Hi Tim,

>From dspace log files, I found warnings like below. I saw many instances of 
this warning in the dspace.log file, not just at running "./dspace database 
migrate".
09-16 10:22:16,742 INFO  unknown unknown 
org.dspace.storage.rdbms.DatabaseUtils @ Loading Flyway DB migrations from: 
classpath:org/dspace/storage/rdbms/sqlmigration/postgres, 
classpath:org/dspace/storage/rdbms/migration, 
classpath:org/dspace/storage/rdbms/xmlworkflow
2021-09-16 10:22:16,766 INFO  unknown unknown 
org.flywaydb.core.internal.license.VersionPrinter @ Flyway Community 
Edition 6.5.5 by Redgate
2021-09-16 10:22:16,916 INFO  unknown unknown 
org.flywaydb.core.internal.database.DatabaseFactory @ Database: 
jdbc:postgresql://localhost:5432/dspace (PostgreSQL 13.4)
2021-09-16 10:22:16,964 WARN  unknown unknown 
org.flywaydb.core.internal.database.base.Database @ Flyway upgrade 
recommended: PostgreSQL 13.4 is newer than this version of Flyway and 
support has not been tested. The latest supported version of PostgreSQL is 
12.
2021-09-16 10:22:17,369 WARN  unknown unknown 
org.flywaydb.core.internal.database.base.Database @ Flyway upgrade 
recommended: PostgreSQL 13.4 is newer than this version of Flyway and 
support has not been tested. The latest supported version of PostgreSQL is 
12.
2021-09-16 10:22:17,381 INFO  unknown unknown 
org.dspace.storage.rdbms.DatabaseUtils @ DSpace database schema is up to 
date

I installed PostgreSQL 13.4 while Flyway doesn't support this version. This 
might be the reason why table site was not migrated. Hope this info help to 
solve the issue.

Thanks

Zhongping

On Wednesday, September 15, 2021 at 5:57:46 PM UTC-4 Tim Donohue wrote:

> Glad to hear it, Zhongping!
>
> As a side note: If anyone else ever hits this same problem in the future, 
> I'm working on a way to allow anyone to *re-run*​ any of these 
> post-migration scripts (like the SiteServiceInitializer) at any time just 
> in case one randomly fails (like seems to have been the case here). See 
> https://github.com/DSpace/DSpace/pull/7945   I'm hoping this will be in 
> 7.1...as this would let others solve this problem without having to drop 
> the entire database & rerunning the migration on a new/fresh database.
>
> Tim
> ------------------------------
> *From:* [email protected] <[email protected]> on 
> behalf of Zhongping Yan <[email protected]>
> *Sent:* Wednesday, September 15, 2021 3:50 PM
>
> *To:* DSpace Community <[email protected]>
> *Subject:* Re: [dspace-community] Cannot Load Home Page and Had Exception
> Hi Tim, 
>
> I dropped the database and did "./dspace database migrate" on a new 
> database. It worked and I can reach to Home page. I created/edited 
> community, collection. My local DSpace works well.
>
> Thank you so much for help.
>
> Zhongping
>
>
> On Wednesday, September 15, 2021 at 2:18:59 PM UTC-4 Tim Donohue wrote:
>
> Hi Zhongping,
>
> That's really odd, as the Site object is supposed to be created 
> automatically * after*​ all Migrations run by our SiteServiceInitializer: 
> https://github.com/DSpace/DSpace/blob/main/dspace-api/src/main/java/org/dspace/storage/rdbms/SiteServiceInitializer.java#L41
>
> This is the first time I've ever heard of database migrations *succeeding*​ 
> while the SiteServiceInitializer somehow *fails*​.  Is there any chance 
> you have your 'dspace.log' from when you installed DSpace 7 to see what 
> error is thrown by the SiteServiceInitializer?
>
> Unfortunately, since we've never seen this happen, there doesn't yet seem 
> to be a script to create the Site object in a different way.  Since it 
> sounds like you've not added any content, you may want to drop your (empty) 
> database and try the entire "./dspace database migrate" option again 
> (paying close attention to the dspace.log to see if it again throws errors 
> when creating the Site object).  At the very least that'd give us more 
> information on what could be going wrong in your installation such that the 
> Site object doesn't get initialized properly.
