Thank you Tim. I didn't notice anything in the logs that seemed to point to 
a problem with Solr
or the statistics. I'll look again to make sure I haven't overlooked 
something. Also checking the
troubleshooting page you linked.

I'm not sure what you mean by the DSpace Solr webapp, *must* be installed 
into Tomcat. Are
you talking about during the build it must be configured with Tomcat or 
that it is configured in
the [dspace]/webapps/solr directory after DSpace has been built?

   Walter R.


On Tuesday, October 9, 2018 at 10:28:53 AM UTC-8, Tim Donohue wrote:
>
> Hi Walter,
>
> I'd recommend checking your logs for any errors or warnings.  We have a 
> guide for doing so at:
> https://wiki.duraspace.org/display/DSPACE/Troubleshoot+an+error
>
> DSpace does *require* using Solr for Statistics.  However, the required 
> "solr" webapp is provided out-of-the-box with DSpace (it is built into the 
> [dspace]/webapps/solr/ directory), so you do not need to install Apache 
> Solr separately.  That DSpace Solr webapp *must* be installed into Tomcat 
> (alongside your UI, either XMLUI or JSPUI) for Statistics to work properly.
>
> Any errors that are occurring with accessing or logging statistics should 
> be logged in your dspace.log file (or, occasionally, in the Tomcat logs).
>
> In the XMLUI, blank pages usually mean something went wrong.  Most of the 
> time, you should have more information in your logs.  However, if no 
> information is found there, it's always possible that the problem is in 
> your *theme* (XSLTs or similar).  So, if you get stuck, you may also want 
> to try temporarily switching to a default DSpace theme, to ensure your 
> custom theme is not causing issues.
>
> If you have more information to share, or start to figure out what might 
> be to blame, please let us know on this mailing list.  Currently, though, 
> it doesn't look like we have enough information to provide help (unless 
> someone else on this mailing list has seen this exact same behavior before).
>
> Tim
>
> On Mon, Oct 8, 2018 at 5:12 PM <wlruth...@alaska.edu <javascript:>> wrote:
>
>>
>> I'm still having problems with the statistics in DSpace. I have an older 
>> server running DSpace3.1 which is
>> a "copy" of the original system. The statistics apparently haven't worked 
>> since the system moved. The 2nd
>> system is running DSpace5.5. On both systems there is a "View Usage 
>> Statistics" link on the Home page
>> but following the link gives a valid, live page but with no numbers. The 
>> Search and Workflow statistic links
>> give identical error messages on both systems.
>>
>> I have gone through the manual and tried enabling all of the 
>> configuration parameters mentioned but with
>> no luck. I even tried a few which didn't at first seem necessary but 
>> couldn't hurt. Still nothing.
>>
>> The manual says that DSpace uses Apache Solr and there is no need to 
>> download any separate software.
>> But something isn't working. Do I really need to install and run Apache 
>> Solr? What I'm I misconfiguring?
>>
>> Does this look familiar to anyone?
>>
>>     DSpace3.1 system: https://scholarworks.alaska.edu/statistics-home  
>> (may be behind firewall)
>>     DSpace5.5 system: 
>> https://dspace36a.library.uaf.edu/xmlui/statistics-home
>>
>> Thank you,
>>
>>    Walter Rutherford
>>
>> -- 
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> -- 
> Tim Donohue
> Technical Lead for DSpace & DSpaceDirect
> DuraSpace.org | DSpace.org | DSpaceDirect.org
>

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