417675894 commented on code in PR #7727:
URL: https://github.com/apache/seatunnel/pull/7727#discussion_r1772403874


##########
seatunnel-connectors-v2/connector-cdc/connector-cdc-base/src/main/java/org/apache/seatunnel/connectors/cdc/base/source/enumerator/splitter/AbstractJdbcSourceChunkSplitter.java:
##########
@@ -406,7 +406,7 @@ protected Column getSplitColumn(
                         uniqueKey.getColumnNames();
                 for (ConstraintKey.ConstraintKeyColumn uniqueKeyColumn : 
uniqueKeyColumns) {
                     Column column = 
table.columnWithName(uniqueKeyColumn.getColumnName());
-                    if (isEvenlySplitColumn(column)) {
+                    if (column != null && isEvenlySplitColumn(column)) {

Review Comment:
   Non-null validation 



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