>
> Tim
> ------------------------------
> *From:* [email protected] <[email protected]> on 
> behalf of Zhongping Yan <[email protected]>
> *Sent:* Wednesday, September 15, 2021 1:01 PM
> *To:* DSpace Community <[email protected]>
> *Subject:* Re: [dspace-community] Cannot Load Home Page and Had Exception 
>  
> Hi Tim, 
>
> Thank you for your reply. When I installing backend, I ran command 
> "./dspace database migrate". After read your email, I did query in dspace 
> database "select * from site" and got nothing.
> Below is the result of command './dspace database info'. 
>
> C:\Tools\dspace\bin>dspace database info
> Using DSpace installation in: C:\Tools\dspace
>
> Database Type: postgres
> Database URL: jdbc:postgresql://localhost:5432/dspace
> Database Schema: public
> Database Username: dspace
> Database Software: PostgreSQL version 13.4
> Database Driver: PostgreSQL JDBC Driver version 42.2.9
> PostgreSQL 'pgcrypto' extension installed/up-to-date? true (version=1.3)
> FlywayDB Version: 6.5.5
>
>
> +-----------+----------------+-----------------------------------------------------+----------+---------------------+----------+
> | Category  | Version        | Description                                
>          | Type     | Installed On        | State    |
>
> +-----------+----------------+-----------------------------------------------------+----------+---------------------+----------+
> |           | 1              | << Flyway Baseline >>                      
>          | BASELINE | 2021-09-10 13:54:13 | Baseline |
> | Versioned | 1.1            | Initial DSpace 1.1 database schema          
>         | SQL      | 2021-09-10 13:54:27 | Success  |
> | Versioned | 1.2            | Upgrade to DSpace 1.2 schema                
>         | SQL      | 2021-09-10 13:54:46 | Success  |
> | Versioned | 1.3            | Upgrade to DSpace 1.3 schema                
>         | SQL      | 2021-09-10 13:54:48 | Success  |
> | Versioned | 1.3.9          | Drop constraint for DSpace 1 4 schema      
>          | JDBC     | 2021-09-10 13:54:52 | Success  |
> | Versioned | 1.4            | Upgrade to DSpace 1.4 schema                
>         | SQL      | 2021-09-10 13:54:52 | Success  |
> | Versioned | 1.5            | Upgrade to DSpace 1.5 schema                
>         | SQL      | 2021-09-10 13:54:57 | Success  |
> | Versioned | 1.5.9          | Drop constraint for DSpace 1 6 schema      
>          | JDBC     | 2021-09-10 13:55:08 | Success  |
> | Versioned | 1.6            | Upgrade to DSpace 1.6 schema                
>         | SQL      | 2021-09-10 13:55:08 | Success  |
> | Versioned | 1.7            | Upgrade to DSpace 1.7 schema                
>         | SQL      | 2021-09-10 13:55:11 | Success  |
> | Versioned | 1.8            | Upgrade to DSpace 1.8 schema                
>         | SQL      | 2021-09-10 13:55:11 | Success  |
> | Versioned | 3.0            | Upgrade to DSpace 3.x schema                
>         | SQL      | 2021-09-10 13:55:11 | Success  |
> | Versioned | 4.0            | Upgrade to DSpace 4.x schema                
>         | SQL      | 2021-09-10 13:55:12 | Success  |
> | Versioned | 4.9.2015.10.26 | DS-2818 registry update                    
>          | SQL      | 2021-09-10 13:55:13 | Success  |
> | Versioned | 5.0.2014.08.08 | DS-1945 Helpdesk Request a Copy            
>          | SQL      | 2021-09-10 13:55:13 | Success  |
> | Versioned | 5.0.2014.09.25 | DS 1582 Metadata For All Objects drop 
> constraint    | JDBC     | 2021-09-10 13:55:14 | Success  |
> | Versioned | 5.0.2014.09.26 | DS-1582 Metadata For All Objects            
>         | SQL      | 2021-09-10 13:55:14 | Success  |
> | Versioned | 5.0.2014.11.04 | Enable XMLWorkflow Migration                
>         | JDBC     | 2021-09-10 13:55:14 | Success  |
> | Versioned | 5.6.2016.08.23 | DS-3097                                    
>          | SQL      | 2021-09-10 13:55:22 | Success  |
> | Versioned | 5.7.2017.04.11 | DS-3563 Index metadatavalue resource type 
> id column | SQL      | 2021-09-10 13:55:22 | Success  |
