Merge branch 'dev' into mkoller/measurementvalues

Change-Id: Icc0a66da55a646f9ddbff0ce00075670b084e182
diff --git a/src/main/java/org/eclipse/mdm/api/odsadapter/ReadRequestHandler.java b/src/main/java/org/eclipse/mdm/api/odsadapter/ReadRequestHandler.java
index 8a1aac1..eebd6aa 100644
--- a/src/main/java/org/eclipse/mdm/api/odsadapter/ReadRequestHandler.java
+++ b/src/main/java/org/eclipse/mdm/api/odsadapter/ReadRequestHandler.java
@@ -366,6 +366,8 @@
 				column.destroy();
 			} catch (AoException e) {
 				// ignore
+			} catch (Exception e) {
+				// ignore
 			} finally {
 				column._release();
 			}