From 882c70fac8f7730dd08ca174a6c2ecb98cbe64b6 Mon Sep 17 00:00:00 2001
From: zhtttylz <hualong.z@hotmail.com>
Date: Tue, 25 Nov 2025 23:45:04 +0800
Subject: [PATCH 1/2] HADOOP-19731. Fix SpotBugs warnings introduced after
 SpotBugs version upgrade.

---
 dev-support/findbugs-exclude-global.xml       | 56 +++++++++++++
 .../hadoop-cos/pom.xml                        |  8 +-
 .../hadoop-huaweicloud/pom.xml                |  8 +-
 .../hadoop-tos/pom.xml                        |  8 +-
 hadoop-common-project/hadoop-auth/pom.xml     |  6 +-
 hadoop-common-project/hadoop-kms/pom.xml      |  8 +-
 hadoop-common-project/hadoop-minikdc/pom.xml  |  8 +-
 hadoop-common-project/hadoop-nfs/pom.xml      |  8 +-
 hadoop-common-project/hadoop-registry/pom.xml |  7 +-
 .../hadoop-hdfs-httpfs/pom.xml                |  6 +-
 hadoop-hdfs-project/hadoop-hdfs-nfs/pom.xml   | 16 ++++
 .../dev-support/findbugs-exclude.xml          | 58 +++++++++++++-
 .../hadoop-mapreduce-client/pom.xml           |  6 +-
 .../dev-support/findbugs-exclude.xml          |  6 ++
 .../hadoop-mapreduce-examples/pom.xml         |  7 +-
 hadoop-mapreduce-project/pom.xml              |  6 +-
 hadoop-project-dist/pom.xml                   |  5 +-
 hadoop-project/pom.xml                        | 17 ++++
 hadoop-tools/hadoop-aliyun/pom.xml            |  8 +-
 hadoop-tools/hadoop-archive-logs/pom.xml      | 11 ++-
 hadoop-tools/hadoop-aws/pom.xml               |  8 +-
 hadoop-tools/hadoop-azure/pom.xml             |  8 +-
 hadoop-tools/hadoop-benchmark/pom.xml         |  6 +-
 hadoop-tools/hadoop-datajoin/pom.xml          |  8 +-
 hadoop-tools/hadoop-fs2img/pom.xml            |  6 +-
 hadoop-tools/hadoop-gcp/pom.xml               |  8 +-
 hadoop-tools/hadoop-gridmix/pom.xml           |  6 +-
 hadoop-tools/hadoop-rumen/pom.xml             |  6 +-
 hadoop-tools/hadoop-sls/pom.xml               |  6 +-
 hadoop-tools/hadoop-streaming/pom.xml         |  6 +-
 .../dev-support/findbugs-exclude.xml          | 80 +++++++++++++++++++
 hadoop-yarn-project/hadoop-yarn/pom.xml       |  6 +-
 32 files changed, 376 insertions(+), 41 deletions(-)
 create mode 100644 dev-support/findbugs-exclude-global.xml

diff --git a/dev-support/findbugs-exclude-global.xml b/dev-support/findbugs-exclude-global.xml
new file mode 100644
index 0000000000000..4f03aa1a744df
--- /dev/null
+++ b/dev-support/findbugs-exclude-global.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<FindBugsFilter>
+    <Match>
+        <Bug pattern="AT_NONATOMIC_64BIT_PRIMITIVE,
+                      AT_NONATOMIC_OPERATIONS_ON_SHARED_VARIABLE,
+                      AT_STALE_THREAD_WRITE_OF_PRIMITIVE"/>
+    </Match>
+    <Match>
+        <Bug pattern="CT_CONSTRUCTOR_THROW"/>
+    </Match>
+    <Match>
+        <Bug pattern="EI_EXPOSE_REP,EI_EXPOSE_REP2"/>
+    </Match>
+    <Match>
+        <Bug pattern="SING_SINGLETON_HAS_NONPRIVATE_CONSTRUCTOR"/>
+    </Match>
+    <Match>
+        <Bug pattern="SING_SINGLETON_IMPLEMENTS_SERIALIZABLE"/>
+    </Match>
+    <Match>
+        <Bug pattern="NN_NAKED_NOTIFY"/>
+    </Match>
+    <Match>
+        <Bug pattern="MS_EXPOSE_REP"/>
+    </Match>
+    <Match>
+        <Bug pattern="HSM_HIDING_METHOD"/>
+    </Match>
+    <Match>
+        <Bug pattern="DMI_RANDOM_USED_ONLY_ONCE"/>
+    </Match>
+    <Match>
+        <Bug pattern="DCN_NULLPOINTER_EXCEPTION"/>
+    </Match>
+    <Match>
+        <Bug pattern="SSD_DO_NOT_USE_INSTANCE_LOCK_ON_SHARED_STATIC_DATA"/>
+    </Match>
+    <Match>
+        <Bug pattern="ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD"/>
