Re: [dspace-tech] Re: Two OAI problems with DSpace 6.2

2017-10-26 Thread Christian Scheible 
There is the broken OAI webapp 
(http://demo.dspace.org/oai/request?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:demo.dspace.org:10673/32).


I found the reason why this did not happen in DSpace 5.x but in DSpace 6.x.
It's the Xalan version 2.7.2. Using Xalan 2.7.0 will not lead to this error.



Am 26.10.2017 um 07:48 schrieb Christian Scheible:

Hi Eugeni,

I just added this item: http://demo.dspace.org/xmlui/handle/10673/32
to the demo site of DSpace and this breaks the XMLUI and will break 
OAI as soon as it is re indexed.


So I think our problems might be unrelated but there is a DSpace bug 
regarding characters that are disallowed in XML 1.0.


Regards
Christian

Am 26.10.2017 um 00:13 schrieb Evgeni Dimitrov:


To close the problem I should say that there is no real issue with 
the non-ASCII characters and OAI.


But in XOAI there is conversion between String and byte array using 
the platform's default charset. Which is not always UTF-8. One can 
fix this starting Java/Tomcat with

  -Dfile.encoding=UTF8

One more thing I noticed now is that in some logs in dspace.log the 
non-ASCII characters are replaced by ??

To get the real non-ASCII characters one can add in log4j.properties
  log4j.appender.A1.encoding=UTF-8


On Thursday, October 19, 2017 at 9:04:39 PM UTC+3, Evgeni Dimitrov 
wrote:


I have a freshly installed DSpace 6.2 with 15 items in it.
I have not changed anything in the OAI configuration.
Two of the items have READ access for certain groups only. The
rest are accessible to everybody.

Problem 1.
When I run
dspace oai import -c

I get in dspace.log two exceptions (I suppose for each of the
restricted access items):

2017-10-19 17:55:22,650 WARN org.dspace.xoai.util.ItemUtils @
Authorization denied for action READ on
BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by user null
org.dspace.authorize.AuthorizeException: Authorization denied for
action READ on BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by
user null

The whole text of the exception is very long.

Problem 2.
After that I am trying
http://localhost:8080/oai/request?verb=Identify

http://localhost:8080/oai/request?verb=ListSets

http://localhost:8080/oai/request?verb=ListMetadataFormats

http://localhost:8080/oai/request?verb=ListIdentifiers&metadataPrefix=xoai

and it all works.

But for

http://localhost:8080/oai/request?verb=GetRecord&identifier=oai:localhost:nls/3&metadataPrefix=xoai


(nls/3 is an item accessible to everybody)
I get in the browser

java.io.IOException:
com.lyncode.xoai.dataprovider.exceptions.WritingXmlException:
Error trying to output ''
   

org.dspace.xoai.services.impl.cache.DSpaceXOAICacheService.store(DSpaceXOAICacheService.java:113)

The whole text of the exception is very long.

My question is - am I missing something in the configuration or
is this a known problem with DSpace 6.2?



Virus-free. www.avg.com




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Re: [dspace-tech] Re: Two OAI problems with DSpace 6.2

2017-10-25 Thread Christian Scheible 

Hi Eugeni,

I just added this item: http://demo.dspace.org/xmlui/handle/10673/32
to the demo site of DSpace and this breaks the XMLUI and will break OAI 
as soon as it is re indexed.


So I think our problems might be unrelated but there is a DSpace bug 
regarding characters that are disallowed in XML 1.0.


Regards
Christian

Am 26.10.2017 um 00:13 schrieb Evgeni Dimitrov:


To close the problem I should say that there is no real issue with the 
non-ASCII characters and OAI.


But in XOAI there is conversion between String and byte array using 
the platform's default charset. Which is not always UTF-8. One can fix 
this starting Java/Tomcat with

  -Dfile.encoding=UTF8

One more thing I noticed now is that in some logs in dspace.log the 
non-ASCII characters are replaced by ??

To get the real non-ASCII characters one can add in log4j.properties
  log4j.appender.A1.encoding=UTF-8


On Thursday, October 19, 2017 at 9:04:39 PM UTC+3, Evgeni Dimitrov wrote:

I have a freshly installed DSpace 6.2 with 15 items in it.
I have not changed anything in the OAI configuration.
Two of the items have READ access for certain groups only. The
rest are accessible to everybody.