> | Versioned | 5.7.2017.05.05 | DS 3431 Add Policies for BasicWorkflow      
>         | JDBC     | 2021-09-10 13:55:22 | Success  |
> | Versioned | 6.0.2015.03.06 | DS 2701 Dso Uuid Migration                  
>         | JDBC     | 2021-09-10 13:55:22 | Success  |
> | Versioned | 6.0.2015.03.07 | DS-2701 Hibernate migration                
>          | SQL      | 2021-09-10 13:55:22 | Success  |
> | Versioned | 6.0.2015.08.31 | DS 2701 Hibernate Workflow Migration        
>         | JDBC     | 2021-09-10 13:55:42 | Success  |
> | Versioned | 6.0.2015.09.01 | DS 2701 Enable XMLWorkflow Migration        
>         | JDBC     | 2021-09-10 13:55:43 | Success  |
> | Versioned | 6.0.2016.01.03 | DS-3024                                    
>          | SQL      | 2021-09-10 13:55:43 | Success  |
> | Versioned | 6.0.2016.01.26 | DS 2188 Remove DBMS Browse Tables          
>          | JDBC     | 2021-09-10 13:55:43 | Success  |
> | Versioned | 6.0.2016.02.25 | DS-3004-slow-searching-as-admin            
>          | SQL      | 2021-09-10 13:55:43 | Success  |
> | Versioned | 6.0.2016.04.01 | DS-1955 Increase embargo reason            
>          | SQL      | 2021-09-10 13:55:43 | Success  |
> | Versioned | 6.0.2016.04.04 | DS-3086-OAI-Performance-fix                
>          | SQL      | 2021-09-10 13:55:44 | Success  |
> | Versioned | 6.0.2016.04.14 | DS-3125-fix-bundle-bitstream-delete-rights  
>         | SQL      | 2021-09-10 13:55:45 | Success  |
> | Versioned | 6.0.2016.05.10 | DS-3168-fix-requestitem item id column      
>         | SQL      | 2021-09-10 13:55:45 | Success  |
> | Versioned | 6.0.2016.07.21 | DS-2775                                    
>          | SQL      | 2021-09-10 13:55:46 | Success  |
> | Versioned | 6.0.2016.07.26 | DS-3277 fix handle assignment              
>          | SQL      | 2021-09-10 13:55:46 | Success  |
> | Versioned | 6.0.2016.08.23 | DS-3097                                    
>          | SQL      | 2021-09-10 13:55:47 | Success  |
> | Versioned | 6.1.2017.01.03 | DS 3431 Add Policies for BasicWorkflow      
>         | JDBC     | 2021-09-10 13:55:47 | Success  |
> | Versioned | 7.0.2017.10.12 | DS-3542-stateless-sessions                  
>         | SQL      | 2021-09-10 13:55:47 | Success  |
> | Versioned | 7.0.2018.04.03 | Upgrade Workflow Policy                    
>          | JDBC     | 2021-09-10 13:55:47 | Success  |
> | Versioned | 7.0.2018.04.16 | dspace-entities                            
>          | SQL      | 2021-09-10 13:55:47 | Success  |
> | Versioned | 7.0.2018.06.07 | DS-3851-permission                          
>         | SQL      | 2021-09-10 13:55:50 | Success  |
> | Versioned | 7.0.2019.05.02 | DS-4239-workflow-xml-migration              
>         | SQL      | 2021-09-10 13:55:51 | Success  |
> | Versioned | 7.0.2019.06.14 | scripts-and-process                        
>          | SQL      | 2021-09-10 13:55:51 | Success  |
> | Versioned | 7.0.2019.07.31 | Retrieval of name variant                  
>          | SQL      | 2021-09-10 13:55:52 | Success  |
> | Versioned | 7.0.2019.11.13 | relationship type copy left right          
>          | SQL      | 2021-09-10 13:55:53 | Success  |
> | Versioned | 7.0.2020.01.08 | DS-626-statistics-tracker                  
>          | SQL      | 2021-09-10 13:55:53 | Success  |
> | Versioned | 7.0.2020.10.31 | CollectionCommunity Metadata Handle        
>          | JDBC     | 2021-09-10 13:55:53 | Success  |
> | Versioned | 7.0.2021.01.22 | Remove basic workflow                      
>          | SQL      | 2021-09-10 13:55:53 | Success  |
> | Versioned | 7.0.2021.02.08 | tilted rels                                
>          | SQL      | 2021-09-10 13:55:53 | Success  |
> | Versioned | 7.0.2021.03.18 | Move entity type to dspace schema          
>          | SQL      | 2021-09-10 13:55:53 | Success  |
>
> +-----------+----------------+-----------------------------------------------------+----------+---------------------+----------+
>
>
> Please give me more advices. Appreciated.
