Re: [dspace-tech] Re: Submission Problem in DSpace 6.2

[George Kozak]

Enes:

Thank you.  I have looked through the trace, and, frankly, I don't see
anything that sticks out as the problem area.  I am, also, concerned that I
need to make a java code change to fix this error.  Has anyone else
reported a problem like this?
BTW: I am attaching the full stack trace,in case it will help.
George Kozak
Cornell University

On Tue, Nov 28, 2017 at 7:02 PM, eneshukic via DSpace Technical Support <
dspace-tech@googlegroups.com> wrote:

> Hi George,
>
> I did not see your complete error stack, but you should look for the
> dspace objects.  The error should exactly point out where the problem is.
> When you find it, change FetchType.Lazy to FetchType.Eager.
>
> Regards,
> Enes
>
> On Tuesday, November 28, 2017 at 5:45:02 PM UTC+1, George Kozak wrote:
>>
>> Enes:
>>
>> I am unfamiliar with hibernate.  I checked the config
>> file  hibernate.cfg.xml, but did not see anything about changing class from
>> "lazy" to "eager".  Is there somewhere else where this change should be
>> made?
>> Thanks,
>> George Kozak
>> Cornell University
>>
>> On Tue, Nov 28, 2017 at 6:24 AM, eneshukic via DSpace Technical Support <
>> dspac...@googlegroups.com> wrote:
>>
>>> Hi George,
>>>
>>> This is Hibernate error.Try changing initaization in your class from
>>> lazy to eager.
>>>
>>> Regards,
>>> Enes
>>>
>>> On Monday, November 27, 2017 at 5:46:02 PM UTC+1, George Kozak wrote:

 Hi,
 We are moving to upgrade our production server (which is running DSpace
 5.5) to Dspace 6.2.  In our testing, we have found a problem with
 submissions.  When someone submits an item the following error appears:
 "could not initialize proxy - no Session".
 Has anyone ecountered this before?

 The underlining stack trace shows:
 Java stacktrace: org.hibernate.LazyInitializationException: could not
 initialize proxy - no Session at org.hibernate.proxy.AbstractLa
 zyInitializer.initialize(AbstractLazyInitializer.java:165) at
 org.hibernate.proxy.AbstractLazyInitializer.getImplementatio
 n(AbstractLazyInitializer.java:286) at org.hibernate.proxy.pojo.javas
 sist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:185)
 at 
 org.dspace.content.Bitstream_$$_jvstdfd_c.getID(Bitstream_$$_jvstdfd_c.java)
 at org.dspace.app.xmlui.utils.DSpaceValidity.add(DSpaceValidity.java:325)
 at org.dspace.app.xmlui.utils.DSpaceValidity.add(DSpaceValidity.java:280)
 at 
 org.dspace.app.xmlui.aspect.versioning.Navigation.getValidity(Navigation.java:129)
 at sun.reflect.GeneratedMethodAccessor73.invoke(Unknown Source) at
 sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606) at
 org.apache.cocoon.core.container.spring.avalon.PoolableProxy
 Handler.invoke(PoolableProxyHandler.java:71) at
 com.sun.proxy.$Proxy226.getValidity(Unknown Source) at
 org.apache.cocoon.components.pipeline.impl.AbstractCachingPr
 ocessingPipeline.getValidityForInternalPipeline(AbstractCach
 ingProcessingPipeline.java:987) at ...

 --
 ***
 George Kozak
 Digital Library Specialist
 Cornell University Library - IT
 218 Olin Library
 Cornell University
 Ithaca, NY 14853
 607-255-8924
 gs...@cornell.edu

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>>
>>
>>
>> --
>> ***
>> George Kozak
>> Digital Library Specialist
>> Cornell University Library - IT
>> 218 Olin Library
>> Cornell University
>> Ithaca, NY 14853
>> 607-255-8924 <(607)%20255-8924>
>> gs...@cornell.edu
>>
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-- 
***
George Kozak
Digital Library Specialist
Cornell University Library - IT
218 Olin Library
Cornell University
Ithaca, NY 14853
607-255-8924
g...@cornell.edu

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Re: [dspace-tech] custom permission level

[Tim Donohue]

Hi Paul,

Yes, what you've discovered is unfortunately true. It's not easy to
override or customize DSpace permission levels without a lot of code
changes.

Your workaround seems reasonable.  Another possible workaround could be to
have some sort of custom metadata field/value to designate items that are
"streamable".  DSpace's metadata fields are quite easily customizable.  So,
one could imagine a field like "local.streamable" = "true"  or
"local.streamable" = "[Group Name]" (where Group Name is a DSpace Group who
can stream it).  Then, you could check this metadata value(s) and/or the
user's groups to see if they are allowed to stream a specific file/item.

