apache · hemanthumashankar0511 · Feb 9, 2026 · Feb 9, 2026 · Feb 9, 2026 · Feb 10, 2026
diff --git a/beeline/pom.xml b/beeline/pom.xml
@@ -125,7 +125,7 @@
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
-      <artifactId>log4j-slf4j-impl</artifactId>
+      <artifactId>log4j-slf4j2-impl</artifactId>
     </dependency>
     <!-- test intra-project -->
     <dependency>

diff --git a/beeline/src/main/resources/beeline-log4j2.properties b/beeline/src/main/resources/beeline-log4j2.properties
@@ -15,6 +15,7 @@
 # limitations under the License.
 
 name = BeelineLog4j2
+monitorInterval = 30
 
 # list of properties
 property.hive.log.level = WARN

diff --git a/bin/ext/util/execHiveCmd.sh b/bin/ext/util/execHiveCmd.sh
@@ -42,6 +42,55 @@ execHiveCmd () {
     HIVE_LIB=`cygpath -w "$HIVE_LIB"`
   fi
 
+  # For services that may encounter SLF4J conflicts (schemaTool, beeline),
+  # filter out old SLF4J 1.x jars from HADOOP_CLASSPATH to prevent binding conflicts
+  if [[ "$SERVICE" =~ ^(schemaTool|beeline)$ ]]; then
+    echo "DEBUG: Starting SLF4J conflict check for SERVICE=$SERVICE"
+    echo "DEBUG: HIVE_CONF_DIR=$HIVE_CONF_DIR"
+    echo "DEBUG: HIVE_HOME=$HIVE_HOME"
+    echo "DEBUG: Initial HADOOP_CLIENT_OPTS=$HADOOP_CLIENT_OPTS"
+
+    # Force Log4j2 to use the fresh config from the build, ignoring stale /etc/hive path
+    # This ensures monitorInterval=30 is actually applied even when /etc/hive exists
+    if [ -f "${HIVE_CONF_DIR}/hive-log4j2.properties" ]; then
+      echo "DEBUG: Found config in HIVE_CONF_DIR"
+      export HADOOP_CLIENT_OPTS="$HADOOP_CLIENT_OPTS -Dlog4j2.configurationFile=file://${HIVE_CONF_DIR}/hive-log4j2.properties"
+    elif [ -f "${HIVE_HOME}/conf/hive-log4j2.properties" ]; then
+      echo "DEBUG: Found config in HIVE_HOME/conf"
+      export HADOOP_CLIENT_OPTS="$HADOOP_CLIENT_OPTS -Dlog4j2.configurationFile=file://${HIVE_HOME}/conf/hive-log4j2.properties"
+    else
+      echo "DEBUG: No local hive-log4j2.properties found"
+    fi
+
+    echo "DEBUG: Final HADOOP_CLIENT_OPTS=$HADOOP_CLIENT_OPTS"
+
+    # Filter HADOOP_CLASSPATH to remove paths with old SLF4J/log4j bindings
+    if [ "$HADOOP_CLASSPATH" != "" ]; then
+      FILTERED_CP=""
+      IFS=':' read -ra CP_ARRAY <<< "$HADOOP_CLASSPATH"
+      for cp_entry in "${CP_ARRAY[@]}"; do
+        # Skip wildcard paths pointing to Tez/Hadoop lib directories that contain old SLF4J
+        # This prevents slf4j-log4j12-1.7.x from being loaded alongside slf4j-api-2.0.x
+        if [[ "$cp_entry" == */tez*/lib/* || "$cp_entry" == */tez*/* ]] && [[ "$cp_entry" == *"*"* ]]; then
+          continue
+        fi
+        if [[ "$cp_entry" == */hadoop*/lib/* ]] && [[ "$cp_entry" == *"*"* ]]; then
+          continue
+        fi
+        # Skip explicit SLF4J 1.x jar paths
+        if [[ "$cp_entry" == *slf4j-log4j12* || "$cp_entry" == *slf4j-reload4j* ]]; then
+          continue
+        fi
+        if [ "$FILTERED_CP" == "" ]; then
+          FILTERED_CP="$cp_entry"
+        else
+          FILTERED_CP="${FILTERED_CP}:${cp_entry}"
+        fi
+      done
+      export HADOOP_CLASSPATH="$FILTERED_CP"
+    fi
+  fi
+
   # hadoop 20 or newer - skip the aux_jars option. picked up from hiveconf
   exec $HADOOP jar ${HIVE_LIB}/$JAR $CLASS $HIVE_OPTS "$@"
 }
diff --git a/bin/schematool b/bin/schematool
diff --git a/common/pom.xml b/common/pom.xml
@@ -124,7 +124,7 @@
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
-      <artifactId>log4j-slf4j-impl</artifactId>
+      <artifactId>log4j-slf4j2-impl</artifactId>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>

