when data in database is wrong exception is properly handled

annotation/src/main/java/lcsb/mapviewer/annotation/services/ChemicalParser.java

@@ -12,6 +12,7 @@ import java.util.Set;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import org.apache.commons.lang3.SerializationException;
 import org.apache.log4j.Logger;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.w3c.dom.Node;
@@ -353,8 +354,12 @@ public class ChemicalParser extends CachableInterface implements IExternalServic
 		// look for chemical in the cache
 		Node chemicalNode = super.getCacheNode(getIdentifier(diseaseID, chemicalId));
 		if (chemicalNode != null && chemicalNode.hasChildNodes()) {
-			result = chemicalSerializer.xmlToObject(chemicalNode);
-			return result;
+			try {
+				result = chemicalSerializer.xmlToObject(chemicalNode);
+				return result;
+			} catch (SerializationException e) {
+				logger.error(e, e);
+			}
 		}
 		try {
 			String diseaseQuery = DISEASE_URL + diseaseID.getResource();