Hi Daan

Looking into it, I see that a scheduled job is not in the recommended
crontab.
https://wiki.duraspace.org/display/DSDOC4x/OAI+2.0+Server#OAI2.0Server-UsingSolr
https://wiki.duraspace.org/display/DSDOC4x/Scheduled+Tasks+via+Cron
Maybe the DSpace docs need updating.
I am going to add the "compile-items" task to my docs:
http://wiki.lib.sun.ac.za/index.php/SUNScholar/Daily_Admin/4.X

A while back during a particular "load shedding" my OAI index became
corrupt.
So I rebuilt it with:
http://wiki.lib.sun.ac.za/index.php/SUNScholar/Harvesting/4.X#If_using_the_SOLR_DB_.28solr.29

Hope this helps.

Cheers

hg


*Hilton Gibson*
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On 18 February 2015 at 10:23, Daan Lessing <daan.less...@up.ac.za> wrote:

>  Good morning,
>
>
>  We are using DSpace 4.2
>
>
>  When running the following command  *dspace-run/bin/dspace oai import
> -c  *to import SOLR Indexes it runs 100% until I get the following error;
>
>
>  4800 items imported so far...
>
> 4900 items imported so far...
>
> 5000 items imported so far...
>
> 5100 items imported so far...
>
> 5200 items imported so far...
>
> 5300 items imported so far...
>
> 5400 items imported so far...
>
> 5500 items imported so far...
>
> java.lang.NullPointerException
>
>         at org.dspace.xoai.app.XOAI.index(XOAI.java:275)
>
>         at org.dspace.xoai.app.XOAI.index(XOAI.java:229)
>
>         at org.dspace.xoai.app.XOAI.indexAll(XOAI.java:210)
>
>         at org.dspace.xoai.app.XOAI.index(XOAI.java:128)
>
>         at org.dspace.xoai.app.XOAI.main(XOAI.java:439)
>
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>
>         at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>
>         at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>
>         at java.lang.reflect.Method.invoke(Method.java:606)
>
>         at
> org.dspace.app.launcher.ScriptLauncher.runOneCommand(ScriptLauncher.java:225)
>
>         at
> org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:77)
>
>
>  Please can someone help with a solution on this problem.
>
>
>  Regards,
>
> Daan
>
>
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