2 files changed, 2 insertions, 2 deletions
diff --git a/src/examples/src/org/apache/poi/examples/xssf/eventusermodel/FromHowTo.java b/src/examples/src/org/apache/poi/examples/xssf/eventusermodel/FromHowTo.java
index 4b376a979d..d61b4adb38 100644
--- a/src/examples/src/org/apache/poi/examples/xssf/eventusermodel/FromHowTo.java
+++ b/src/examples/src/org/apache/poi/examples/xssf/eventusermodel/FromHowTo.java
@@ -132,7 +132,7 @@ public class FromHowTo {
                 throws SAXException {
             // Process the last contents as required.
             // Do now, as characters() may be called more than once
-            if(nextIsString) {
+            if(nextIsString && !lastContents.trim().isEmpty()) {
                 Integer idx = Integer.valueOf(lastContents);
                 lastContents = lruCache.get(idx);
                 if (lastContents == null && !lruCache.containsKey(idx)) {
diff --git a/src/examples/src/org/apache/poi/examples/xssf/eventusermodel/XLSX2CSV.java b/src/examples/src/org/apache/poi/examples/xssf/eventusermodel/XLSX2CSV.java
index 1786538366..627e0f7fb5 100644
--- a/src/examples/src/org/apache/poi/examples/xssf/eventusermodel/XLSX2CSV.java
+++ b/src/examples/src/org/apache/poi/examples/xssf/eventusermodel/XLSX2CSV.java
@@ -135,7 +135,7 @@ public class XLSX2CSV {
                 //noinspection ResultOfMethodCallIgnored
                 Double.parseDouble(formattedValue);
                 output.append(formattedValue);
-            } catch (NumberFormatException e) {
+            } catch (Exception e) {
                 output.append('"');
                 output.append(formattedValue);
                 output.append('"');