Problem 1.
When I run
dspace oai import -c

I get in dspace.log two exceptions (I suppose for each of the
restricted access items):

2017-10-19 17:55:22,650 WARN  org.dspace.xoai.util.ItemUtils @
Authorization denied for action READ on
BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by user null
org.dspace.authorize.AuthorizeException: Authorization denied for
action READ on BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by
user null

The whole text of the exception is very long.

Problem 2.
After that I am trying
http://localhost:8080/oai/request?verb=Identify

http://localhost:8080/oai/request?verb=ListSets

http://localhost:8080/oai/request?verb=ListMetadataFormats

http://localhost:8080/oai/request?verb=ListIdentifiers&metadataPrefix=xoai

and it all works.

But for

http://localhost:8080/oai/request?verb=GetRecord&identifier=oai:localhost:nls/3&metadataPrefix=xoai


(nls/3 is an item accessible to everybody)
I get in the browser

java.io.IOException:
com.lyncode.xoai.dataprovider.exceptions.WritingXmlException:
Error trying to output ''
   

org.dspace.xoai.services.impl.cache.DSpaceXOAICacheService.store(DSpaceXOAICacheService.java:113)

The whole text of the exception is very long.

My question is - am I missing something in the configuration or is
this a known problem with DSpace 6.2?



Virus-free. www.avg.com




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[dspace-tech] Re: Two OAI problems with DSpace 6.2

2017-10-25 Thread Evgeni Dimitrov 

To close the problem I should say that there is no real issue with the 
non-ASCII characters and OAI.

But in XOAI there is conversion between String and byte array using the 
platform's default charset. Which is not always UTF-8. One can fix this 
starting Java/Tomcat with
  -Dfile.encoding=UTF8

One more thing I noticed now is that in some logs in dspace.log the 
non-ASCII characters are replaced by ??
To get the real non-ASCII characters one can add in log4j.properties
  log4j.appender.A1.encoding=UTF-8


On Thursday, October 19, 2017 at 9:04:39 PM UTC+3, Evgeni Dimitrov wrote:
>
> I have a freshly installed DSpace 6.2 with 15 items in it.
> I have not changed anything in the OAI configuration.
> Two of the items have READ access for certain groups only. The rest are 
> accessible to everybody.
>
> Problem 1.
> When I run
> dspace oai import -c
>
> I get in dspace.log two exceptions (I suppose for each of the restricted 
> access items):
>
> 2017-10-19 17:55:22,650 WARN  org.dspace.xoai.util.ItemUtils @ 
> Authorization denied for action READ on 
> BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by user null
> org.dspace.authorize.AuthorizeException: Authorization denied for action 
> READ on BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by user null
>
> The whole text of the exception is very long.
>
> Problem 2.
> After that I am trying
> http://localhost:8080/oai/request?verb=Identify
> http://localhost:8080/oai/request?verb=ListSets
> http://localhost:8080/oai/request?verb=ListMetadataFormats
> http://localhost:8080/oai/request?verb=ListIdentifiers&metadataPrefix=xoai
> and it all works.
>
> But for
>
> http://localhost:8080/oai/request?verb=GetRecord&identifier=oai:localhost:nls/3&metadataPrefix=xoai
> (nls/3 is an item accessible to everybody)
> I get in the browser
>
> java.io.IOException: 
> com.lyncode.xoai.dataprovider.exceptions.WritingXmlException: Error trying 
> to output ''
> 
> org.dspace.xoai.services.impl.cache.DSpaceXOAICacheService.store(DSpaceXOAICacheService.java:113)
>
> The whole text of the exception is very long.
>
> My question is - am I missing something in the configuration or is this a 
> known problem with DSpace 6.2?
>
>
> 
>  Virus-free. 
> www.avg.com 
> 
>  
> <#CAJc2bOxUdju=Fai5GKJ3-dgzeduhdrOkBUe-Hw7v=DPRxRj87w@mail.gmail.com_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>

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Re: [dspace-tech] Re: Two OAI problems with DSpace 6.2