+    </Match>
+    <Match>
+        <Bug pattern="PA_PUBLIC_PRIMITIVE_ATTRIBUTE"/>
+    </Match>
+    <Match>
+        <Bug pattern="SS_SHOULD_BE_STATIC"/>
+    </Match>
+    <Match>
+        <Bug pattern="EQ_DOESNT_OVERRIDE_EQUALS"/>
+    </Match>
+    <Match>
+        <Bug pattern="REFLC_REFLECTION_MAY_INCREASE_ACCESSIBILITY_OF_CLASS"/>
+    </Match>
+    <Match>
+        <Bug pattern="SING_SINGLETON_GETTER_NOT_SYNCHRONIZED"/>
+    </Match>
+</FindBugsFilter>
diff --git a/hadoop-cloud-storage-project/hadoop-cos/pom.xml b/hadoop-cloud-storage-project/hadoop-cos/pom.xml
index 4c1456cd95f70..db90751d171b8 100644
--- a/hadoop-cloud-storage-project/hadoop-cos/pom.xml
+++ b/hadoop-cloud-storage-project/hadoop-cos/pom.xml
@@ -69,8 +69,12 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
-          </excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
+            </excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-cloud-storage-project/hadoop-huaweicloud/pom.xml b/hadoop-cloud-storage-project/hadoop-huaweicloud/pom.xml
index d00dc1f22c704..f9b832182598b 100755
--- a/hadoop-cloud-storage-project/hadoop-huaweicloud/pom.xml
+++ b/hadoop-cloud-storage-project/hadoop-huaweicloud/pom.xml
@@ -64,8 +64,12 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
-          </excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
+            </excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-cloud-storage-project/hadoop-tos/pom.xml b/hadoop-cloud-storage-project/hadoop-tos/pom.xml
index 4495189da8fba..c0562a3b4ba2c 100644
--- a/hadoop-cloud-storage-project/hadoop-tos/pom.xml
+++ b/hadoop-cloud-storage-project/hadoop-tos/pom.xml
@@ -174,8 +174,12 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
-          </excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
+            </excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-common-project/hadoop-auth/pom.xml b/hadoop-common-project/hadoop-auth/pom.xml
index eafc3fd5fa7ad..d9695c7aef497 100644
--- a/hadoop-common-project/hadoop-auth/pom.xml
+++ b/hadoop-common-project/hadoop-auth/pom.xml
@@ -267,7 +267,11 @@
         <groupId>com.github.spotbugs</groupId>
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
-          <excludeFilterFile>${basedir}/dev-support/findbugsExcludeFile.xml</excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugsExcludeFile.xml</excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
         </configuration>
       </plugin>
     </plugins>
diff --git a/hadoop-common-project/hadoop-kms/pom.xml b/hadoop-common-project/hadoop-kms/pom.xml
index abd4391d7c3c3..7b6975fc24f4f 100644
--- a/hadoop-common-project/hadoop-kms/pom.xml
+++ b/hadoop-common-project/hadoop-kms/pom.xml
@@ -244,8 +244,12 @@
         <groupId>com.github.spotbugs</groupId>
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
-          <excludeFilterFile>${basedir}/dev-support/findbugsExcludeFile.xml
-          </excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugsExcludeFile.xml
+            </excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
         </configuration>
       </plugin>
     </plugins>
diff --git a/hadoop-common-project/hadoop-minikdc/pom.xml b/hadoop-common-project/hadoop-minikdc/pom.xml
index ab314f9b7562c..e69107c2613c7 100644
--- a/hadoop-common-project/hadoop-minikdc/pom.xml
+++ b/hadoop-common-project/hadoop-minikdc/pom.xml
@@ -76,8 +76,12 @@
         <groupId>com.github.spotbugs</groupId>
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
