ShreelekhyaG commented on a change in pull request #3896:
URL: https://github.com/apache/carbondata/pull/3896#discussion_r477080590



##########
File path: core/src/main/java/org/apache/carbondata/core/util/DataTypeUtil.java
##########
@@ -444,9 +446,38 @@ private static Object parseTimestamp(String 
dimensionValue, String dateFormat) {
         dateFormatter = timestampFormatter.get();
       }
       dateToStr = dateFormatter.parse(dimensionValue);
-      return dateToStr.getTime();
+      timeValue = dateToStr.getTime();
+      validateTimeStampRange(timeValue);
+      return timeValue;
     } catch (ParseException e) {
-      throw new NumberFormatException(e.getMessage());
+      // If the parsing fails, try to parse again with setLenient to true if 
the property is set
+      if (CarbonProperties.getInstance().isSetLenientEnabled()) {
+        try {
+          dateFormatter.setLenient(true);
+          dateToStr = dateFormatter.parse(dimensionValue);
+          dateFormatter.setLenient(false);
+          timeValue = dateToStr.getTime();
+          validateTimeStampRange(timeValue);
+          LOGGER.info("Parsed data with lenience as true, setting back to 
default mode");
+          return timeValue;
+        } catch (ParseException ex) {
+          dateFormatter.setLenient(false);

Review comment:
       ok




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