It's still obviously not ideal, as permissions don't really belong in
metadata. But, it's something else to consider as a workaround.  (If you do
go this route, I'd recommend creating a "local" metadata schema, or
similar, and not using the default "dc" schema. That'd just ensure this
field doesn't automatically appear in OAI-PMH or similar.)

- Tim

On Wed, Nov 29, 2017 at 7:37 AM Paul Warner  wrote:

> Hi again,
>
> I found the answer to my question: it is basically, no.  The permissions
> (they are called actions in the authorization process) for DSpace are
> listed in the file dspace-api/src/main/java/org/dspace/core/Constants.java,
> along with other constants of various types.  They are not in the
> database.  So the code has to call for the field it needs directly from
> Constants.  This means that in order to allow the head librarian in our
> project to open up some files for streaming, we have to agree on some
> combination of existing permissions values, and set them for that file, and
> say that when the group is anonymous, and these permissions are set, then
> the anonymous user can stream the audio file.
>
> If anyone has a better idea, please let me know.  Sigh.
>
> Thanks,
> Paul
>
> On Fri, Nov 24, 2017 at 11:44 AM, Paul Warner 
> wrote:
>
>> Hi,
>>
>> Can I add a custom permission level to the standard read, write, delete,
>> etc. list?  I want to specify if anonymous users can stream an mp3 or all
>> mp3's in an item, so 'stream' would be a likely name.
>>
>> I searched for the answer, but could not find it...
>>
>> Best regards,
>> Paul
>>
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>
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-- 

Tim Donohue
Technical Lead for DSpace & DSpaceDirect
DuraSpace.org | DSpace.org | DSpaceDirect.org

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Re: [dspace-tech] DSpace 7 and Accessibilty

[Tim Donohue]

Hi Claudia,

One of the core features of recent versions of Angular (2 and above) is
ARIA-enabled components: https://angular.io/features  So, a base level of
accessibility is "built-in" to some extent, but I'm certain it can be
improved upon in our UI code.

During the decision making process on Angular,  we had help from the U of
Kansas on performing some basic accessibility tests against the Angular
platform to ensure it would meet our needs. The tests came back positive,
with only minor issues (from our own code) at the time.  See this old
ticket, which describes the testing process that was performed against the
prototype last year:
https://github.com/DSpace-Labs/angular2-ui-prototype/issues/113

Currently, as you've seen, development has moved over to the dspace-angular
project: https://github.com/DSpace/dspace-angular/   The base platform is
the same, but we haven't (yet) done a repeat of the accessibility tests
from last year.  I fully agree that this is a great opportunity to ensure
DSpace has a highly accessible, modern UI.

As we are still quite early in the DSpace 7 UI development process, we have
not done any additional formalized testing of the UI for accessibility.
However, prior to the DSpace 7 final release, I'd like to see more formal
accessibility testing occur (and if there is anyone interested in helping
us in this way, please do get in touch).

In the meantime, there is the opportunity for interested folks (or a team
of folks) to begin doing some basic accessibility testing against our demo
site: https://dspace7-demo.atmire.com/ .  This demo site is always running
the latest version of the DSpace 7 UI (as it auto-updates on any code
changes).  Any accessibility issues found should be logged as bugs in our
GitHub issue tracker for the project:
https://github.com/DSpace/dspace-angular/issues  (that way we can assign
them to DSpace 7 developers to be fixed ASAP)

I like your idea of establishing more formal guidelines for DSpace
accessibility (and the Angular UI specifically perhaps).  I'd welcome
someone (or multiple someones) to consider drafting some accessibility
notes on our Wiki.  This could start with some simple guidelines/goals, and
perhaps even include tools for testing, basic best practices, etc.

If there is such interest, we could even consider forming an Accessibility
Working Group (or similar) to discuss how to generate these guidelines or
provide feedback from their own experiences.

In any case, this is definitely a place we could use help!  I cannot claim
anyone on the DSpace 7 UI team is an accessibility expert, but we'd all
like to ensure the new UI is meeting the accessibility goals of our user
community.  So, help in defining/formalizing those goals and providing bug
reports on existing issues would be appreciated.