>
> Thanks
>
> Zhongping
>
>
> On Wednesday, September 15, 2021 at 12:05:41 PM UTC-4 Tim Donohue wrote:
>
> Hi Zhongping,
>
> The main error is saying that DSpace cannot find your "Site" object in the 
> "site" database table.  See this part of your long error thread:
>
>
> 2021-09-14 15:27:10,619 ERROR 6f11b865-8655-4de3-9021-c43413a9d74d 
> cb806e95-e747-4094-8a27-c1fcc03ad0c7 
> org.dspace.app.rest.exception.DSpaceApiExceptionControllerAdvice @ An 
> exception has occurred (status:500) 
> java.lang.NullPointerException: null
> at 
> org.dspace.app.rest.converter.ConverterService.toRest(ConverterService.java:111)
>  
> ~[classes/:7.0]
> at 
> org.dspace.app.rest.converter.ConverterService.toRestPage(ConverterService.java:207)
>  
> ~[classes/:7.0]
> at 
> org.dspace.app.rest.repository.SiteRestRepository.findAll(SiteRestRepository.java:64)
>  
> ~[classes/:7.0]
> at 
> org.dspace.app.rest.repository.SiteRestRepository$$FastClassBySpringCGLIB$$4fda3bbe.invoke(<generated>)
>  
> ~[classes/:7.0]
>
> Make sure your database is completely up-to-date. On the backend, check 
> './dspace database info' is showing that all migrations are either 
> returning "Baseline", "Success" or "Out of Order" (which also means it was 
> successful, but it just ran out of normal order).  
>
> If there are any that have *NOT*​ run, this means you forgot to run 
> "./dspace database migrate" (if it was a fresh install), or "./dspace 
> database migrate ignored" (if it was an upgrade). Or, if you did run that 
> command, it must have thrown an error in the logs and refused to complete.
>
> Hopefully that'll help solve the issue.  If not, let us know on this list 
> if you need more help.
>
> Tim
> ------------------------------
> *From:* [email protected] <[email protected]> on 
> behalf of Zhongping Yan <[email protected]>
> *Sent:* Tuesday, September 14, 2021 2:47 PM
> *To:* DSpace Community <[email protected]>
> *Subject:* [dspace-community] Cannot Load Home Page and Had Exception 
>  
> Hi, 
>
> I built DSpace backend and frontend on my local machine. Deployed backend 
> on Tomcat. I logged in DSpace UI, but cannot load its Home page. Looked at 
> the beckend log file dspace.log. I fount an exception always occurred when 
> I went to Home page through URL http://localhost:4000/home. It cannot go 
> to Home page when I was in Profile page or MyDSpace page by clicking the 
> DSpace logo or Home breadcrumb. The exception and log into in logs are as 
> below:
>  2021-09-14 15:24:22,198 WARN  unknown unknown 
> org.dspace.discovery.SolrServiceImpl @ We have a collection or community 
> admin with ID: 1cc955b5-97b5-4384-b76d-940c010a98ee without any 
> administrable collection or community!
> 2021-09-14 15:24:22,229 WARN  unknown unknown 
> org.dspace.discovery.SolrServiceImpl @ We have a collection or community 
> admin with ID: 1cc955b5-97b5-4384-b76d-940c010a98ee without any 
> administrable collection or community!
