econstor import optimizations, some additional logging etc.

src/main/java/org/gesis/dda/filter/impl/Wzb2SsoarBundleFilter.java

@@ -29,6 +29,7 @@ public class Wzb2SsoarBundleFilter implements BundleFilter {
                 int yearIssuedValue = Integer.parseInt(yearIssuedValueString);
                 
                 if ( yearIssuedValue >= 2016 ) {
+                	LOG.info("'{}' is newer than 2016", yearIssuedValueString);
                     result = true;
                 }
                 else {

src/main/java/org/gesis/dda/publishing/domain/impl/XsltTransformerOaiPmhBundlesStreamSource.java

@@ -258,10 +258,10 @@ public class XsltTransformerOaiPmhBundlesStreamSource implements BundlesStreamSo
 				if (null != errorCode) {
 					if ("filteraway".equals(errorCode)) {
 						LOG.info("1- filtering away oaiPmhIdentifier={}", oaiPmhIdentifier);
+						LOG.info("ErrorCode={}", errorCode);
 						LOG.info("Error detail: {}", e.getCause().getLocalizedMessage());
 						resultBundle = null;
-						// test if this break is really necessary, taken out. STJ
-						// break;
+						break;
 					} else {
 						LOG.warn("2- fatalError. Filtering away oaiPmhIdentifier=" + oaiPmhIdentifier, e);
 					}