-          <excludeFilterFile>${basedir}/dev-support/findbugsExcludeFile.xml
-          </excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugsExcludeFile.xml
+            </excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
         </configuration>
       </plugin>
     </plugins>
diff --git a/hadoop-common-project/hadoop-nfs/pom.xml b/hadoop-common-project/hadoop-nfs/pom.xml
index c7e57bf6c925d..bc72f7fea1195 100644
--- a/hadoop-common-project/hadoop-nfs/pom.xml
+++ b/hadoop-common-project/hadoop-nfs/pom.xml
@@ -125,8 +125,12 @@
         <groupId>com.github.spotbugs</groupId>
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
-          <excludeFilterFile>${basedir}/dev-support/findbugsExcludeFile.xml
-          </excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugsExcludeFile.xml
+            </excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
         </configuration>
       </plugin>
     </plugins>
diff --git a/hadoop-common-project/hadoop-registry/pom.xml b/hadoop-common-project/hadoop-registry/pom.xml
index 35485304220bd..45bdacd4c0917 100644
--- a/hadoop-common-project/hadoop-registry/pom.xml
+++ b/hadoop-common-project/hadoop-registry/pom.xml
@@ -193,7 +193,12 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${project.basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${project.basedir}/dev-support/findbugs-exclude.xml
+            </excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-hdfs-project/hadoop-hdfs-httpfs/pom.xml b/hadoop-hdfs-project/hadoop-hdfs-httpfs/pom.xml
index f5b647f927db7..161eb06f25b47 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-httpfs/pom.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs-httpfs/pom.xml
@@ -365,7 +365,11 @@
         <groupId>com.github.spotbugs</groupId>
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
-          <excludeFilterFile>${basedir}/dev-support/findbugsExcludeFile.xml</excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugsExcludeFile.xml</excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
         </configuration>
       </plugin>
     </plugins>
diff --git a/hadoop-hdfs-project/hadoop-hdfs-nfs/pom.xml b/hadoop-hdfs-project/hadoop-hdfs-nfs/pom.xml
index 6989bbe9ae84b..4051e06bc5856 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-nfs/pom.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs-nfs/pom.xml
@@ -239,4 +239,20 @@ https://maven.apache.org/xsd/maven-4.0.0.xsd">
     </profile>
   </profiles>
 
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>com.github.spotbugs</groupId>
+        <artifactId>spotbugs-maven-plugin</artifactId>
+        <configuration>
+          <excludeFilterFiles>
+            <excludeFilterFile>
+              ${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
 </project>
diff --git a/hadoop-mapreduce-project/dev-support/findbugs-exclude.xml b/hadoop-mapreduce-project/dev-support/findbugs-exclude.xml
index 8631ebba575c2..029389f9bc1e9 100644
--- a/hadoop-mapreduce-project/dev-support/findbugs-exclude.xml
+++ b/hadoop-mapreduce-project/dev-support/findbugs-exclude.xml
@@ -401,7 +401,7 @@
       <Bug pattern="ICAST_QUESTIONABLE_UNSIGNED_RIGHT_SHIFT" />
      </Match>
 
-     <!-- 
+     <!--
 	   False positive of FindBugs complaining that initializationPoller and
 	   started were accessed through
 	   CapacitySchedulerQueueRefresher.refreshQueues without explicitly holding
@@ -409,7 +409,7 @@
 	   JobTracker prior to calling QueueManager.refereshQueues - this is
 	   necessary to ensure the order of locking (TaskScheduler ->
 	   QueueManager).