> 2021-09-14 15:24:22,248 INFO  6f11b865-8655-4de3-9021-c43413a9d74d 
> 7632859b-3d9b-4c16-8f54-c070116f4383 
> org.dspace.app.rest.utils.DSpaceAPIRequestLoggingFilter @ Before request 
> [PATCH /server/api/eperson/epersons/1cc955b5-97b5-4384-b76d-940c010a98ee] 
> originated from /
> 2021-09-14 15:24:22,254 INFO  6f11b865-8655-4de3-9021-c43413a9d74d 
> 7632859b-3d9b-4c16-8f54-c070116f4383 
> org.dspace.content.MetadataValueServiceImpl @ <user 
> email>::delete_metadata_value: metadata_value_id=13
> 2021-09-14 15:24:22,254 INFO  6f11b865-8655-4de3-9021-c43413a9d74d 
> 7632859b-3d9b-4c16-8f54-c070116f4383 org.dspace.eperson.EPersonServiceImpl 
> @ <user 
> email>::update_eperson:eperson_id=1cc955b5-97b5-4384-b76d-940c010a98ee
> 2021-09-14 15:27:10,429 INFO  6f11b865-8655-4de3-9021-c43413a9d74d 
> aa14b33a-a404-4b22-80e8-6f7d71933f27 
> org.dspace.app.rest.utils.DSpaceAPIRequestLoggingFilter @ Before request 
> [GET /server/api] originated from /
> 2021-09-14 15:27:10,451 WARN  unknown unknown 
> org.dspace.discovery.SolrServiceImpl @ We have a collection or community 
> admin with ID: 1cc955b5-97b5-4384-b76d-940c010a98ee without any 
> administrable collection or community!
> 2021-09-14 15:27:10,461 WARN  unknown unknown 
> org.dspace.discovery.SolrServiceImpl @ We have a collection or community 
> admin with ID: 1cc955b5-97b5-4384-b76d-940c010a98ee without any 
> administrable collection or community!
> 2021-09-14 15:27:10,466 INFO  6f11b865-8655-4de3-9021-c43413a9d74d 
> 77b6f2e6-441e-41d4-952d-0e453713ab74 
> org.dspace.app.rest.utils.DSpaceAPIRequestLoggingFilter @ Before request 
> [GET /server/api/authn/status] originated from /
> 2021-09-14 15:27:10,490 WARN  unknown unknown 
> org.dspace.discovery.SolrServiceImpl @ We have a collection or community 
> admin with ID: 1cc955b5-97b5-4384-b76d-940c010a98ee without any 
> administrable collection or community!
> 2021-09-14 15:27:10,497 WARN  unknown unknown 
> org.dspace.discovery.SolrServiceImpl @ We have a collection or community 
> admin with ID: 1cc955b5-97b5-4384-b76d-940c010a98ee without any 
> administrable collection or community!
> 2021-09-14 15:27:10,501 INFO  6f11b865-8655-4de3-9021-c43413a9d74d 
> fd1de503-c9aa-4623-8d45-fa7f9ebc8e7e 
> org.dspace.app.rest.utils.DSpaceAPIRequestLoggingFilter @ Before request 
> [GET /server/api/eperson/epersons/1cc955b5-97b5-4384-b76d-940c010a98ee] 
> originated from /
> 2021-09-14 15:27:10,605 WARN  unknown unknown 
> org.dspace.discovery.SolrServiceImpl @ We have a collection or community 
> admin with ID: 1cc955b5-97b5-4384-b76d-940c010a98ee without any 
> administrable collection or community!
> 2021-09-14 15:27:10,611 WARN  unknown unknown 
> org.dspace.discovery.SolrServiceImpl @ We have a collection or community 
> admin with ID: 1cc955b5-97b5-4384-b76d-940c010a98ee without any 
> administrable collection or community!
