Remove unneccesary log lines and clean up some documentation

hapi-fhir-base/src/main/java/ca/uhn/fhir/parser/IParserErrorHandler.java

@@ -55,7 +55,7 @@ public interface IParserErrorHandler {
 	void incorrectJsonType(IParseLocation theLocation, String theElementName, ValueType theExpectedValueType, ScalarType theExpectedScalarType, ValueType theFoundValueType, ScalarType theFoundScalarType);
 
 	/**
-	 * The parser detected an atttribute value that was invalid (such as: empty "" values are not permitted)
+	 * The parser detected an attribute value that was invalid (such as: empty "" values are not permitted)
 	 * 
 	 * @param theLocation
 	 *           The location in the document. Note that this may be <code>null</code> as the ParseLocation feature is experimental. Use with caution, as the API may change. 
@@ -70,7 +70,7 @@ public interface IParserErrorHandler {
 	 * 
 	 * @param theLocation
 	 *           The location in the document. Note that this may be <code>null</code> as the ParseLocation feature is experimental. Use with caution, as the API may change. 
-	 * @param theReference The actual invalid reference (e.g. "#3")
+	 * @param theElementName The missing element name
 	 * @since 2.1
 	 */
 	void missingRequiredElement(IParseLocation theLocation, String theElementName);
@@ -123,7 +123,7 @@ public interface IParserErrorHandler {
 	 * type which will currently always be set to null. This interface is included here so that
 	 * locations can be added to the API in a future release without changing the API.
 	 */
-	public interface IParseLocation {
+	interface IParseLocation {
 
 		/**
 		 * Returns the name of the parent element (the element containing the element currently being parsed)

hapi-fhir-base/src/main/java/ca/uhn/fhir/parser/JsonParser.java

@@ -1033,7 +1033,7 @@ public class JsonParser extends BaseParser implements IJsonLikeParser {
 				} else {
 					parentElementName = "extension";
 				}
-				getErrorHandler().missingRequiredElement(new ParseLocation(parentElementName), "url");
+				getErrorHandler().missingRequiredElement(new ParseLocation().setParentElementName(parentElementName), "url");
 				url = null;
 			} else {
 				url = getExtensionUrl(jsonElement.getAsString());

hapi-fhir-base/src/main/java/ca/uhn/fhir/parser/ParseLocation.java

@@ -29,9 +29,8 @@ class ParseLocation implements IParseLocation {
 	/**
 	 * Constructor
 	 */
-	public ParseLocation(String theParentElementName) {
+	public ParseLocation() {
 		super();
-		myParentElementName = theParentElementName;
 	}
 
 	@Override
@@ -39,4 +38,9 @@ class ParseLocation implements IParseLocation {
 		return myParentElementName;
 	}
 
+	public ParseLocation setParentElementName(String theParentElementName) {
+		myParentElementName = theParentElementName;
+		return this;
+	}
+
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/parser/ParserState.java

@@ -806,7 +806,7 @@ class ParserState<T> {
 				@SuppressWarnings("unchecked")
 				List<IBase> securityLabels = (List<IBase>) myMap.get(ResourceMetadataKeyEnum.SECURITY_LABELS);
 				if (securityLabels == null) {
-					securityLabels = new ArrayList<IBase>();
+					securityLabels = new ArrayList<>();
 					myMap.put(ResourceMetadataKeyEnum.SECURITY_LABELS, securityLabels);
 				}
 				IBase securityLabel = myContext.getVersion().newCodingDt();

hapi-fhir-cli/hapi-fhir-cli-app/src/main/java/ca/uhn/fhir/cli/ValidationDataUploader.java

@@ -7,6 +7,7 @@ import ca.uhn.fhir.model.dstu2.resource.Bundle.Entry;
 import ca.uhn.fhir.model.dstu2.resource.StructureDefinition;
 import ca.uhn.fhir.model.dstu2.resource.ValueSet;
 import ca.uhn.fhir.rest.client.api.IGenericClient;
+import ca.uhn.fhir.rest.server.exceptions.BaseServerResponseException;
 import ca.uhn.fhir.rest.server.exceptions.UnprocessableEntityException;
 import org.apache.commons.cli.CommandLine;
 import org.apache.commons.cli.Option;
@@ -274,6 +275,8 @@ public class ValidationDataUploader extends BaseCommand {
 				ourLog.info("  - Got ID: {}", id.getValue());
 			} catch (UnprocessableEntityException e) {
 				ourLog.warn("UnprocessableEntityException: " + e.toString());
+			} catch (BaseServerResponseException e) {
+				ourLog.warn("Server responded HTTP " + e.getStatusCode() + ": " + e.toString());
 			}
 			count++;
 		}

src/changes/changes.xml

@@ -154,6 +154,10 @@
 				Deleting a resource from the testpage overlay resulted in an error page after 
 				clicking "delete", even though the delete succeeded.
 			</action>
+			<action type="remove">
+				A number of info level log lines have been reduced to debug level in the JPA server, in 
+				order to reduce contention during heavy loads.
+			</action>
 		</release>
 		<release version="3.2.0" date="2018-01-13">
 			<action type="add">