-     --> 
+     -->
     <Match>
        <Class name="org.apache.hadoop.mapred.CapacityTaskScheduler" />
        <Field name="initializationPoller" />
@@ -554,4 +554,58 @@
     <Method name="onSuccess" />
     <Bug pattern="NP_PARAMETER_MUST_BE_NONNULL_BUT_MARKED_AS_NULLABLE" />
   </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.mapreduce.v2.util.MRApps" />
+    <Method name="setupDistributedCacheLocal" />
+    <Bug pattern="ENV_USE_PROPERTY_INSTEAD_OF_ENV" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.mapreduce.jobhistory.JobSubmitted" />
+    <Method name="customDecode" />
+    <Bug pattern="SF_SWITCH_FALLTHROUGH" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.mapreduce.jobhistory.MapAttemptFinished" />
+    <Method name="customDecode" />
+    <Bug pattern="SF_SWITCH_FALLTHROUGH" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.mapreduce.jobhistory.ReduceAttemptFinished" />
+    <Method name="customDecode" />
+    <Bug pattern="SF_SWITCH_FALLTHROUGH" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.mapreduce.jobhistory.TaskAttemptUnsuccessfulCompletion" />
+    <Method name="customDecode" />
+    <Bug pattern="SF_SWITCH_FALLTHROUGH" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.mapreduce.util.ProcessTree" />
+    <Method name="isSetsidSupported" />
+    <Bug pattern="NP_NULL_ON_SOME_PATH_EXCEPTION" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.mapreduce.util.ProcessTree" />
+    <Method name="isProcessGroupAlive" />
+    <Bug pattern="NP_NULL_ON_SOME_PATH_EXCEPTION" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat" />
+    <Method name="getSplits" />
+    <Bug pattern="OBL_UNSATISFIED_OBLIGATION_EXCEPTION_EDGE" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator" />
+    <Field name="containersReleased" />
+    <Bug pattern="IS2_INCONSISTENT_SYNC" />
+  </Match>
  </FindBugsFilter>
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/pom.xml b/hadoop-mapreduce-project/hadoop-mapreduce-client/pom.xml
index 10c4f3ca97aa6..f236c8770d360 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/pom.xml
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/pom.xml
@@ -179,7 +179,11 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
          <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${mr.basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+           <excludeFilterFiles>
+             <excludeFilterFile>${mr.basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+             <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+             </excludeFilterFile>
+           </excludeFilterFiles>
           <effort>Max</effort>
        </configuration>
      </plugin>
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-examples/dev-support/findbugs-exclude.xml b/hadoop-mapreduce-project/hadoop-mapreduce-examples/dev-support/findbugs-exclude.xml
index 1215a3ef181aa..18f2006999329 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-examples/dev-support/findbugs-exclude.xml
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-examples/dev-support/findbugs-exclude.xml
@@ -36,6 +36,12 @@
     <Bug pattern="OBL_UNSATISFIED_OBLIGATION" />
   </Match>
 
+  <Match>
+    <Class name="org.apache.hadoop.examples.DBCountPageView" />
+    <Method name="verify" />
+    <Bug pattern="OBL_UNSATISFIED_OBLIGATION_EXCEPTION_EDGE" />
+  </Match>
+
  <!-- Ignore the irrelevant closure warnings-->
   <Match>
     <Class name="org.apache.hadoop.examples.dancing.Pentomino$Piece" />
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-examples/pom.xml b/hadoop-mapreduce-project/hadoop-mapreduce-examples/pom.xml
index 39e32a8c95840..856b7aec6d5be 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-examples/pom.xml
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-examples/pom.xml
@@ -165,7 +165,12 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
          <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${mr.examples.basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+           <excludeFilterFiles>
+             <excludeFilterFile>${mr.examples.basedir}/dev-support/findbugs-exclude.xml
+             </excludeFilterFile>
+             <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+             </excludeFilterFile>
