Hi everybody, i have dspace 6.2 installed on debian 9.2 with tomcat8. it has been turning since 2017. all worked nice until this month. users (except admins) can log in, but once inside, they can(t search for a community or author or for any item. it shows this error message:
[image: Capture du 2024-03-31 10-46-09.png] in the logs we have this error: 2024-03-31 10:51:22,235 INFO org.dspace.app.webui.servlet.HandleServlet @ anonymous:session_id=770A63EE68984650C575B783DD4ECD88:ip_addr=207.46.13.54:view_item:handle=123456789/1628 2024-03-31 10:51:22,269 INFO org.dspace.usage.LoggerUsageEventListener @ anonymous:session_id=770A63EE68984650C575B783DD4ECD88:ip_addr=207.46.13.54:view_item:handle=123456789/1628 2024-03-31 10:51:22,881 INFO org.dspace.statistics.SolrLoggerServiceImpl @ Failed DNS Lookup for IP:207.46.13.54 2024-03-31 10:51:35,167 INFO org.dspace.app.webui.servlet.CommunityListServlet @ [email protected]:session_id=5DF2C8260DE7F88E22482770A41E235F:ip_addr=10.10.1.1:view_community_list: 2024-03-31 10:51:35,576 ERROR org.dspace.browse.ItemCountDAOSolr @ caught exception: org.dspace.discovery.SearchServiceException: Error executing query at org.dspace.discovery.SolrServiceImpl.search(SolrServiceImpl.java:1615) at org.dspace.browse.ItemCountDAOSolr.loadCount(ItemCountDAOSolr.java:137) at org.dspace.browse.ItemCountDAOSolr.getCount(ItemCountDAOSolr.java:81) at org.dspace.browse.ItemCounter.getCount(ItemCounter.java:85) at org.apache.jsp.community_002dlist_jsp.showCommunity(community_002dlist_jsp.java:55) at org.apache.jsp.community_002dlist_jsp._jspService(community_002dlist_jsp.java:405) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:467) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:392) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:311) at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:64) at org.dspace.app.webui.servlet.CommunityListServlet.doDSGet(CommunityListServlet.java:78) at org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:126) at org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:73) at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: org.apache.solr.client.solrj.SolrServerException: Error executing query at org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:100) at org.apache.solr.client.solrj.SolrServer.query(SolrServer.java:301) at org.dspace.discovery.SolrServiceImpl.search(SolrServiceImpl.java:1610) ... 51 more Caused by: org.apache.http.ParseException: Invalid content type: at org.apache.http.entity.ContentType.parse(ContentType.java:273) at org.apache.solr.client.solrj.impl.HttpSolrServer.executeMethod(HttpSolrServer.java:496) at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:210) at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:206) at org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:91) ... 53 more 2024-03-31 10:51:35,618 WARN org.dspace.app.webui.servlet.DSpaceServlet @ [email protected]:session_id=5DF2C8260DE7F88E22482770A41E235F:ip_addr=10.10.1.1:general_jspui_error:javax.servlet.ServletException\colon; org.apache.jasper.JasperException\colon; javax.servlet.ServletException\colon; org.dspace.browse.ItemCountException\colon; org.dspace.discovery.SearchServiceException\colon; Error executing query javax.servlet.ServletException: org.apache.jasper.JasperException: javax.servlet.ServletException: org.dspace.browse.ItemCountException: org.dspace.discovery.SearchServiceException: Error executing query at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:71) at org.dspace.app.webui.servlet.CommunityListServlet.doDSGet(CommunityListServlet.java:78) at org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:126) at org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:73) at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: org.apache.jasper.JasperException: javax.servlet.ServletException: org.dspace.browse.ItemCountException: org.dspace.discovery.SearchServiceException: Error executing query at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:565) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:467) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:392) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:311) at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:64) ... 30 more Caused by: javax.servlet.ServletException: org.dspace.browse.ItemCountException: org.dspace.discovery.SearchServiceException: Error executing query at org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:909) at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:838) at org.apache.jsp.community_002dlist_jsp._jspService(community_002dlist_jsp.java:442) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443) ... 43 more Caused by: org.dspace.browse.ItemCountException: org.dspace.discovery.SearchServiceException: Error executing query at org.dspace.browse.ItemCountDAOSolr.loadCount(ItemCountDAOSolr.java:152) at org.dspace.browse.ItemCountDAOSolr.getCount(ItemCountDAOSolr.java:81) at org.dspace.browse.ItemCounter.getCount(ItemCounter.java:85) at org.apache.jsp.community_002dlist_jsp.showCommunity(community_002dlist_jsp.java:55) at org.apache.jsp.community_002dlist_jsp._jspService(community_002dlist_jsp.java:405) ... 46 more Caused by: org.dspace.discovery.SearchServiceException: Error executing query at org.dspace.discovery.SolrServiceImpl.search(SolrServiceImpl.java:1615) at org.dspace.browse.ItemCountDAOSolr.loadCount(ItemCountDAOSolr.java:137) ... 50 more Caused by: org.apache.solr.client.solrj.SolrServerException: Error executing query at org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:100) at org.apache.solr.client.solrj.SolrServer.query(SolrServer.java:301) at org.dspace.discovery.SolrServiceImpl.search(SolrServiceImpl.java:1610) ... 51 more Caused by: org.apache.http.ParseException: Invalid content type: at org.apache.http.entity.ContentType.parse(ContentType.java:273) at org.apache.solr.client.solrj.impl.HttpSolrServer.executeMethod(HttpSolrServer.java:496) at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:210) at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:206) at org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:91) ... 53 more 2024-03-31 10:51:58,370 INFO org.dspace.app.webui.servlet.HandleServlet @ anonymous:session_id=98DE98D6A975E869B7AEDCBA8CB96305:ip_addr=66.249.70.4:view_item:handle=123456789/1396 2024-03-31 10:51:58,405 INFO org.dspace.usage.LoggerUsageEventListener @ anonymous:session_id=98DE98D6A975E869B7AEDCBA8CB96305:ip_addr=66.249.70.4:view_item:handle=123456789/1396 2024-03-31 10:51:59,015 INFO org.dspace.statistics.SolrLoggerServiceImpl @ Failed DNS Lookup for IP:66.249.70.4 what must i do to solve this problem? 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