Sorry,

After further testing I have realised it does not actually work when changing 
the URL, it just defaults to a browse by issue date search, not a by 
Author/Subject.

This what the log says:-

jspui/browse?type=subject
-- Method: GET
-- Parameters were:
-- type: "subject"

java.lang.IllegalArgumentException: No such column authority
                at 
org.dspace.storage.rdbms.TableRow.getStringColumn(TableRow.java:288)
                at 
org.dspace.browse.BrowseDAOPostgres.doValueQuery(BrowseDAOPostgres.java:437)
                at 
org.dspace.browse.BrowseEngine.browseByValue(BrowseEngine.java:515)
                at org.dspace.browse.BrowseEngine.browse(BrowseEngine.java:126)
                at 
org.dspace.app.webui.servlet.AbstractBrowserServlet.processBrowse(AbstractBrowserServlet.java:342)
                at 
org.dspace.app.webui.servlet.BrowserServlet.doDSGet(BrowserServlet.java:112)
                at 
org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:151)
                at 
org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:99)
                at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
                at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
                at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
                at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at 
org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:112)
                at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
                at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
                at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
                at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
                at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
                at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
                at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
                at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
                at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
                at java.lang.Thread.run(Unknown Source)


From: Hossain, Aaron [mailto:a.hoss...@abertay.ac.uk]
Sent: 06 July 2010 14:21
To: dspace-tech@lists.sourceforge.net
Subject: [Dspace-tech] Browse by Author or Subject causes Internal System 
Error, however...

Hi all,

Have upgraded from 1.5.2 to 1.6.2 and get an Internal System Error when trying 
to browse by Author or Subject, however when I change the url manually to a 
capital A or S accordingly the query works !

Is this a mis configured messages.properties file ??

Doesn't work     jspui/browse?type=subject

Does work          jspui/browse?type=Subject

Doesn't work     jspui/browse?type=author

Does work          jspui/browse?type=Author


Regards

@

Aaron Hossain
Senior Information Specialist
Central Server Group
Information Services
University of Abertay Dundee

Tel:   01382 308802
Mob:  07791670579
a.hoss...@abertay.ac.uk<mailto:a.hoss...@abertay.ac.uk>

Home of Dare to be Digital - the UK's premier computer games design competition 
for university students
The University of Abertay Dundee is a charity registered in Scotland, No: 
SC016040

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