diff --git a/common/src/main/resources/hive-log4j2.properties b/common/src/main/resources/hive-log4j2.properties
@@ -15,6 +15,7 @@
 # limitations under the License.
 
 name = HiveLog4j2
+monitorInterval = 30
 
 # list of properties
 property.hive.log.level = INFO

diff --git a/data/conf/hive-log4j2.properties b/data/conf/hive-log4j2.properties
@@ -15,6 +15,7 @@
 # limitations under the License.
 
 name = HiveLog4j2Test
+monitorInterval = 30
 
 # list of properties
 property.hive.log.level = DEBUG

diff --git a/druid-handler/pom.xml b/druid-handler/pom.xml
@@ -106,6 +106,10 @@
           <groupId>com.fasterxml.jackson.core</groupId>
           <artifactId>jackson-databind</artifactId>
         </exclusion>
+        <exclusion>
+          <groupId>org.apache.logging.log4j</groupId>
+          <artifactId>log4j-slf4j-impl</artifactId>
+        </exclusion>
         <exclusion>
           <groupId>org.apache.druid</groupId>
           <artifactId>druid-aws-common</artifactId>

diff --git a/jdbc-handler/pom.xml b/jdbc-handler/pom.xml
@@ -130,11 +130,5 @@
       <version>${h2database.version}</version>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.slf4j</groupId>
-      <artifactId>slf4j-simple</artifactId>
-      <version>${slf4j.version}</version>
-      <scope>test</scope>
-    </dependency>
   </dependencies>
 </project>
diff --git a/kudu-handler/pom.xml b/kudu-handler/pom.xml
@@ -112,6 +112,12 @@
       <artifactId>kudu-test-utils</artifactId>
       <version>${kudu.version}</version>
       <scope>test</scope>
+      <exclusions>
+        <exclusion>
+          <groupId>org.apache.logging.log4j</groupId>
+          <artifactId>log4j-slf4j-impl</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
   </dependencies>
   <build>

diff --git a/llap-server/pom.xml b/llap-server/pom.xml
@@ -350,6 +350,10 @@
         </exclusion>
       </exclusions>
     </dependency>
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-slf4j2-impl</artifactId>
+    </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core-test</artifactId>

diff --git a/llap-server/src/java/org/apache/hadoop/hive/llap/daemon/impl/QueryTracker.java b/llap-server/src/java/org/apache/hadoop/hive/llap/daemon/impl/QueryTracker.java
@@ -29,7 +29,6 @@
 import org.apache.hadoop.security.Credentials;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.token.Token;
-import org.apache.logging.slf4j.Log4jMarker;
 import org.apache.tez.common.CallableWithNdc;
 
 import org.apache.hadoop.service.AbstractService;
@@ -50,7 +49,7 @@
 import org.slf4j.LoggerFactory;
 import org.slf4j.MDC;
 import org.slf4j.Marker;
-import org.slf4j.impl.StaticMarkerBinder;
+import org.slf4j.MarkerFactory;
 
 import java.io.IOException;
 import java.util.Collections;
@@ -71,7 +70,7 @@ public class QueryTracker extends AbstractService {
 
   private static final Logger LOG = LoggerFactory.getLogger(QueryTracker.class);
   private static final Marker QUERY_COMPLETE_MARKER =
-      new Log4jMarker(StaticMarkerBinder.getSingleton().getMarkerFactory(), new Log4jQueryCompleteMarker());
+      MarkerFactory.getMarker(Log4jQueryCompleteMarker.EOF_MARKER);
 