> 2021-09-14 15:27:10,616 INFO  6f11b865-8655-4de3-9021-c43413a9d74d 
> cb806e95-e747-4094-8a27-c1fcc03ad0c7 
> org.dspace.app.rest.utils.DSpaceAPIRequestLoggingFilter @ Before request 
> [GET /server/api/core/sites] originated from /
> 2021-09-14 15:27:10,619 ERROR 6f11b865-8655-4de3-9021-c43413a9d74d 
> cb806e95-e747-4094-8a27-c1fcc03ad0c7 
> org.dspace.app.rest.exception.DSpaceApiExceptionControllerAdvice @ An 
> exception has occurred (status:500)
> java.lang.NullPointerException: null
> at 
> org.dspace.app.rest.converter.ConverterService.toRest(ConverterService.java:111)
>  
> ~[classes/:7.0]
> at 
> org.dspace.app.rest.converter.ConverterService.toRestPage(ConverterService.java:207)
>  
> ~[classes/:7.0]
> at 
> org.dspace.app.rest.repository.SiteRestRepository.findAll(SiteRestRepository.java:64)
>  
> ~[classes/:7.0]
> at 
> org.dspace.app.rest.repository.SiteRestRepository$$FastClassBySpringCGLIB$$4fda3bbe.invoke(<generated>)
>  
> ~[classes/:7.0]
> at 
> org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) 
> ~[spring-core-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:687)
>  
> ~[spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.dspace.app.rest.repository.SiteRestRepository$$EnhancerBySpringCGLIB$$4713dacc.findAll(<generated>)
>  
> ~[classes/:7.0]
> at 
> org.dspace.app.rest.repository.DSpaceRestRepository.findAll(DSpaceRestRepository.java:236)
>  
> ~[classes/:7.0]
> at 
> org.dspace.app.rest.repository.DSpaceRestRepository$$FastClassBySpringCGLIB$$615525f9.invoke(<generated>)
>  
> ~[classes/:7.0]
> at 
> org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) 
> ~[spring-core-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:687)
>  
> ~[spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.dspace.app.rest.repository.SiteRestRepository$$EnhancerBySpringCGLIB$$4713dacc.findAll(<generated>)
>  
> ~[classes/:7.0]
> at 
> org.dspace.app.rest.RestResourceController.findAll(RestResourceController.java:927)
>  
> ~[classes/:7.0]
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
> ~[?:?]
> at 
> jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>  
> ~[?:?]
> at 
> jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> ~[?:?]
> at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
> at 
> org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
>  
> ~[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
>  
> ~[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105)
>  
> ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:879)
>  
> ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793)
>  
> ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
>  
> ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
>  
> [spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
>  
> [spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
>  
> [spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
>  
> [spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:655) 
> [servlet-api.jar:4.0.FR]
> at 
> org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
>  
> [spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) 
> [servlet-api.jar:4.0.FR]
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:228)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
>  
> [catalina.jar:9.0.50]
> at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) 
> [tomcat-websocket.jar:9.0.50]
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
>  
> [catalina.jar:9.0.50]
> at 
> org.springframework.web.filter.AbstractRequestLoggingFilter.doFilterInternal(AbstractRequestLoggingFilter.java:289)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
>  
> [catalina.jar:9.0.50]
> at 
> org.dspace.app.rest.filter.DSpaceRequestContextFilter.doFilter(DSpaceRequestContextFilter.java:45)
>  
> [classes/:7.0]
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
>  
> [catalina.jar:9.0.50]
> at 
> org.dspace.app.rest.filter.ContentLanguageHeaderResponseFilter.doFilter(ContentLanguageHeaderResponseFilter.java:51)
>  
> [classes/:7.0]
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
>  
> [catalina.jar:9.0.50]
> at 
> org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:84)
>  
> [dspace-services-7.0.jar:7.0]
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
>  
> [catalina.jar:9.0.50]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:126)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:90)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:118)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:158)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.dspace.app.rest.security.AnonymousAdditionalAuthorizationFilter.doFilterInternal(AnonymousAdditionalAuthorizationFilter.java:67)
>  
> [classes/:7.0]
> at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.dspace.app.rest.security.StatelessAuthenticationFilter.doFilterInternal(StatelessAuthenticationFilter.java:102)
>  
> [classes/:7.0]
> at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java:117)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:92)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:92)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:77)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
>  
> [spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
> at 
> org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:358)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:271)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
>  
> [catalina.jar:9.0.50]
> at 
> org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
>  
> [catalina.jar:9.0.50]
> at 
> org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:128)
>  
> [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]
> at 
> org.springframework.boot.web.servlet.support.ErrorPageFilter.access$000(ErrorPageFilter.java:66)
>  
> [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]
> at 
> org.springframework.boot.web.servlet.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:103)
>  
> [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]
> at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:121)
>  
> [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
>  
> [catalina.jar:9.0.50]
> at 
> org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
>  
> [catalina.jar:9.0.50]
> at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:103)
>  
> [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)
>  
> [log4j-web-2.13.3.jar:2.13.3]
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) 
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) 
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
>  
> [catalina.jar:9.0.50]
> at 
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) 
> [catalina.jar:9.0.50]
> at 
> org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382) 
> [tomcat-coyote.jar:9.0.50]
> at 
> org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
>  
> [tomcat-coyote.jar:9.0.50]
> at 
> org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893)
>  
> [tomcat-coyote.jar:9.0.50]
> at 
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1723)
>  
> [tomcat-coyote.jar:9.0.50]
> at 
> org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
>  
> [tomcat-coyote.jar:9.0.50]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>  
> [?:?]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>  
> [?:?]