+           </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-mapreduce-project/pom.xml b/hadoop-mapreduce-project/pom.xml
index 968527039bd86..05504891b4df4 100644
--- a/hadoop-mapreduce-project/pom.xml
+++ b/hadoop-mapreduce-project/pom.xml
@@ -126,7 +126,11 @@
           <artifactId>spotbugs-maven-plugin</artifactId>
           <configuration>
             <xmlOutput>true</xmlOutput>
-            <excludeFilterFile>${mr.basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+            <excludeFilterFiles>
+              <excludeFilterFile>${mr.basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+              <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+              </excludeFilterFile>
+            </excludeFilterFiles>
             <effort>Max</effort>
           </configuration>
        </plugin>
diff --git a/hadoop-project-dist/pom.xml b/hadoop-project-dist/pom.xml
index ee636129bddd2..68d29e84fbf02 100644
--- a/hadoop-project-dist/pom.xml
+++ b/hadoop-project-dist/pom.xml
@@ -92,7 +92,10 @@
         <groupId>com.github.spotbugs</groupId>
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
-          <excludeFilterFile>${basedir}/dev-support/findbugsExcludeFile.xml</excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugsExcludeFile.xml</excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml</excludeFilterFile>
+          </excludeFilterFiles>
           <maxHeap>2048</maxHeap>
         </configuration>
       </plugin>
diff --git a/hadoop-project/pom.xml b/hadoop-project/pom.xml
index f913e14d2e273..8b65b09e0a12d 100644
--- a/hadoop-project/pom.xml
+++ b/hadoop-project/pom.xml
@@ -2633,6 +2633,23 @@
         <groupId>com.google.code.maven-replacer-plugin</groupId>
         <artifactId>replacer</artifactId>
       </plugin>
+      <plugin>
+        <groupId>org.commonjava.maven.plugins</groupId>
+        <artifactId>directory-maven-plugin</artifactId>
+        <version>1.0</version>
+        <executions>
+          <execution>
+            <id>calc-repo-root</id>
+            <goals>
+              <goal>highest-basedir</goal>
+            </goals>
+            <phase>initialize</phase>
+            <configuration>
+              <property>repo.root</property>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
   </build>
 
diff --git a/hadoop-tools/hadoop-aliyun/pom.xml b/hadoop-tools/hadoop-aliyun/pom.xml
index 273391cee497f..2a141985a85d7 100644
--- a/hadoop-tools/hadoop-aliyun/pom.xml
+++ b/hadoop-tools/hadoop-aliyun/pom.xml
@@ -62,8 +62,12 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
-          </excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
+            </excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-tools/hadoop-archive-logs/pom.xml b/hadoop-tools/hadoop-archive-logs/pom.xml
index 702759a783035..a39f763fda453 100644
--- a/hadoop-tools/hadoop-archive-logs/pom.xml
+++ b/hadoop-tools/hadoop-archive-logs/pom.xml
@@ -214,9 +214,14 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>
-            ${basedir}/dev-support/findbugs-exclude.xml
-          </excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>
+              ${basedir}/dev-support/findbugs-exclude.xml
+            </excludeFilterFile>
+            <excludeFilterFile>
+              ${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-tools/hadoop-aws/pom.xml b/hadoop-tools/hadoop-aws/pom.xml
index 3a0c0f53cf56f..ecd7afe271560 100644
--- a/hadoop-tools/hadoop-aws/pom.xml
+++ b/hadoop-tools/hadoop-aws/pom.xml
@@ -329,8 +329,12 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
-          </excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
+            </excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-tools/hadoop-azure/pom.xml b/hadoop-tools/hadoop-azure/pom.xml
index bc853eb8c251c..d0bfc6852befe 100644
--- a/hadoop-tools/hadoop-azure/pom.xml
+++ b/hadoop-tools/hadoop-azure/pom.xml
@@ -56,8 +56,12 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
-          </excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
+            </excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-tools/hadoop-benchmark/pom.xml b/hadoop-tools/hadoop-benchmark/pom.xml
index eb30ea621ca6f..b109787beb974 100644
--- a/hadoop-tools/hadoop-benchmark/pom.xml
