Hi,

I've been running a DSpace 1.7.1 instance with Discovery enabled on an OpenSUSE 
server for over a year now. When I recently installed some overdue system 
patches and updates (on a clone of the live system) I found that Discovery had 
stopped working, so essentially the library can not be used properly since 
searching/filtering isn't available now. All I get is a lot of these exceptions 
(I put that in a quote, so hopefully your email software will be able to 
collapse that):
> 2012-09-28 12:34:33,691 ERROR 
> org.dspace.app.xmlui.aspect.discovery.AbstractFiltersTransformer @ 
> anonymous:session_id=C698E3C5D16323B82199C268EFC9A3AB:ip_addr=141.83.80.148:Error
>  in discovery while setting up date facet range:date facet\colon; 
> dc.date.issued.year
> org.dspace.discovery.SearchServiceException: Error executing query
> at org.dspace.discovery.SolrServiceImpl.search(SolrServiceImpl.java:938)
> at 
> org.dspace.app.xmlui.aspect.discovery.AbstractFiltersTransformer.prepareDefaultFilters(AbstractFiltersTransformer.java:274)
> at 
> org.dspace.app.xmlui.aspect.discovery.SiteRecentSubmissions.performSearch(SiteRecentSubmissions.java:98)
> at 
> org.dspace.app.xmlui.aspect.discovery.SiteRecentSubmissions.addBody(SiteRecentSubmissions.java:53)
> at 
> org.dspace.app.xmlui.wing.AbstractWingTransformer.startElement(AbstractWingTransformer.java:223)
> at sun.reflect.GeneratedMethodAccessor94.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy32.startElement(Unknown Source)
> at 
> org.apache.cocoon.components.sax.XMLTeePipe.startElement(XMLTeePipe.java:87)
> at 
> org.apache.cocoon.components.sax.AbstractXMLByteStreamInterpreter.parse(AbstractXMLByteStreamInterpreter.java:117)
> at 
> org.apache.cocoon.components.sax.XMLByteStreamInterpreter.deserialize(XMLByteStreamInterpreter.java:44)
> at 
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:324)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
> at sun.reflect.GeneratedMethodAccessor102.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy25.process(Unknown Source)
> at 
> org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
> at org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
> at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy26.generate(Unknown Source)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
> at 
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
> at sun.reflect.GeneratedMethodAccessor102.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy25.process(Unknown Source)
> at 
> org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
> at org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
> at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy26.generate(Unknown Source)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
> at 
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
> at sun.reflect.GeneratedMethodAccessor102.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy25.process(Unknown Source)
> at 
> org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
> at org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
> at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy26.generate(Unknown Source)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
> at 
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
> at sun.reflect.GeneratedMethodAccessor102.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy25.process(Unknown Source)
> at 
> org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
> at org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
> at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy26.generate(Unknown Source)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
> at 
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
> at sun.reflect.GeneratedMethodAccessor102.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy25.process(Unknown Source)
> at 
> org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
> at org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
> at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy26.generate(Unknown Source)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
> at 
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
> at sun.reflect.GeneratedMethodAccessor102.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy25.process(Unknown Source)
> at 
> org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
> at org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
> at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy26.generate(Unknown Source)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
> at 
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
> at sun.reflect.GeneratedMethodAccessor102.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy25.process(Unknown Source)
> at 
> org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
> at 
> org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
> at org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
> at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy26.generate(Unknown Source)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
> at 
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:439)
> at sun.reflect.GeneratedMethodAccessor111.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
> at $Proxy25.process(Unknown Source)
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:147)
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
> at 
> org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:117)
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
> at 
> org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:117)
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
> at 
> org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
> at 
> org.apache.cocoon.servlet.RequestProcessor.process(RequestProcessor.java:351)
> at 
> org.apache.cocoon.servlet.RequestProcessor.service(RequestProcessor.java:169)
> at org.apache.cocoon.sitemap.SitemapServlet.service(SitemapServlet.java:84)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
> at 
> org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:468)
> at 
> org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:443)
> at 
> org.apache.cocoon.servletservice.spring.ServletFactoryBean$ServiceInterceptor.invoke(ServletFactoryBean.java:264)
> at 
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
> at 
> org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
> at $Proxy22.service(Unknown Source)
> at 
> org.apache.cocoon.servletservice.DispatcherServlet.service(DispatcherServlet.java:106)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at 
> org.dspace.app.xmlui.cocoon.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at 
> org.dspace.app.xmlui.cocoon.DSpaceCocoonServletFilter.doFilter(DSpaceCocoonServletFilter.java:246)
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at 
> org.apache.cocoon.servlet.multipart.MultipartFilter.doFilter(MultipartFilter.java:131)
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at 
> org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78)
> 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:191)
> at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:555)
> at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
> at org.apache.coyote.ajp.AjpAprProcessor.process(AjpAprProcessor.java:429)
> at 
> org.apache.coyote.ajp.AjpAprProtocol$AjpConnectionHandler.process(AjpAprProtocol.java:384)
> at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1555)
> at java.lang.Thread.run(Thread.java:722)
> Caused by: org.apache.solr.client.solrj.SolrServerException: Error executing 
> query
> at 
> org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:95)
> at org.apache.solr.client.solrj.SolrServer.query(SolrServer.java:118)
> at org.dspace.discovery.SolrServiceImpl.search(SolrServiceImpl.java:936)
> ... 203 more
> Caused by: org.apache.solr.common.SolrException: Bad Request
>  
> Bad Request
>  
> request: 
> http://localhost:8080/solr/search/select?rows=1&q=dc.date.issued.year:[* TO 
> *]&sort=dc.date.issued.year asc&wt=javabin&version=1
> at 
> org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:435)
> at 
> org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:244)
> at 
> org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:89)
> ... 205 more
>  


Unfortunately, I didn't find anyone who had the same problem. When I search for 
some of the errors, most of what I find is by people who are having trouble 
setting up Discovery in the first place. My problem seems to be different since 
I am also able to successfully run dspace update-discovery-index.
However, I already checked, if somehow the localhost-limited access to solr was 
the source of the problem and indeed I found and fixed a weird issue, which 
didn't allow the IPv6 formatting of the localhost address to access solr. But 
now that I can successfully wget solr from the server (I also tested the 
queries that turn up in the log as "Bad request") I'm out of ideas.


tl;dr-Version:
- I had a working DSpace 1.7.1 with Discovery enabled
- I installed several updates and patches for OpenSUSE
- now Discovery doesn't work anymore although the index does exist and solr is 
accessible via wget

thanks in advance for any advice

Philipp Bohnenstengel
Studentische Hilfskraft

Institut für Multimediale und Interaktive Systeme
Universität zu Lübeck

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