- Tim


On Wed, Nov 29, 2017 at 5:55 AM Claudia Jürgen <
claudia.juer...@tu-dortmund.de> wrote:

> Hi all,
>
> as I have been once again asked off list about accessibilty and DSpace I
> thought to raise the issue.
> This has been an ongoing feature request with DSpace since the beginning.
> There are a couple of tickets with regards to it.
> Two UI's and a lot of changes made it difficult and costly to address the
> issue for DSpace in general.
>
> I wonder whether the fresh start with Angular will provide the opportunity
> to do it now.
> It was one argument during the prototyping challenge but I did not find
> anything  at
> https://wiki.duraspace.org/display/DSPACE/DSpace+7+-+Angular+UI+Development
> Being completly new to Angular, just installed dspace angular once to have
> a peek and looked a a tutorial.
> There are a couple of tutorials and the old angular js did have an aria
> module, but I did not find anything similar in the newer versions.
>
> But actually it would first require to define which level and standards or
> even best practices of accessibility we want to support/adpopt in the long
> run in DSpace and create guidelines.
> What are your thoughts?
>
> cu
>
> Claudia
>
>
> --
> Claudia Juergen
> Eldorado
>
> Technische Universität Dortmund
> UniversitätsbibliothekVogelpothsweg 76
> 44227 Dortmund 
> 
>
> Tel.: +49 231-755 40 43 <+49%20231%207554043>
> Fax: +49 231-755 40 32 
> <+49%20231%207554032>claudia.juer...@tu-dortmund.dewww.ub.tu-dortmund.de
>
>
>
>
> *Wichtiger Hinweis: Die Information in dieser E-Mail ist vertraulich. Sie
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Re: [dspace-tech] Solr item view stats not updating in browser

[Claudia Jürgen]

Hello Gary,

actually 319 views are displayed for 2017-11 and the item ws published
2017-11-26T23:47:36Z.
A lot of hits you view in the logs will most likely come from bots and
these are per default not counted see
https://wiki.duraspace.org/display/DSDOC5x/SOLR+Statistics#SOLRStatistics-ConfigurationsettingsforStatistics

Furthermore there might be a delay of 15 min due to autocommit settings
for an event being logged see
https://wiki.duraspace.org/display/DSDOC5x/SOLR+Statistics#SOLRStatistics-SOLRAutocommit

You can query SOLR directly see:
https://wiki.duraspace.org/display/DSDOC5x/SOLR+Statistics#SOLRStatistics-CustomReporting-QueryingSOLRDirectly

Hope this helps

Claudia Jürgen




Am 28.11.2017 um 23:53 schrieb Gary Browne:

Hi all,

I know there are more views and downloads on this item than are displaying in 
the browser:

https://ses.library.usyd.edu.au/handle/2123/17600/statistics

How can I query Solr directly to see if the correct figures are in the Solr 
index?

In the dspace logs I see this (among other view_item entries):

2017-11-29 08:37:26,277 INFO  com.atmire.dspace.rest.StatletsResource @ Reading 
statlets(ids[]=[] handle=2123/17600)

As far as view entries, just from today I have:

$ grep 'view_item:handle=2123/17600' dspace.log.2017-11-29 | wc -l
$ 318

Yet only 20 views display in the browser. I’ve run index-discovery and 
index-discovery –o again, but no change.

Any ideas?? The author is quite concerned about the lack of figures. There are 
no download figures on the stats page either.

Thanks a lot
Gary

Gary Browne | Technical Manager, Developments
Online Services
University of Sydney Library
THE UNIVERSITY OF SYDNEY
Level 1, Fisher Library F03, The University of Sydney NSW 2006
T +61 2 9351 5946 | M +61 405 647 868
E 
gary.bro...@sydney.edu.au
Sent from my plain old desktop computer



--
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
www.ub.tu-dortmund.de

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Re: [dspace-tech] custom permission level

[Paul Warner]

Hi again,

I found the answer to my question: it is basically, no.  The permissions
(they are called actions in the authorization process) for DSpace are
listed in the file dspace-api/src/main/java/org/dspace/core/Constants.java,
along with other constants of various types.  They are not in the
database.  So the code has to call for the field it needs directly from
Constants.  This means that in order to allow the head librarian in our
project to open up some files for streaming, we have to agree on some
combination of existing permissions values, and set them for that file, and
say that when the group is anonymous, and these permissions are set, then
the anonymous user can stream the audio file.

If anyone has a better idea, please let me know.  Sigh.

