Currently, I am in the process of constructing a DSpace repository on an Ubuntu 16.04

I have successfully set up a DSpace repository on Ubuntu 16.04 LTS by following the installation instructions provided in this manual. After deploying the webapps, I encountered an issue when trying to add new items.

Upon clicking the search link, I received the following error message:

Expected mime type application/octet-stream but got text/html. Apache Tomcat/8.0.39 - Error reportH1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}.line {height: 1px; background-color: #525D76; border: none;}

HTTP Status 403 -

type Status report

message

description Access to the specified resource has been forbidden.

Apache Tomcat/8.0.39

I am seeking guidance on how to resolve this error and proceed with my repository setup. Any help would be greatly appreciated.

csssolrubuntu-16.04dspace

Answer №1

It seems like the Solr webapp is denying the HTTP request coming from the DSpace Discovery module. By default, the 'solr' WAR is set up with a LocalHostRestrictionFilter that only allows communication from the local machine to the solr cores such as search and statistics.

Ensure that in your $dspace/config/dspace.cfg configuration file, the "solr.server" parameter is correctly configured. If everything is running on the same machine with default settings, it should be something like

solr.server = http://localhost:8080/solr

Additionally, check that your $dspace/config/modules/discovery.cfg file contains

discovery.search.server = ${solr.server}/search

If your solr instance is on a different machine than where your XMLUI application or main DSpace instance is running, this behavior is normal. Check your Tomcat access logs to see which IP address solr is recognizing (look for entries with a 403 HTTP response code). If the IP address seems fine but doesn't match 127.0.0.1 (such as an ipv6 or proxied address), you may need to adjust the LocalHostRestrictionFilter valve to allow that specific address. Just be cautious about opening up access too widely!

You can find a guide on how to make these adjustments at

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