Re: [dspace-tech] Dspace migration 1.4 to 6.0 xmlui Stacktrace error when accessing objects

Tue, 15 Aug 2017 14:22:44 -0700

Hi,

this is the line in the code that the stack trace points to: https://github.com/DSpace/DSpace/blob/dspace-6_x/dspace-xmlui/src/main/java/org/dspace/app/xmlui/aspect/artifactbrowser/ItemViewer.java#L305 Look at the topmost line in the stack trace that has dspace in it -- in this case 
org.dspace.app.xmlui.aspect.artifactbrowser.ItemViewer.addPageMeta(ItemViewer.java:305)
which tells you to look at a class called ItemViewer, line 305. If you go to the DSpace 6.x code base on github https://github.com/DSpace/DSpace/tree/dspace-6_x then type t, you get to a search interface, so just type in itemviewer.java to get to the right class.

It looks like the XHTML head crosswalk can't be loaded. Check your DSpace / tomcat logs on startup for error messages, but I'd guess that something in your configuration hasn't come across correctly during the upgrade. This is where it's pulled in: https://github.com/DSpace/DSpace/blob/dspace-6_x/dspace/config/dspace.cfg#L530 does that look ok in your dspace.cfg? Do you have anything in local.cfg? Double check the upgrade instructions regarding configuration files in 6.x.

cheers,
Andrea

On 08/16/2017 01:22 AM, Paul Kobasa wrote:

Hi,


I’m working on replacing an old Dspace server with a newer one:-


Dspace 1.4 + PostgreSQL 8.4 + Tomcat 5.5.23 on Centos 5

To

Dspace 6.0 + PostgreSQL 9.6 + Tomcat 8.5.6 on Centos 7

 

In the xmlui interface of the migrated server, the communities are showing and searchable. However when clicking on any individual resource I get a stacktrace.

 

The basic process I followed was to export the old database & files with pg_dump and an Rsync of the assetstore. I found I needed to run a few housekeeping tasks like:-

./dspace database repair

./dspace update-discovery-index

./dspace index-discovery

./dspace index-init

 

To get things going but it looks like there’s a problem linking assets to objects??

 

Has anyone out there done a Dspace 1.4 migration to V6? I’d love to have a procedure as I’ve been learning about Dspace along the way, cobbling together snippets from installation & upgrade instructions, which has taken months.

 

However, I’d settle for just knowing how to figure out this stack trace error when clicking on a resource. There are over 250 lines in the stack trace and I don’t know Java. Help?

 

 

Thanks,

 

Paul.

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Dr Andrea Schweer
Lead Software Developer, ITS Information Systems
The University of Waikato, Hamilton, New Zealand
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