fixed various small comments

core/src/main/java/org/elasticsearch/ingest/core/CompoundProcessor.java

@@ -77,7 +77,7 @@ public class CompoundProcessor implements Processor {
                 } else {
                     executeOnFailure(ingestDocument, e, processor.getType());
                 }
-                return;
+                break;
             }
         }
     }

core/src/main/java/org/elasticsearch/ingest/processor/DateProcessor.java

@@ -19,6 +19,7 @@
 
 package org.elasticsearch.ingest.processor;
 
+import org.elasticsearch.ExceptionsHelper;
 import org.elasticsearch.ingest.core.AbstractProcessorFactory;
 import org.elasticsearch.ingest.core.IngestDocument;
 import org.elasticsearch.ingest.core.ConfigurationUtils;
@@ -78,9 +79,9 @@ public final class DateProcessor implements Processor {
         for (Function<String, DateTime> dateParser : dateParsers) {
             try {
                 dateTime = dateParser.apply(value);
-            } catch(Exception e) {
-                //try the next parser and keep track of the last exception
-                lastException = e;
+            } catch (Exception e) {
+                //try the next parser and keep track of the exceptions
+                lastException = ExceptionsHelper.useOrSuppress(lastException, e);
             }
         }
 

core/src/main/java/org/elasticsearch/ingest/processor/DeDotProcessor.java

@@ -91,7 +91,9 @@ public class DeDotProcessor implements Processor {
         } else if (obj instanceof List) {
             @SuppressWarnings("unchecked")
             List<Object> list = (List) obj;
-            list.forEach(this::deDot);
+            for (Object value : list) {
+                deDot(value);
+            }
         }
     }