From 32934393cefc6227adb172192807a0aa0b3afe19 Mon Sep 17 00:00:00 2001
From: hiliuxg <39675622+hiliuxg@users.noreply.github.com>
Date: Tue, 14 Jan 2025 11:50:49 +0800
Subject: [PATCH] [FLINK-36985][pipeline-connector/paimon] Tolerante
 ColumnAlreadyExistException when apply AddColumnEvent in paimon

This closes  #3828.
---
 .../cdc/connectors/paimon/sink/PaimonMetadataApplier.java   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/src/main/java/org/apache/flink/cdc/connectors/paimon/sink/PaimonMetadataApplier.java b/flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/src/main/java/org/apache/flink/cdc/connectors/paimon/sink/PaimonMetadataApplier.java
index 928e7b6df..ec8a06d6d 100644
--- a/flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/src/main/java/org/apache/flink/cdc/connectors/paimon/sink/PaimonMetadataApplier.java
+++ b/flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/src/main/java/org/apache/flink/cdc/connectors/paimon/sink/PaimonMetadataApplier.java
@@ -201,7 +201,11 @@ public class PaimonMetadataApplier implements MetadataApplier {
         } catch (Catalog.TableNotExistException
                 | Catalog.ColumnAlreadyExistException
                 | Catalog.ColumnNotExistException e) {
-            throw new SchemaEvolveException(event, e.getMessage(), e);
+            if (e instanceof Catalog.ColumnAlreadyExistException) {
+                LOG.warn("{}, skip it.", e.getMessage());
+            } else {
+                throw new SchemaEvolveException(event, e.getMessage(), e);
+            }
         }
     }