2017-10-24 Thread Evgeni Dimitrov 
Thank you Christian,
You may be right. But in my case it goes wrong before it comes to XML.
I am logging the SolrDocument before sending to Solr:

SolrInputDocument(fields: [item.id=ecc9c18e-4e91-4e7a-8e61-eb88472f8f0a, 
item.public=true, item.handle=nls/3, item.lastmodified=2017-10-16 
23:18:01.117, item.submitter=e...@nomail.xx, item.deleted=false, 
item.collections=col_nls_2, item.communities=com_nls_1, 
metadata.dc.coverage.spatial=София, България, 
metadata.dc.creator=Карастоянов, Д., 

I am logging the SolrDocument after Solr returns it:

SolrDocument{item.id=ecc9c18e-4e91-4e7a-8e61-eb88472f8f0a, 
item.public=true, item.handle=nls/3, item.lastmodified=Mon Oct 16 23:18:01 
EEST 2017, item.submitter=e...@nomail.xx, item.deleted=false, 
item.collections=[col_nls_2], item.communities=[com_nls_1], 
metadata.dc.coverage.spatial=[?, ], 
metadata.dc.creator=[???, ?.],

I tried querying Solr from my own standalone application - same way as 
DSpace does - same version of the Solr client - the result is as above.

Finally I am querying Solr from the browser and I am getting a correct 
response:

София, 
БългарияКарастоянов, 
Д.

Which makes me think that there is a problem with the Solr client - either 
configuration missing or something wrong in this exactly version.


On Tuesday, October 24, 2017 at 8:58:19 AM UTC+3, Christian Scheible wrote:
>
> Hi together,
>
> we are currently investigating the same problem.
> It's because there are non valid XML 1.0 Characters in the metadata (like 
> surrogate pairs).
>
> This block explains it and shows a method how to get rid of them:
>
>
> http://blog.mark-mclaren.info/2007/02/invalid-xml-characters-when-valid-utf8_5873.html
>
> If I have time I am going to make a pull request for this issue.
>
> Hope this helps
> Christian
>
> Am 23.10.2017 um 22:20 schrieb Evgeni Dimitrov:
>
> The problem with
>
>
> http://localhost:8080/oai/request?verb=GetRecord&metadataPrefix=xoai&identifier=oai:localhost:nls/3
>
> not working is related to metadata with non-ASCII characters. The strange 
> thing is that the added log shows that DSpace gets with SolrServer.query() 
> the metadata with the non-ASCII characters distorted. But when Solr is 
> queried in the browser:
>
> http://localhost:8080/solr/oai/select?q=item.handle:nls/3
>
> then the non-ASCII characters are correct. I can not figure out why . . .
>
>
> On Thursday, October 19, 2017 at 9:04:39 PM UTC+3, Evgeni Dimitrov wrote: 
>>
>> I have a freshly installed DSpace 6.2 with 15 items in it.
>> I have not changed anything in the OAI configuration.
>> Two of the items have READ access for certain groups only. The rest are 
>> accessible to everybody.
>>
>> Problem 1.
>> When I run
>> dspace oai import -c
>>
>> I get in dspace.log two exceptions (I suppose for each of the restricted 
>> access items):
>>
>> 2017-10-19 17:55:22,650 WARN  org.dspace.xoai.util.ItemUtils @ 
>> Authorization denied for action READ on 
>> BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by user null
>> org.dspace.authorize.AuthorizeException: Authorization denied for action 
>> READ on BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by user null
>>
>> The whole text of the exception is very long.
>>
>> Problem 2.
>> After that I am trying
>> http://localhost:8080/oai/request?verb=Identify
>> http://localhost:8080/oai/request?verb=ListSets
>> http://localhost:8080/oai/request?verb=ListMetadataFormats
>> http://localhost:8080/oai/request?verb=ListIdentifiers&metadataPrefix=xoai
>> and it all works.
>>
>> But for
>>
>> http://localhost:8080/oai/request?verb=GetRecord&identifier=oai:localhost:nls/3&metadataPrefix=xoai
>> (nls/3 is an item accessible to everybody)
>> I get in the browser
>>
>> java.io.IOException: 
>> com.lyncode.xoai.dataprovider.exceptions.WritingXmlException: Error trying 
>> to output ''
>> 
>> org.dspace.xoai.services.impl.cache.DSpaceXOAICacheService.store(DSpaceXOAICacheService.java:113)
>>
>> The whole text of the exception is very long.
>>
>> My question is - am I missing something in the configuration or is this a 
>> known problem with DSpace 6.2?
>>
>>
>> 
>>  Virus-free. 
>> www.avg.com 
>> 
>>  
>>
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>
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Re: [dspace-tech] Re: Two OAI problems with DSpace 6.2

