Delays logging of error message when invalid JSON content is fetched

For some calls it may not be easy to determine if it contains a JSON body or we want to try to access it anyway.
With this change the caller can decide whether to log the thrown exception or not.

Fixes: OX-10862

src/main/java/sirius/web/http/WebContext.java

@@ -1954,26 +1954,26 @@ public StructuredInput getXMLContent(boolean namespaceAware) {
     public ObjectNode getJSONContent() {
         try {
             if (content == null) {
-                throw Exceptions.handle()
+                throw Exceptions.createHandled()
                                 .to(WebServer.LOG)
                                 .withSystemErrorMessage("Expected a valid JSON map as body of this request.")
                                 .handle();
             }
             if (!content.isInMemory()
                 && content.getFile().length() > maxStructuredInputSize
                 && maxStructuredInputSize > 0) {
-                throw Exceptions.handle()
+                throw Exceptions.createHandled()
                                 .to(WebServer.LOG)
                                 .withSystemErrorMessage(
-                                        "Request body is too large to parse as JSON. The limit is %d bytes",
+                                        "Request body is too large to parse as JSON. The limit is %d bytes.",
                                         maxStructuredInputSize)
                                 .handle();
             }
             return Json.parseObject(content.getString(getRequestEncoding()));
         } catch (HandledException exception) {
             throw exception;
         } catch (Exception exception) {
-            throw Exceptions.handle()
+            throw Exceptions.createHandled()
                             .to(WebServer.LOG)
                             .error(exception)
                             .withSystemErrorMessage("Expected a valid JSON map as body of this request: %s (%s).")