From 1c926cf20e0bc8bb160a622d743d2a73dcd95a54 Mon Sep 17 00:00:00 2001
From: cambyzhu <cambyzhu@tencent.com>
Date: Wed, 22 Oct 2025 17:02:54 +0800
Subject: [PATCH 1/2] fix be jni read on cosn failed

---
 fe/be-java-extensions/preload-extensions/pom.xml | 10 ++++++++--
 fe/fe-core/pom.xml                               |  1 -
 fe/pom.xml                                       |  2 ++
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/fe/be-java-extensions/preload-extensions/pom.xml b/fe/be-java-extensions/preload-extensions/pom.xml
index 077459d816fba8..2f0bcc2d2c31f3 100644
--- a/fe/be-java-extensions/preload-extensions/pom.xml
+++ b/fe/be-java-extensions/preload-extensions/pom.xml
@@ -190,9 +190,15 @@ under the License.
         </dependency>
         <!-- For BE CosN Access -->
         <dependency>
-            <groupId>org.apache.hadoop</groupId>
+            <groupId>com.qcloud.cos</groupId>
             <artifactId>hadoop-cos</artifactId>
-            <version>3.3.5</version>
+            <version>${tencentcos.version}</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.json</groupId>
+                    <artifactId>json</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <!-- For BE Paimon OSS/S3 Access -->
         <dependency>
diff --git a/fe/fe-core/pom.xml b/fe/fe-core/pom.xml
index 144115657cf6cf..bb9851528201c9 100644
--- a/fe/fe-core/pom.xml
+++ b/fe/fe-core/pom.xml
@@ -33,7 +33,6 @@ under the License.
         <doris.thirdparty>${basedir}/../../thirdparty</doris.thirdparty>
         <fe_ut_parallel>1</fe_ut_parallel>
         <huaweiobs.version>3.1.1-hw-46</huaweiobs.version>
-        <tencentcos.version>8.2.7</tencentcos.version>
     </properties>
     <profiles>
         <profile>
diff --git a/fe/pom.xml b/fe/pom.xml
index b168cf8bd88c7f..770aae622961f3 100644
--- a/fe/pom.xml
+++ b/fe/pom.xml
@@ -368,6 +368,8 @@ under the License.
         <aircompressor.version>0.27</aircompressor.version>
         <!-- paimon -->
         <paimon.version>1.1.1</paimon.version>
+        <!-- tencent cosn -->
+        <tencentcos.version>8.2.7</tencentcos.version>
         <disruptor.version>3.4.4</disruptor.version>
         <!-- arrow flight sql -->
         <arrow.vector.classifier>shade-format-flatbuffers</arrow.vector.classifier>

From b504cf73953d9588eeab57fbb4a8d76f9b7e48ae Mon Sep 17 00:00:00 2001
From: cambyzhu <cambyzhu@tencent.com>
Date: Wed, 22 Oct 2025 18:48:38 +0800
Subject: [PATCH 2/2] add regression test

---
 .../data/external_table_p0/paimon/paimon_base_filesystem.out   | 3 +++
 .../external_table_p0/paimon/paimon_base_filesystem.groovy     | 3 +--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/regression-test/data/external_table_p0/paimon/paimon_base_filesystem.out b/regression-test/data/external_table_p0/paimon/paimon_base_filesystem.out
index 6ce16ab2a38a2d..a77c3b47f73023 100644
--- a/regression-test/data/external_table_p0/paimon/paimon_base_filesystem.out
+++ b/regression-test/data/external_table_p0/paimon/paimon_base_filesystem.out
@@ -20,3 +20,6 @@
 -- !cos --
 1	2	3	4	5	6	7	8	9.1	10.1	11.10	2020-02-02	13str	14varchar	a	true	aaaa	2023-08-13T09:32:38.530
 
+-- !cosn --
+1	2	3	4	5	6	7	8	9.1	10.1	11.10	2020-02-02	13str	14varchar	a	true	aaaa	2023-08-13T09:32:38.530
+
diff --git a/regression-test/suites/external_table_p0/paimon/paimon_base_filesystem.groovy b/regression-test/suites/external_table_p0/paimon/paimon_base_filesystem.groovy
index 42d764dcddd282..79364f8fa4b8d3 100644
--- a/regression-test/suites/external_table_p0/paimon/paimon_base_filesystem.groovy
+++ b/regression-test/suites/external_table_p0/paimon/paimon_base_filesystem.groovy
@@ -155,8 +155,7 @@ suite("paimon_base_filesystem", "p0,external,doris,external_docker,external_dock
         qt_oss oss
         qt_obs obs
         qt_cos cos
-        // java.lang.ClassNotFoundException: Class org.apache.hadoop.fs.CosFileSystem not found
-        // qt_cosn cosn
+        qt_cosn cosn
 
     } finally {
         sql """set force_jni_scanner=false"""