+++ b/hadoop-tools/hadoop-benchmark/pom.xml
@@ -75,7 +75,11 @@
         <groupId>com.github.spotbugs</groupId>
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
-          <excludeFilterFile>${basedir}/src/main/findbugs/exclude.xml</excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/src/main/findbugs/exclude.xml</excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
         </configuration>
       </plugin>
       <plugin>
diff --git a/hadoop-tools/hadoop-datajoin/pom.xml b/hadoop-tools/hadoop-datajoin/pom.xml
index 1b6b6f1800599..a1f9b1bd0914c 100644
--- a/hadoop-tools/hadoop-datajoin/pom.xml
+++ b/hadoop-tools/hadoop-datajoin/pom.xml
@@ -133,8 +133,12 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
-          </excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
+            </excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-tools/hadoop-fs2img/pom.xml b/hadoop-tools/hadoop-fs2img/pom.xml
index 33280e68b90f1..b9ae088e9a07e 100644
--- a/hadoop-tools/hadoop-fs2img/pom.xml
+++ b/hadoop-tools/hadoop-fs2img/pom.xml
@@ -112,7 +112,11 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-tools/hadoop-gcp/pom.xml b/hadoop-tools/hadoop-gcp/pom.xml
index 934bc13da937e..d8b1c007efeff 100644
--- a/hadoop-tools/hadoop-gcp/pom.xml
+++ b/hadoop-tools/hadoop-gcp/pom.xml
@@ -368,8 +368,12 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
-          </excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
+            </excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-tools/hadoop-gridmix/pom.xml b/hadoop-tools/hadoop-gridmix/pom.xml
index 81f336805850e..4b943398f6135 100644
--- a/hadoop-tools/hadoop-gridmix/pom.xml
+++ b/hadoop-tools/hadoop-gridmix/pom.xml
@@ -148,7 +148,11 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
          <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+           <excludeFilterFiles>
+             <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+             <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+             </excludeFilterFile>
+           </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-tools/hadoop-rumen/pom.xml b/hadoop-tools/hadoop-rumen/pom.xml
index 5ba323d6bb380..b453b17c1a0a5 100644
--- a/hadoop-tools/hadoop-rumen/pom.xml
+++ b/hadoop-tools/hadoop-rumen/pom.xml
@@ -127,7 +127,11 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
          <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+           <excludeFilterFiles>
+             <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+             <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+             </excludeFilterFile>
+           </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-tools/hadoop-sls/pom.xml b/hadoop-tools/hadoop-sls/pom.xml
index a822372bd005d..00e7e64b08f0c 100644
--- a/hadoop-tools/hadoop-sls/pom.xml
+++ b/hadoop-tools/hadoop-sls/pom.xml
@@ -137,7 +137,11 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+          <excludeFilterFiles>
+            <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+            <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+            </excludeFilterFile>
+          </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-tools/hadoop-streaming/pom.xml b/hadoop-tools/hadoop-streaming/pom.xml
index 7c2b48accb6a5..a638bc1337dd9 100644
--- a/hadoop-tools/hadoop-streaming/pom.xml
+++ b/hadoop-tools/hadoop-streaming/pom.xml
@@ -154,7 +154,11 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
          <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+           <excludeFilterFiles>
+             <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+             <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+             </excludeFilterFile>
+           </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>
diff --git a/hadoop-yarn-project/hadoop-yarn/dev-support/findbugs-exclude.xml b/hadoop-yarn-project/hadoop-yarn/dev-support/findbugs-exclude.xml
index b98ac0bd921b2..81db83645e723 100644
--- a/hadoop-yarn-project/hadoop-yarn/dev-support/findbugs-exclude.xml
+++ b/hadoop-yarn-project/hadoop-yarn/dev-support/findbugs-exclude.xml
@@ -726,4 +726,84 @@
     <Package name="org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.placement.schema" />
