<div dir="ltr">Hi Rui,<div><br></div><div>I think I had the same problem... This might be a workaround, try to publish the data first (privately) and by miracle the issue of the citation was fixed.</div><div>For me, the error was that I only had a blink screen when navigating to the citations section..</div><div><br></div><div>Chrs,</div><div>Dimi</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Sep 7, 2021 at 1:15 PM Rui Figueira <<a href="mailto:ruifigueira@isa.ulisboa.pt">ruifigueira@isa.ulisboa.pt</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Dear all,<br>
<br>
We are using IPT 2.5.1, on a server with Java(TM) SE Runtime Environment <br>
(build 1.8.0_131-b11) and tomcat7.<br>
<br>
In managing a newly created resource, if we navigate to Metadata, <br>
section citation, we get the following error:<br>
<br>
=====<br>
<br>
FreeMarker template error (HTML_DEBUG mode; use RETHROW in production!)<br>
<br>
Java method <br>
"org.gbif.ipt.model.Resource.generateResourceCitation(String, String)" <br>
threw an exception when invoked on org.gbif.ipt.model.Resource object <br>
"Resource ibi_mantodea_01"; see cause exception in the Java stack trace.<br>
<br>
----<br>
FTL stack trace ("~" means nesting-related):<br>
- Failed at: ${action.resource.generateResourceCit... [in template <br>
"WEB-INF/pages/manage/eml/citations.ftl" at line 14, column 41]<br>
----<br>
<br>
Java stack trace (for programmers):<br>
----<br>
freemarker.core._TemplateModelException: [... Exception message was <br>
already printed; see it above ...]<br>
at <br>
freemarker.ext.beans._MethodUtil.newInvocationTemplateModelException(_MethodUtil.java:289)<br>
at <br>
freemarker.ext.beans._MethodUtil.newInvocationTemplateModelException(_MethodUtil.java:261)<br>
at <br>
freemarker.ext.beans.OverloadedMethodsModel.exec(OverloadedMethodsModel.java:65)<br>
at freemarker.core.MethodCall._eval(MethodCall.java:65)<br>
at freemarker.core.Expression.eval(Expression.java:81)<br>
<br>
...<br>
<br>
Caused by: java.lang.NullPointerException<br>
at java.util.Calendar.setTime(Calendar.java:1770)<br>
at org.gbif.ipt.model.Resource.getPublicationYear(Resource.java:1240)<br>
at <br>
org.gbif.ipt.model.Resource.generateResourceCitation(Resource.java:1153)<br>
at <br>
org.gbif.ipt.model.Resource.generateResourceCitation(Resource.java:1113)<br>
at sun.reflect.GeneratedMethodAccessor967.invoke(Unknown Source)<br>
<br>
=====<br>
<br>
Could anyone help to sort out how to resolve this problem? Let me know <br>
if you need any more information.<br>
<br>
best,<br>
<br>
Rui<br>
<br>
-- <br>
------------------<br>
<br>
Rui Figueira<br>
Coordenador do Nó Português do GBIF<br>
<a href="mailto:ruifigueira@isa.ulisboa.pt" target="_blank">ruifigueira@isa.ulisboa.pt</a><br>
Instituto Superior de Agronomia<br>
Herbário<br>
Tapada da Ajuda, 1349-017 Lisboa, Portugal<br>
Tel. +351 213653165 | Fax. +351 213653195<br>
<a href="http://www.gbif.pt" rel="noreferrer" target="_blank">http://www.gbif.pt</a><br>
<a href="http://www.isa.ulisboa.pt" rel="noreferrer" target="_blank">http://www.isa.ulisboa.pt</a><br>
<br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><p><span lang="EN-US" style="font-size:10pt;color:rgb(31,73,125)">Belgian Biodiversity
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