fix

Author: hzarka

src/main/java/com/zendesk/maxwell/schema/columndef/JsonColumnDef.java

@@ -26,8 +26,8 @@ public Object asJSON(Object value, MaxwellOutputConfig config) throws ColumnDefC
 			try {
 				byte[] bytes = (byte[]) value;
 				if (bytes.length > 4096) {
-					LOGGER.warn("Parsing JSON over limit for field: " + name);
-					jsonString = JsonBinary.parseAsString(bytes);
+					LOGGER.warn("Skipping JSON over limit for field: " + name);
+					jsonString = "null";
 				} else {
 					jsonString = bytes.length > 0 ? JsonBinary.parseAsString(bytes) : "null";
 				}