   </Match>
 
+  <!-- Ignore String == comparison in RMAdminCLI help builders -->
+  <Match>
+    <Class name="org.apache.hadoop.yarn.client.cli.RMAdminCLI" />
+    <Or>
+      <Method name="buildHelpMsg" />
+      <Method name="buildIndividualUsageMsg" />
+    </Or>
+    <Bug pattern="ES_COMPARING_STRINGS_WITH_EQ" />
+  </Match>
+
+  <!-- Ignore EI_EXPOSE_STATIC_REP2 for RMDelegationTokenIdentifier.Renewer#setSecretManager -->
+  <Match>
+    <Class name="org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier$Renewer" />
+    <Method name="setSecretManager" />
+    <Bug pattern="EI_EXPOSE_STATIC_REP2" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.yarn.server.federation.cache.FederationCache$CacheRequest" />
+    <Bug pattern="SIC_INNER_SHOULD_BE_STATIC" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.yarn.server.sharedcachemanager.webapp.SCMWebServer$SCMWebApp" />
+    <Bug pattern="SIC_INNER_SHOULD_BE_STATIC" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.yarn.server.security.BaseContainerTokenSecretManager" />
+    <Field name="currentMasterKey" />
+    <Bug pattern="NP_UNWRITTEN_PUBLIC_OR_PROTECTED_FIELD" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.yarn.server.security.BaseNMTokenSecretManager" />
+    <Field name="currentMasterKey" />
+    <Bug pattern="NP_UNWRITTEN_PUBLIC_OR_PROTECTED_FIELD" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.yarn.server.security.http.RMAuthenticationFilter" />
+    <Method name="setDelegationTokenSecretManager" />
+    <Bug pattern="EI_EXPOSE_STATIC_REP2" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.yarn.server.timeline.security.TimelineAuthenticationFilter" />
+    <Method name="setTimelineDelegationTokenSecretManager" />
+    <Bug pattern="EI_EXPOSE_STATIC_REP2" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.yarn.server.nodemanager.webapp.ContainerShellWebSocket" />
+    <Method name="init" />
+    <Bug pattern="EI_EXPOSE_STATIC_REP2" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch$UnixShellScriptBuilder" />
+    <Method name="errorCheck" />
+    <Bug pattern="UPM_UNCALLED_PRIVATE_METHOD" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$PublicLocalizer" />
+    <Method name="run" />
+    <Bug pattern="NP_NULL_ON_SOME_PATH_EXCEPTION" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.yarn.server.nodemanager.containermanager.resourceplugin.gpu.NvidiaDockerV2CommandPlugin" />
+    <Method name="updateDockerRunCommand" />
+    <Bug pattern="SBSC_USE_STRINGBUFFER_CONCATENATION" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.WeightQueueCapacityCalculator" />
+    <Method name="calculateMinimumResource" />
+    <Bug pattern="FE_FLOATING_POINT_EQUALITY" />
+  </Match>
 </FindBugsFilter>
diff --git a/hadoop-yarn-project/hadoop-yarn/pom.xml b/hadoop-yarn-project/hadoop-yarn/pom.xml
index cc02b6213f938..db4a50542fde5 100644
--- a/hadoop-yarn-project/hadoop-yarn/pom.xml
+++ b/hadoop-yarn-project/hadoop-yarn/pom.xml
@@ -44,7 +44,11 @@
         <artifactId>spotbugs-maven-plugin</artifactId>
          <configuration>
           <xmlOutput>true</xmlOutput>
-          <excludeFilterFile>${yarn.basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+           <excludeFilterFiles>
+             <excludeFilterFile>${yarn.basedir}/dev-support/findbugs-exclude.xml</excludeFilterFile>
+             <excludeFilterFile>${repo.root}/dev-support/findbugs-exclude-global.xml
+             </excludeFilterFile>
+           </excludeFilterFiles>
           <effort>Max</effort>
         </configuration>
       </plugin>

From a076fdacb7eee524059945f9b795bfbb7999866a Mon Sep 17 00:00:00 2001
From: zhtttylz <hualong.z@hotmail.com>
Date: Sun, 30 Nov 2025 19:25:30 +0800
Subject: [PATCH 2/2] Add ASF license header to findbugs-exclude-global.xml

---
 dev-support/findbugs-exclude-global.xml | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/dev-support/findbugs-exclude-global.xml b/dev-support/findbugs-exclude-global.xml
index 4f03aa1a744df..82ff69a451aeb 100644
--- a/dev-support/findbugs-exclude-global.xml
+++ b/dev-support/findbugs-exclude-global.xml
@@ -1,4 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. See accompanying LICENSE file.
+-->
 <FindBugsFilter>
     <Match>
         <Bug pattern="AT_NONATOMIC_64BIT_PRIMITIVE,