> at 
> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
>  
> [tomcat-util.jar:9.0.50]
> at java.lang.Thread.run(Thread.java:834) [?:?]
> 2021-09-14 15:27:11,154 WARN  unknown unknown 
> org.dspace.discovery.SolrServiceImpl @ We have a collection or community 
> admin with ID: 1cc955b5-97b5-4384-b76d-940c010a98ee without any 
> administrable collection or community!
> 2021-09-14 15:27:11,166 WARN  unknown unknown 
> org.dspace.discovery.SolrServiceImpl @ We have a collection or community 
> admin with ID: 1cc955b5-97b5-4384-b76d-940c010a98ee without any 
> administrable collection or community!
> 2021-09-14 15:27:11,218 WARN  unknown unknown 
> org.dspace.discovery.SolrServiceImpl @ We have a collection or community 
> admin with ID: 1cc955b5-97b5-4384-b76d-940c010a98ee without any 
> administrable collection or community!
> 2021-09-14 15:27:11,228 WARN  unknown unknown 
> org.dspace.discovery.SolrServiceImpl @ We have a collection or community 
> admin with ID: 1cc955b5-97b5-4384-b76d-940c010a98ee without any 
> administrable collection or community!
> 2021-09-14 15:27:11,235 INFO  6f11b865-8655-4de3-9021-c43413a9d74d 
> cb84f541-bb8a-4de3-9b1a-70cf2ed863cf 
> org.dspace.app.rest.utils.DSpaceAPIRequestLoggingFilter @ Before request 
> [GET /server/api/authn/status] originated from /
> 2021-09-14 15:27:11,235 INFO  6f11b865-8655-4de3-9021-c43413a9d74d 
> f2edbbbf-e513-440f-97aa-212993fbe0f9 
> org.dspace.app.rest.utils.DSpaceAPIRequestLoggingFilter @ Before request 
> [GET /server/api/config/properties/google.analytics.key] originated from /
> 2021-09-14 15:27:11,238 WARN  6f11b865-8655-4de3-9021-c43413a9d74d 
> f2edbbbf-e513-440f-97aa-212993fbe0f9 
> org.dspace.app.rest.exception.DSpaceApiExceptionControllerAdvice @ An 
> exception has occurred (status:404)
>
> Appreciate for helps!
>
> Zhongping
>
> -- 
> All messages to this mailing list should adhere to the Code of Conduct: 
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>  
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> .
>
> -- 
> All messages to this mailing list should adhere to the Code of Conduct: 
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>  
> <https://groups.google.com/d/msgid/dspace-community/c0825237-9537-467b-af71-e4c491e7bfd7n%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
>
> -- 
> All messages to this mailing list should adhere to the Code of Conduct: 
> https://www.lyrasis.org/about/Pages/Code-of-Conduct.aspx
> --- 
> You received this message because you are subscribed to the Google Groups 
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> To unsubscribe from this group and stop receiving emails from it, send an 
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> To view this discussion on the web visit 
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>  
> <https://groups.google.com/d/msgid/dspace-community/26232027-6a4f-4dc8-ae5a-65ddb149f077n%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
>

-- 
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To view this discussion on the web visit 
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