Hi.
DspaceCris from one moment to another, does not allow me to view the items
I send the error and I hope you can help me
David.
23-Jul-2019 23:19:36.360 SEVERE [http-nio-8080-exec-23] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [handle] in context with path [/jspui] threw exception [java.lang.NullPointerException] with root cause
java.lang.NullPointerException
at org.dspace.storage.rdbms.DatabaseManager.queryTable(DatabaseManager.java:237)
at org.dspace.storage.rdbms.DatabaseManager.querySingleTable(DatabaseManager.java:454)
at org.dspace.storage.rdbms.DatabaseManager.findByUnique(DatabaseManager.java:620)
at org.dspace.handle.HandleManager.findHandleInternal(HandleManager.java:535)
at org.dspace.handle.HandleManager.resolveToObject(HandleManager.java:322)
at org.dspace.app.webui.servlet.HandleServlet.doDSGet(HandleServlet.java:128)
at org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:119)
at org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:67)
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.dspace.rdf.negotiation.NegotiationFilter.doFilter(NegotiationFilter.java:59)
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:493)