As per what I could see, the exception happens in 
the aspect/administrative/FlowContainerUtils.java file, in the line marked 
with bold:

        public static FlowResult processCreateCommunity(Context context, 
> UUID communityID, Request request)
>             throws AuthorizeException, IOException, SQLException
>         {
>                 FlowResult result = new FlowResult();
>                 Community newCommunity;
>                 if (communityID != null)
>         {
>             newCommunity = communityService.createSubcommunity(context, 
> communityService.find(context, communityID));
>         }
>                 else
>         {
>             *newCommunity = communityService.create(null, context);*
>         }


Any hints?

Thanks

El martes, 31 de octubre de 2017, 11:47:53 (UTC), [email protected] 
escribió:
>
> Hi,
>
> We're running DSpace 6.2 and we're having an issue creating root 
> communities (on the top of the hierarchy). Immediately after hitting the 
> "Create" button, a NullPointerException is shown. The strange thing is that 
> there are no logs anywhere in the 'logs' directory nor in the tomcat logs 
> when the exception pops-up. I could get Cocoon and Java logs though from 
> the web browser, which I'm attaching.
>
> We can just reproduce it when it comes to create a root community, no 
> issues when creating subcommunities nor collections.
>
> Could someone give some pointers on why is this happening and possibly how 
> to solve it?
>
> Thanks in advance
>
> James
>

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