Thanks,
Paul

On Fri, Nov 24, 2017 at 11:44 AM, Paul Warner  wrote:

> Hi,
>
> Can I add a custom permission level to the standard read, write, delete,
> etc. list?  I want to specify if anonymous users can stream an mp3 or all
> mp3's in an item, so 'stream' would be a likely name.
>
> I searched for the answer, but could not find it...
>
> Best regards,
> Paul
>
> --
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Re: [dspace-tech] dspace 6.1 delete community foreignkey-constraint community2community_child_comm_id_fkey

[Paul Warner]

Hi,

Just in case it helps someone, I ended up deleting the row in the
community2community table for each of the collections I needed to delete.
Then I could delete them from the admin interface.  I can confirm that
there does not seem to be any fallout from doing this, and now my site is
reorganized in the way the client wanted.

Here is a tip for anyone faced with this situation.  The uuid you need to
find the right row in the community2community table is a uuid, not a
string.  But you can still find it in postgresql by converting it to a
string and comparing it to the beginning of the uuid using like:

select * from community2community where child_comm_id::varchar like '06f%';
delete from community2community where child_comm_id::varchar like '06f%';

Best regards,
Paul

On Thu, Nov 23, 2017 at 10:39 AM, Paul Warner  wrote:

> Thanks for this, Terry.  That is exactly what I am doing.  I sign on to
> the web ui, in our case jspui, and try to delete the community.  I get an
> error message in the browser that there was a system error, and if it
> continues, I should contact the administrator.  When I look in the dspace
> log, I can see the exception about the foreign key constraint, etc.
>
> I should say, I deleted a few communities just before I tried this one,
> and they went away quietly, without error messages.  Then this community
> threw this error, and any other community deletions that I try now throw
> the same error.  I can see the entry for this community in the
> community2community table as the child of the top level community.
>
> Best regards,
> Paul
>
> On Wed, Nov 22, 2017 at 4:51 PM, Terry Brady 
> wrote:
>
>> This does not directly answer your question, but it might be helpful.
>>
>> I sign into the UI as a repository administrator when I want to delete
>> communities, collections, and items.  The code handles all of the
>> dependencies when deleting.
>>
>> On Wed, Nov 22, 2017 at 6:19 AM, Paul Warner 
>> wrote:
>>
>>> Hi all,
>>>
>>> I am running DSpace 6.1 on Suse.
>>>
>>> I have tried to delete a community I just created, since I found a
>>> different way to solve my organization problem.  I got an error that the
>>> update or delete in the table 'community' violates foreignkey-constraint
>>> 'community2community_child_comm_id_fkey' from the table
>>> 'community2community'.
>>>
>>> I have seen some posts from earlier versions of dspace saying that these
>>> constraints and even the tables themselves are no longer needed.  Should I
>>> be seeing this error then with DSpace 6.1?  I will alter or delete the
>>> tables if that is what I should do - but I just want to make sure that is
>>> still the right thing to do.  I presume it is irreversible, and I don't
>>> want to damage my installation.
>>>
>>> Thanks!
>>>
>>> Best regards,
>>> Paul
>>>
>>> --
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>>
>>
>>
>> --
>> 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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>
>

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[dspace-tech] DSpace 7 and Accessibilty

[Claudia Jürgen]

Hi all,

as I have been once again asked off list about accessibilty and DSpace I 
thought to raise the issue.
This has been an ongoing feature request with DSpace since the beginning. There 
are a couple of tickets with regards to it.
Two UI's and a lot of changes made it difficult and costly to address the issue 
for DSpace in general.

I wonder whether the fresh start with Angular will provide the opportunity to 
do it now.
It was one argument during the prototyping challenge but I did not find 
anything  at
https://wiki.duraspace.org/display/DSPACE/DSpace+7+-+Angular+UI+Development
Being completly new to Angular, just installed dspace angular once to have a 
peek and looked a a tutorial.
There are a couple of tutorials and the old angular js did have an aria module, 
but I did not find anything similar in the newer versions.

But actually it would first require to define which level and standards or even 
best practices of accessibility we want to support/adpopt in the long run in 
DSpace and create guidelines.
What are your thoughts?

cu

Claudia



--
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
www.ub.tu-dortmund.de

Wichtiger Hinweis: Die Information in dieser E-Mail ist vertraulich. Sie ist 
ausschließlich für den Adressaten bestimmt. Sollten Sie nicht der für diese 
E-Mail bestimmte Adressat sein, unterrichten Sie bitte den Absender und 
vernichten Sie diese Mail. Vielen Dank.
Unbeschadet der Korrespondenz per E-Mail, sind unsere Erklärungen 
ausschließlich final rechtsverbindlich, wenn sie in herkömmlicher Schriftform 
(mit eigenhändiger Unterschrift) oder durch Übermittlung eines solchen 
Schriftstücks per Telefax erfolgen.

Important note: The information included in this e-mail is confidential. It is 
solely intended for the recipient. If you are not the intended recipient of 
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