2017-10-23 Thread Christian Scheible 

Hi together,

we are currently investigating the same problem.
It's because there are non valid XML 1.0 Characters in the metadata 
(like surrogate pairs).


This block explains it and shows a method how to get rid of them:

http://blog.mark-mclaren.info/2007/02/invalid-xml-characters-when-valid-utf8_5873.html

If I have time I am going to make a pull request for this issue.

Hope this helps
Christian

Am 23.10.2017 um 22:20 schrieb Evgeni Dimitrov:

The problem with

http://localhost:8080/oai/request?verb=GetRecord&metadataPrefix=xoai&identifier=oai:localhost:nls/3

not working is related to metadata with non-ASCII characters. The 
strange thing is that the added log shows that DSpace gets with 
SolrServer.query() the metadata with the non-ASCII characters 
distorted. But when Solr is queried in the browser:


http://localhost:8080/solr/oai/select?q=item.handle:nls/3

then the non-ASCII characters are correct. I can not figure out why . . .


On Thursday, October 19, 2017 at 9:04:39 PM UTC+3, Evgeni Dimitrov wrote:

I have a freshly installed DSpace 6.2 with 15 items in it.
I have not changed anything in the OAI configuration.
Two of the items have READ access for certain groups only. The
rest are accessible to everybody.

Problem 1.
When I run
dspace oai import -c

I get in dspace.log two exceptions (I suppose for each of the
restricted access items):

2017-10-19 17:55:22,650 WARN  org.dspace.xoai.util.ItemUtils @
Authorization denied for action READ on
BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by user null
org.dspace.authorize.AuthorizeException: Authorization denied for
action READ on BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by
user null

The whole text of the exception is very long.

Problem 2.
After that I am trying
http://localhost:8080/oai/request?verb=Identify

http://localhost:8080/oai/request?verb=ListSets

http://localhost:8080/oai/request?verb=ListMetadataFormats

http://localhost:8080/oai/request?verb=ListIdentifiers&metadataPrefix=xoai

and it all works.

But for

http://localhost:8080/oai/request?verb=GetRecord&identifier=oai:localhost:nls/3&metadataPrefix=xoai


(nls/3 is an item accessible to everybody)
I get in the browser

java.io.IOException:
com.lyncode.xoai.dataprovider.exceptions.WritingXmlException:
Error trying to output ''
   

org.dspace.xoai.services.impl.cache.DSpaceXOAICacheService.store(DSpaceXOAICacheService.java:113)

The whole text of the exception is very long.

My question is - am I missing something in the configuration or is
this a known problem with DSpace 6.2?



Virus-free. www.avg.com




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[dspace-tech] Re: Two OAI problems with DSpace 6.2

2017-10-23 Thread Evgeni Dimitrov 
The problem with

http://localhost:8080/oai/request?verb=GetRecord&metadataPrefix=xoai&identifier=oai:localhost:nls/3

not working is related to metadata with non-ASCII characters. The strange 
thing is that the added log shows that DSpace gets with SolrServer.query() 
the metadata with the non-ASCII characters distorted. But when Solr is 
queried in the browser:

http://localhost:8080/solr/oai/select?q=item.handle:nls/3

then the non-ASCII characters are correct. I can not figure out why . . .


