Thanks Tim for answering my email, copy the lines of my LOG file this is
what I get:

2018-09-24 10:24:04,287 WARN  org.dspace.app.webui.servlet.DSpaceServlet @
anonymous:session_id=53741F36891CF45C93CC7CCB64877589:ip_addr=54.38.255.116:general_jspui_error:javax.servlet.ServletException\colon;
org.apache.jasper.JasperException\colon; java.lang.NullPointerException
javax.servlet.ServletException: org.apache.jasper.JasperException:
java.lang.NullPointerException
at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:71)
at
org.dspace.app.webui.servlet.HandleServlet.collectionHome(HandleServlet.java:773)
at
org.dspace.app.webui.servlet.HandleServlet.doDSGet(HandleServlet.java:305)
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:624)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.dspace.rdf.negotiation.NegotiationFilter.doFilter(NegotiationFilter.java:52)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1136)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
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: java.lang.NullPointerException
at
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:561)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:477)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:743)
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:485)
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:410)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:337)
at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:64)
... 32 more
Caused by: java.lang.NullPointerException
2018-09-24 10:24:08,634 INFO  org.dspace.app.webui.servlet.HandleServlet @
anonymous:session_id=44BB79B9681EEC83C2BBA17ED03596B1:ip_addr=54.38.255.116:
view_item:handle=10469/13954
2018-09-24 10:24:08,650 INFO  org.dspace.usage.LoggerUsageEventListener @
anonymous:session_id=44BB79B9681EEC83C2BBA17ED03596B1:ip_addr=54.38.255.116:
view_item:handle=10469/13954



El lun., 24 sept. 2018 a las 10:26, Tim Donohue (<[email protected]>)
escribió:

> Hi Freddy,
>
> Your error stack trace in your previous email looks to be cut off.  The
> most important part of the stack trace would likely be the section
> immediately *after* "Caused by: java.lang.NullPointerException", but that
> line is the last line of your email.
>
> Please send along the second part of your stack trace to this mailing
> list, and hopefully someone here will recognize the error and be able to
> help you.
>
> Tim
>
>
> On Mon, Sep 24, 2018 at 12:09 AM Freddy Guerrero <[email protected]>
> wrote:
>
>> Please can you help me with this query, I use dspace version 6.3 (JSPUI),
>> this error occurs when I search for example the word "Inteligencia", in
>> xmlui it works well.
>>
>>
>> 2018-09-24 00:00:04,194 INFO
>> org.dspace.app.webui.discovery.DiscoverySearchRequestProcessor @
>> anonymous:session_id=FB3898400884E853E071EB0B361094E4:ip_addr=190.131.162.9:search:scope=null,query="Inteligencia
>> ",results=(0,0,10)
>> 2018-09-24 00:00:04,226 WARN  org.dspace.app.webui.servlet.DSpaceServlet
>> @
>> anonymous:session_id=FB3898400884E853E071EB0B361094E4:ip_addr=190.131.162.9:general_jspui_error:javax.servlet.ServletException\colon;
>> org.apache.jasper.JasperException\colon; java.lang.NullPointerException
>> javax.servlet.ServletException: org.apache.jasper.JasperException:
>> java.lang.NullPointerException
>> at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:71)
>> at
>> org.dspace.app.webui.discovery.DiscoverySearchRequestProcessor.doSimpleSearch(DiscoverySearchRequestProcessor.java:458)
>> at
>> org.dspace.app.webui.servlet.SimpleSearchServlet.doDSGet(SimpleSearchServlet.java:63)
>> 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:624)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
>> at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
>> at
>> org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
>> at
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
>> at
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
>> at
>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
>> at
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
>> at
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
>> at
>> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
>> at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
>> at
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
>> at
>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1136)
>> at
>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
>> at
>> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
>> 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:
>> java.lang.NullPointerException
>> at
>> org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:561)
>> at
>> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:477)
>> at
>> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
>> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
>> at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
>> at
>> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:743)
>> at
>> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:485)
>> at
>> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:410)
>> at
>> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:337)
>> at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:64)
>> ... 29 more
>> Caused by: java.lang.NullPointerException
>>
>> --
>> All messages to this mailing list should adhere to the DuraSpace Code of
>> Conduct: https://duraspace.org/about/policies/code-of-conduct/
>> ---
>> You received this message because you are subscribed to the Google Groups
>> "DSpace Technical Support" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to [email protected].
>> To post to this group, send email to [email protected].
>> Visit this group at https://groups.google.com/group/dspace-tech.
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>>
> --
> Tim Donohue
> Technical Lead for DSpace & DSpaceDirect
> DuraSpace.org | DSpace.org | DSpaceDirect.org
>

-- 
All messages to this mailing list should adhere to the DuraSpace Code of 
Conduct: https://duraspace.org/about/policies/code-of-conduct/
--- 
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To unsubscribe from this group and stop receiving emails from it, send an email 
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