola, como puedo hacer una cosecha oai?? una empresa recolectora de datos
me pide que les mande un archivo con los metadatos pero no se cual es ni
como generar el archivo, ojala me puedan ayudar, de ante mano muchas
gracias.



--
Claudia Juergen
Eldorado

Technische Universität Dortmund
Universitätsbibliothek
Vogelpothsweg 76
44227 Dortmund

Tel.: +49 231-755 40 43
Fax: +49 231-755 40 32
claudia.juer...@tu-dortmund.de
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Re: [dspace-tech] Database error when trying to edit epersons (oracle - ORA-00932: inconsistent datatypes: expected -

[Francis Brouns]

Hi Tim,


> Based on the error stack below, the error you  see is coming from the 
> "EPerson.searchResultCount()" method, specifically the SQL on this line:
>
> https://github.com/DSpace/DSpace/blob/dspace-5_x/dspace-api/src/main/java/org/dspace/eperson/EPerson.java#L438
>  
>
> Is it possible that this function is not being used in JSPUI or that it is 
not a problem in DSpace 5.8? In JSPUI the select eperson button works now 
with the changes on lines 502 and 510 in the findAll and searching for a 
particular eperson never has thrown an error.  At the top of the eperson 
select popup it shows the number of epersons: "E-people 1-10 of 10"

best wishes,
Francis

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