I upgraded to 4.0 from 3.2. I am now encountering internal server error. Then when examining it turned out that solr modules "search" and "statistics" is not loading. Yes it was already there in upgrade section
"Format error Caused by: org.apache.lucene.index.IndexFormatTooOldException: Format version is not supported (resource: segment _386q in resource ChecksumIndexInput(MMapIndexInput(path="/space/dspace/solr/statistics/data/index/segments_37m6"))): 2.x. This version of Lucene only supports indexes created with release 3.0 and later. " But to solve this, I renamed the data folder under /dspace/solr/search/data and /dspace/solr/statistics/data and created new data folders. Then restarted tomcat. But still I am getting internal server error. This is what I see in dspace log. 2014-01-23 02:11:31,771 INFO org.apache.http.impl.client.SystemDefaultHttpClient @ I/O exception (java.net.NoRouteToHostException) caught when connecting to the target host: No route to host 2014-01-23 02:11:31,772 INFO org.apache.http.impl.client.SystemDefaultHttpClient @ Retrying connect 2014-01-23 02:11:34,808 INFO org.apache.http.impl.client.SystemDefaultHttpClient @ I/O exception (java.net.NoRouteToHostException) caught when connecting to the target host: No route to host 2014-01-23 02:11:34,809 INFO org.apache.http.impl.client.SystemDefaultHttpClient @ Retrying connect 2014-01-23 02:11:37,849 INFO org.apache.http.impl.client.SystemDefaultHttpClient @ I/O exception (java.net.NoRouteToHostException) caught when connecting to the target host: No route to host 2014-01-23 02:11:37,849 INFO org.apache.http.impl.client.SystemDefaultHttpClient @ Retrying connect 2014-01-23 02:11:40,885 ERROR org.dspace.browse.ItemCountDAOSolr @ caught exception: org.dspace.discovery.SearchServiceException: IOException occured when talking to server at: http://www.cmrlibrary.in:8080/solr/search at org.dspace.discovery.SolrServiceImpl.search(SolrServiceImpl.java:1561) at org.dspace.browse.ItemCountDAOSolr.loadCount(ItemCountDAOSolr.java:171) at org.dspace.browse.ItemCountDAOSolr.getCount(ItemCountDAOSolr.java:104) at org.dspace.browse.ItemCounter.getCount(ItemCounter.java:118) at org.dspace.app.xmlui.objectmanager.ContainerAdapter.renderDescriptiveSection(ContainerAdapter.java:282) at org.dspace.app.xmlui.objectmanager.AbstractAdapter.renderMETS(AbstractAdapter.java:343) at org.dspace.app.xmlui.cocoon.DSpaceMETSGenerator.generate(DSpaceMETSGenerator.java:101) at sun.reflect.GeneratedMethodAccessor155.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy39.generate(Unknown Source) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:439) at sun.reflect.GeneratedMethodAccessor118.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy31.process(Unknown Source) at org.apache.cocoon.components.source.impl.SitemapSource.getInputStream(SitemapSource.java:199) at org.apache.cocoon.components.xslt.TraxProcessor.getInputSource(TraxProcessor.java:624) at org.apache.cocoon.components.xslt.TraxProcessor.resolve(TraxProcessor.java:569) at org.apache.xpath.SourceTreeManager.resolveURI(SourceTreeManager.java:125) at org.apache.xalan.templates.FuncDocument.getDoc(FuncDocument.java:235) at org.apache.xalan.templates.FuncDocument.execute(FuncDocument.java:192) at org.apache.xpath.Expression.asIterator(Expression.java:250) at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:205) at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:176) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1374) at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:393) at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:176) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1374) at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:393) at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:176) at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:393) at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:176) at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:393) at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:176) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:126) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1374) at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:393) at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:176) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:139) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1374) at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:393) at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:176) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1374) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1374) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1374) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:139) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1374) at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:393) at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:176) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode(TransformerImpl.java:2281) at org.apache.xalan.transformer.TransformerImpl.transformNode(TransformerImpl.java:1367) at org.apache.xalan.transformer.TransformerImpl.run(TransformerImpl.java:3458) at org.apache.xalan.transformer.TransformerHandlerImpl.endDocument(TransformerHandlerImpl.java:406) at org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55) at org.apache.cocoon.transformation.TraxTransformer.endDocument(TraxTransformer.java:563) at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy34.endDocument(Unknown Source) at org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55) at org.dspace.app.xmlui.wing.AbstractWingTransformer.endDocument(AbstractWingTransformer.java:112) at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy33.endDocument(Unknown Source) at org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55) at org.dspace.app.xmlui.wing.AbstractWingTransformer.endDocument(AbstractWingTransformer.java:112) at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy33.endDocument(Unknown Source) at org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55) at org.dspace.app.xmlui.wing.AbstractWingTransformer.endDocument(AbstractWingTransformer.java:112) at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy33.endDocument(Unknown Source) at org.apache.cocoon.environment.internal.EnvironmentChanger.endDocument(EnvironmentStack.java:119) at org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55) at org.dspace.app.xmlui.wing.AbstractWingTransformer.endDocument(AbstractWingTransformer.java:112) at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy36.endDocument(Unknown Source) at org.apache.cocoon.environment.internal.EnvironmentChanger.endDocument(EnvironmentStack.java:119) at org.apache.cocoon.environment.internal.EnvironmentChanger.endDocument(EnvironmentStack.java:119) at org.apache.cocoon.environment.internal.EnvironmentChanger.endDocument(EnvironmentStack.java:119) at org.apache.cocoon.environment.internal.EnvironmentChanger.endDocument(EnvironmentStack.java:119) at org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55) at org.dspace.app.xmlui.wing.AbstractWingTransformer.endDocument(AbstractWingTransformer.java:112) at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy36.endDocument(Unknown Source) at org.apache.cocoon.environment.internal.EnvironmentChanger.endDocument(EnvironmentStack.java:119) at org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55) at org.dspace.app.xmlui.wing.AbstractWingTransformer.endDocument(AbstractWingTransformer.java:112) at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy36.endDocument(Unknown Source) at org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55) at org.dspace.app.xmlui.wing.AbstractWingTransformer.endDocument(AbstractWingTransformer.java:112) at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy36.endDocument(Unknown Source) at org.apache.cocoon.environment.internal.EnvironmentChanger.endDocument(EnvironmentStack.java:119) at org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55) at org.dspace.app.xmlui.wing.AbstractWingTransformer.endDocument(AbstractWingTransformer.java:112) at sun.reflect.GeneratedMethodAccessor293.