java.lang.NullPointerException

Exception #2925649

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  • Stack trace

    • java.lang.NullPointerException at org.dspace.storage.rdbms.DatabaseManager.queryTable(DatabaseManager.java:230) at org.dspace.storage.rdbms.DatabaseManager.querySingleTable(DatabaseManager.java:381) at org.dspace.storage.rdbms.DatabaseManager.findByUnique(DatabaseManager.java:546) 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:620) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:277) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:274) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:536) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:309) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:169) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:297) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:191) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:187) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:186) at org.dspace.rdf.negotiation.NegotiationFilter.doFilter(NegotiationFilter.java:59) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:277) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:274) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:536) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:309) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:249) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:191) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:187) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:186) at org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78) at sun.reflect.GeneratedMethodAccessor52.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:277) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:274) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:536) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:309) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:249) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:191) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:187) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:186) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)

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