From 736b58230b4fa1d9584587dfc7a56a231bee11e7 Mon Sep 17 00:00:00 2001
From: jensp <jensp@8810af33-2d31-482b-a856-94f89814c4df>
Date: Mon, 20 Nov 2017 08:48:49 +0000
Subject: [PATCH] The SciProjectList filters did not work correctly when no
 researchfield was selected

git-svn-id: https://svn.libreccm.org/ccm/trunk@5122 8810af33-2d31-482b-a856-94f89814c4df
---
 .../arsdigita/cms/sciproject/navigation/SciProjectList.java    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ccm-sci-project-navigation/src/com/arsdigita/cms/sciproject/navigation/SciProjectList.java b/ccm-sci-project-navigation/src/com/arsdigita/cms/sciproject/navigation/SciProjectList.java
index 86b9817e2..ac930ed58 100644
--- a/ccm-sci-project-navigation/src/com/arsdigita/cms/sciproject/navigation/SciProjectList.java
+++ b/ccm-sci-project-navigation/src/com/arsdigita/cms/sciproject/navigation/SciProjectList.java
@@ -106,7 +106,8 @@ public class SciProjectList extends AbstractComponent {
             titleFilter = Globalization.decodeParameter(request,
                                                         "title");
 //            final BigDecimal categoryFilter;
-            if (request.getParameter("researchfield") == null) {
+            if (request.getParameter("researchfield") == null 
+                || request.getParameter("researchfield").isEmpty()) {
                 researchFieldFilter = null;
             } else if (request.getParameter("researchfield").matches("\\d*")) {
                 researchFieldFilter