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy44.endDocument(Unknown Source) at org.apache.cocoon.components.sax.XMLTeePipe.endDocument(XMLTeePipe.java:71) at org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55) at org.dspace.app.xmlui.wing.AbstractWingTransformer.endDocument(AbstractWingTransformer.java:112) at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy36.endDocument(Unknown Source) at org.apache.cocoon.environment.internal.EnvironmentChanger.endDocument(EnvironmentStack.java:119) at org.apache.cocoon.components.sax.XMLTeePipe.endDocument(XMLTeePipe.java:71) at org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55) at org.dspace.app.xmlui.wing.AbstractWingTransformer.endDocument(AbstractWingTransformer.java:112) at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy36.endDocument(Unknown Source) at org.apache.cocoon.environment.internal.EnvironmentChanger.endDocument(EnvironmentStack.java:119) at org.apache.cocoon.components.sax.XMLTeePipe.endDocument(XMLTeePipe.java:71) at org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55) at org.dspace.app.xmlui.wing.AbstractWingTransformer.endDocument(AbstractWingTransformer.java:112) at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy36.endDocument(Unknown Source) at org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55) at org.dspace.app.xmlui.wing.AbstractWingTransformer.endDocument(AbstractWingTransformer.java:112) at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy36.endDocument(Unknown Source) at org.apache.cocoon.environment.internal.EnvironmentChanger.endDocument(EnvironmentStack.java:119) at org.apache.cocoon.components.sax.XMLTeePipe.endDocument(XMLTeePipe.java:71) at org.apache.cocoon.components.sax.AbstractXMLByteStreamInterpreter.parse(AbstractXMLByteStreamInterpreter.java:103) at org.apache.cocoon.components.sax.XMLByteStreamInterpreter.deserialize(XMLByteStreamInterpreter.java:44) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:324) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750) at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy31.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.GeneratedMethodAccessor108.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy32.generate(Unknown Source) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:326) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750) at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy31.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.GeneratedMethodAccessor108.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy32.generate(Unknown Source) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:326) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750) at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy31.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.GeneratedMethodAccessor108.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy32.generate(Unknown Source) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:326) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750) at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy31.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.GeneratedMethodAccessor108.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy32.generate(Unknown Source) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750) at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy31.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.GeneratedMethodAccessor108.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy32.generate(Unknown Source) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750) at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy31.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.GeneratedMethodAccessor108.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy32.generate(Unknown Source) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750) at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy31.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.GeneratedMethodAccessor108.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy32.generate(Unknown Source) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750) at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy31.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.GeneratedMethodAccessor108.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy32.generate(Unknown Source) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750) at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy31.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.GeneratedMethodAccessor108.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy32.generate(Unknown Source) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750) at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy31.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.GeneratedMethodAccessor108.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy32.generate(Unknown Source) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:439) at sun.reflect.GeneratedMethodAccessor118.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) at com.sun.proxy.$Proxy31.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:728) 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$ServiceInterceptor.invoke(ServletFactoryBean.java:264) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202) at com.sun.proxy.$Proxy28.service(Unknown Source) at org.dspace.springmvc.CocoonView.render(CocoonView.java:113) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778) at javax.servlet.http.HttpServlet.service(HttpServlet.java:621) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.dspace.app.xmlui.cocoon.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.dspace.app.xmlui.cocoon.DSpaceCocoonServletFilter.doFilter(DSpaceCocoonServletFilter.java:275) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.dspace.app.xmlui.cocoon.servlet.multipart.DSpaceMultipartFilter.doFilter(DSpaceMultipartFilter.java:119) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:724) Caused by: org.apache.solr.client.solrj.SolrServerException: IOException occured when talking to server at: http://www.cmrlibrary.in:8080/solr/search at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:435) at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:180) at org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:90) at org.apache.solr.client.solrj.SolrServer.query(SolrServer.java:301) at org.dspace.discovery.SolrServiceImpl.search(SolrServiceImpl.java:1556) ... 424 more Caused by: java.net.NoRouteToHostException: No route to host at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:579) at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:127) at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180) at org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:294) at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:640) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:479) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:784) at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:365) ... 428 more -- View this message in context: http://dspace.2283337.n4.nabble.com/Upgrading-to-Dspace-4-0-tp4670488.html Sent from the DSpace - Tech 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