   /// Shared singleton MetricsSource instance for all DAG locks
   private static final MetricsSource LOCK_METRICS;

diff --git a/packaging/pom.xml b/packaging/pom.xml
@@ -276,6 +276,16 @@
       <groupId>org.apache.hive</groupId>
       <artifactId>hive-common</artifactId>
       <version>${project.version}</version>
+      <exclusions>
+        <exclusion>
+          <groupId>org.slf4j</groupId>
+          <artifactId>slf4j-log4j12</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.apache.logging.log4j</groupId>
+          <artifactId>log4j-slf4j-impl</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
     <dependency>
       <groupId>org.apache.hive</groupId>
@@ -296,6 +306,16 @@
       <groupId>org.apache.hive</groupId>
       <artifactId>hive-exec</artifactId>
       <version>${project.version}</version>
+      <exclusions>
+        <exclusion>
+          <groupId>org.slf4j</groupId>
+          <artifactId>slf4j-log4j12</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.apache.logging.log4j</groupId>
+          <artifactId>log4j-slf4j-impl</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
     <dependency>
       <groupId>org.apache.hive</groupId>

diff --git a/packaging/src/docker/conf/hive-log4j2.properties b/packaging/src/docker/conf/hive-log4j2.properties
@@ -15,6 +15,7 @@
 # limitations under the License.
 
 name = HiveLog4j2
+monitorInterval = 30
 
 # list of properties
 property.hive.log.level = INFO

diff --git a/pom.xml b/pom.xml
@@ -204,7 +204,7 @@
     <rat.version>0.16.1</rat.version>
     <roaringbit.version>1.3.0</roaringbit.version>
     <stax.version>1.0.1</stax.version>
-    <slf4j.version>1.7.30</slf4j.version>
+    <slf4j.version>2.0.13</slf4j.version>
     <ST4.version>4.0.4</ST4.version>
     <storage-api.version>4.3.0-SNAPSHOT</storage-api.version>
     <tez.version>0.10.5</tez.version>
@@ -494,7 +494,7 @@
       </dependency>
       <dependency>
         <groupId>org.apache.logging.log4j</groupId>
-        <artifactId>log4j-slf4j-impl</artifactId>
+        <artifactId>log4j-slf4j2-impl</artifactId>
         <version>${log4j2.version}</version>
       </dependency>
       <dependency>
@@ -654,6 +654,17 @@
           </exclusion>
         </exclusions>
       </dependency>
+      <dependency>
+        <groupId>org.apache.hive</groupId>
+        <artifactId>hive-exec</artifactId>
+        <version>${project.version}</version>
+        <exclusions>
+          <exclusion>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+          </exclusion>
+        </exclusions>
+      </dependency>
       <dependency>
         <groupId>org.apache.hive</groupId>
         <artifactId>hive-storage-api</artifactId>
@@ -924,6 +935,11 @@
         <artifactId>slf4j-api</artifactId>
         <version>${slf4j.version}</version>
       </dependency>
+      <dependency>
+        <groupId>org.slf4j</groupId>
+        <artifactId>jcl-over-slf4j</artifactId>
+        <version>2.0.13</version>
+      </dependency>
       <dependency>
         <groupId>xerces</groupId>
         <artifactId>xercesImpl</artifactId>
@@ -972,6 +988,14 @@
         <artifactId>hadoop-common</artifactId>
         <version>${hadoop.version}</version>
         <exclusions>
+          <exclusion>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j2-impl</artifactId>
+          </exclusion>
+          <exclusion>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+          </exclusion>
           <exclusion>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
@@ -1321,6 +1345,12 @@
         <groupId>org.apache.tez</groupId>
         <artifactId>tez-runtime-internals</artifactId>
         <version>${tez.version}</version>
+        <exclusions>
+          <exclusion>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-reload4j</artifactId>
+          </exclusion>
+        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.tez</groupId>
@@ -1492,9 +1522,19 @@
   <dependencies>
     <!-- dependencies are always listed in sorted order by groupId, artifactId -->
     <!-- global dependencies -->
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-slf4j2-impl</artifactId>
+    </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-api</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>org.apache.logging.log4j</groupId>
+          <artifactId>log4j-slf4j2-impl</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
   </dependencies>
   <build>

