From fe2c4e885c211ec1df1277216c70e61a762dda93 Mon Sep 17 00:00:00 2001
From: Christian Partl <partl@icg.tugraz.at>
Date: Thu, 25 Sep 2014 16:01:17 +0200
Subject: [PATCH] fixed NPE in importer

---
 .../caleydo/core/io/gui/dataimport/wizard/DataSetTypePage.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/org.caleydo.core/src/org/caleydo/core/io/gui/dataimport/wizard/DataSetTypePage.java b/org.caleydo.core/src/org/caleydo/core/io/gui/dataimport/wizard/DataSetTypePage.java
index 5b154338d5..5a0887bd04 100644
--- a/org.caleydo.core/src/org/caleydo/core/io/gui/dataimport/wizard/DataSetTypePage.java
+++ b/org.caleydo.core/src/org/caleydo/core/io/gui/dataimport/wizard/DataSetTypePage.java
@@ -155,7 +155,8 @@ public void fillDataSetDescription() {
 	public void pageActivated() {
 		// The user must always visit the next page before he can finish
 		// updateWidgets();
-		if (dataSetDescription.getDataDescription().getCategoricalClassDescription() != null) {
+		if (dataSetDescription.getDataDescription() != null
+				&& dataSetDescription.getDataDescription().getCategoricalClassDescription() != null) {
 			numericalDatasetButton.setSelection(false);
 			categoricalDatasetButton.setSelection(true);
 		} else {