On Thursday, October 19, 2017 at 9:04:39 PM UTC+3, Evgeni Dimitrov wrote:
>
> I have a freshly installed DSpace 6.2 with 15 items in it.
> I have not changed anything in the OAI configuration.
> Two of the items have READ access for certain groups only. The rest are 
> accessible to everybody.
>
> Problem 1.
> When I run
> dspace oai import -c
>
> I get in dspace.log two exceptions (I suppose for each of the restricted 
> access items):
>
> 2017-10-19 17:55:22,650 WARN  org.dspace.xoai.util.ItemUtils @ 
> Authorization denied for action READ on 
> BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by user null
> org.dspace.authorize.AuthorizeException: Authorization denied for action 
> READ on BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by user null
>
> The whole text of the exception is very long.
>
> Problem 2.
> After that I am trying
> http://localhost:8080/oai/request?verb=Identify
> http://localhost:8080/oai/request?verb=ListSets
> http://localhost:8080/oai/request?verb=ListMetadataFormats
> http://localhost:8080/oai/request?verb=ListIdentifiers&metadataPrefix=xoai
> and it all works.
>
> But for
>
> http://localhost:8080/oai/request?verb=GetRecord&identifier=oai:localhost:nls/3&metadataPrefix=xoai
> (nls/3 is an item accessible to everybody)
> I get in the browser
>
> java.io.IOException: 
> com.lyncode.xoai.dataprovider.exceptions.WritingXmlException: Error trying 
> to output ''
> 
> org.dspace.xoai.services.impl.cache.DSpaceXOAICacheService.store(DSpaceXOAICacheService.java:113)
>
> The whole text of the exception is very long.
>
> My question is - am I missing something in the configuration or is this a 
> known problem with DSpace 6.2?
>
>
> 
>  Virus-free. 
> www.avg.com 
> 
>  
> <#CAJc2bOxUdju=Fai5GKJ3-dgzeduhdrOkBUe-Hw7v=DPRxRj87w@mail.gmail.com_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>

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[dspace-tech] Re: Two OAI problems with DSpace 6.2

2017-10-21 Thread Evgeni Dimitrov 

It turned out that Problem 1 is easy to fix - with one line added to 
XOAI.java

But this does not help for Problem 2 - which is that

http://localhost:8080/oai/request?verb=GetRecord&metadataPrefix=xoai&identifier=oai:localhost:nls/3

works fine for 10 items and does not work for 5 items . . .


On Thursday, October 19, 2017 at 9:04:39 PM UTC+3, Evgeni Dimitrov wrote:
>
> I have a freshly installed DSpace 6.2 with 15 items in it.
> I have not changed anything in the OAI configuration.
> Two of the items have READ access for certain groups only. The rest are 
> accessible to everybody.
>
> Problem 1.
> When I run
> dspace oai import -c
>
> I get in dspace.log two exceptions (I suppose for each of the restricted 
> access items):
>
> 2017-10-19 17:55:22,650 WARN  org.dspace.xoai.util.ItemUtils @ 
> Authorization denied for action READ on 
> BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by user null
> org.dspace.authorize.AuthorizeException: Authorization denied for action 
> READ on BITSTREAM:3d21ebf7-ef3e-4d98-a265-c4a516b1740b by user null
>
> The whole text of the exception is very long.
>
> Problem 2.
> After that I am trying
> http://localhost:8080/oai/request?verb=Identify
> http://localhost:8080/oai/request?verb=ListSets
> http://localhost:8080/oai/request?verb=ListMetadataFormats
> http://localhost:8080/oai/request?verb=ListIdentifiers&metadataPrefix=xoai
> and it all works.
>
> But for
>
> http://localhost:8080/oai/request?verb=GetRecord&identifier=oai:localhost:nls/3&metadataPrefix=xoai
> (nls/3 is an item accessible to everybody)
> I get in the browser
>
> java.io.IOException: 
> com.lyncode.xoai.dataprovider.exceptions.WritingXmlException: Error trying 
> to output ''
> 
> org.dspace.xoai.services.impl.cache.DSpaceXOAICacheService.store(DSpaceXOAICacheService.java:113)
>
> The whole text of the exception is very long.
>
> My question is - am I missing something in the configuration or is this a 
> known problem with DSpace 6.2?
>
>
> 
>  Virus-free. 
> www.avg.com 
> 
>  
> <#CAJc2bOxUdju=Fai5GKJ3-dgzeduhdrOkBUe-Hw7v=DPRxRj87w@mail.gmail.com_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>

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