diff --git a/ql/pom.xml b/ql/pom.xml
@@ -228,7 +228,7 @@
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
-      <artifactId>log4j-slf4j-impl</artifactId>
+      <artifactId>log4j-slf4j2-impl</artifactId>
     </dependency>
     <dependency>
       <groupId>org.antlr</groupId>

diff --git a/ql/src/main/resources/hive-exec-log4j2.properties b/ql/src/main/resources/hive-exec-log4j2.properties
@@ -15,6 +15,7 @@
 # limitations under the License.
 
 name = HiveExecLog4j2
+monitorInterval = 30
 
 # list of properties
 property.hive.log.level = INFO

diff --git a/ql/src/main/resources/tez-container-log4j2.properties b/ql/src/main/resources/tez-container-log4j2.properties
@@ -15,6 +15,7 @@
 # limitations under the License.
 
 name = TezContainerLog4j2
+monitorInterval = 30
 
 # list of properties
 property.tez.container.log.level = INFO

diff --git a/serde/pom.xml b/serde/pom.xml
@@ -224,12 +224,6 @@
         </exclusion>
       </exclusions>
     </dependency>
-    <dependency>
-      <groupId>org.slf4j</groupId>
-      <artifactId>slf4j-simple</artifactId>
-      <version>${slf4j.version}</version>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>com.esri.geometry</groupId>
       <artifactId>esri-geometry-api</artifactId>

diff --git a/standalone-metastore/metastore-common/pom.xml b/standalone-metastore/metastore-common/pom.xml
@@ -330,11 +330,6 @@
       <version>${mockito-core.version}</version>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.slf4j</groupId>
-      <artifactId>slf4j-simple</artifactId>
-      <scope>test</scope>
-    </dependency>
   </dependencies>
   <profiles>
     <profile>

diff --git a/standalone-metastore/metastore-server/pom.xml b/standalone-metastore/metastore-server/pom.xml
@@ -63,12 +63,6 @@
     <dependency>
       <groupId>org.apache.datasketches</groupId>
       <artifactId>datasketches-hive</artifactId>
-      <exclusions>
-        <exclusion>
-          <groupId>org.slf4j</groupId>
-          <artifactId>slf4j-simple</artifactId>
-        </exclusion>
-      </exclusions>
     </dependency>
     <dependency>
       <groupId>org.reflections</groupId>
@@ -270,7 +264,7 @@
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
-      <artifactId>log4j-slf4j-impl</artifactId>
+      <artifactId>log4j-slf4j2-impl</artifactId>
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>

diff --git a/standalone-metastore/metastore-server/src/main/resources/metastore-log4j2.properties b/standalone-metastore/metastore-server/src/main/resources/metastore-log4j2.properties
@@ -15,6 +15,7 @@
 # limitations under the License.
 
 name = MetastoreLog4j2
+monitorInterval = 30
 
 # list of properties
 property.metastore.log.level = INFO

diff --git a/standalone-metastore/metastore-tools/metastore-benchmarks/pom.xml b/standalone-metastore/metastore-tools/metastore-benchmarks/pom.xml
@@ -81,7 +81,7 @@
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
-      <artifactId>log4j-slf4j-impl</artifactId>
+      <artifactId>log4j-slf4j2-impl</artifactId>
     </dependency>
     <!-- https://mvnrepository.com/artifact/org.jetbrains/annotations -->
     <dependency>