diff --git a/other/java/client/pom.xml b/other/java/client/pom.xml
index 3c983f9e5..7e5c3f732 100644
--- a/other/java/client/pom.xml
+++ b/other/java/client/pom.xml
@@ -3,15 +3,32 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>com.github.chrislusf</groupId>
+    <groupId>com.seaweedfs</groupId>
     <artifactId>seaweedfs-client</artifactId>
     <version>3.71</version>
 
-    <parent>
-        <groupId>org.sonatype.oss</groupId>
-        <artifactId>oss-parent</artifactId>
-        <version>9</version>
-    </parent>
+    <name>SeaweedFS Java Client</name>
+    <description>A java client for SeaweedFS.</description>
+    <url>https://github.com/seaweedfs/seaweedfs</url>
+    <licenses>
+        <license>
+            <name>The Apache License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+        </license>
+    </licenses>
+    <developers>
+        <developer>
+            <name>Chris Lu</name>
+            <email>chris.lu@gmail.com</email>
+            <organization>SeaweedFS</organization>
+            <organizationUrl>https://seaweedfs.com</organizationUrl>
+        </developer>
+    </developers>
+    <scm>
+        <connection>scm:git:git://github.com/seaweedfs/seaweedfs.git</connection>
+        <developerConnection>scm:git:ssh://github.com:seaweedfs/seaweedfs.git</developerConnection>
+        <url>https://github.com/seaweedfs/seaweedfs/tree/master</url>
+    </scm>
 
     <properties>
         <protobuf.version>3.16.3</protobuf.version>
@@ -75,12 +92,6 @@
         </dependency>
     </dependencies>
 
-    <distributionManagement>
-        <snapshotRepository>
-            <id>ossrh</id>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-        </snapshotRepository>
-    </distributionManagement>
     <build>
         <extensions>
             <extension>
@@ -134,14 +145,13 @@
                 </executions>
             </plugin>
             <plugin>
-                <groupId>org.sonatype.plugins</groupId>
-                <artifactId>nexus-staging-maven-plugin</artifactId>
-                <version>1.6.8</version>
+                <groupId>org.sonatype.central</groupId>
+                <artifactId>central-publishing-maven-plugin</artifactId>
+                <version>0.5.0</version>
                 <extensions>true</extensions>
                 <configuration>
-                    <serverId>ossrh</serverId>
-                    <nexusUrl>https://oss.sonatype.org/</nexusUrl>
-                    <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                    <publishingServerId>central</publishingServerId>
+                    <autoPublish>true</autoPublish>
                 </configuration>
             </plugin>
             <plugin>
diff --git a/other/java/client/pom.xml.deploy b/other/java/client/pom.xml.deploy
index cf98f2467..7e5c3f732 100644
--- a/other/java/client/pom.xml.deploy
+++ b/other/java/client/pom.xml.deploy
@@ -3,21 +3,38 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>com.github.chrislusf</groupId>
+    <groupId>com.seaweedfs</groupId>
     <artifactId>seaweedfs-client</artifactId>
     <version>3.71</version>
 
-    <parent>
-        <groupId>org.sonatype.oss</groupId>
-        <artifactId>oss-parent</artifactId>
-        <version>9</version>
-    </parent>
+    <name>SeaweedFS Java Client</name>
+    <description>A java client for SeaweedFS.</description>
+    <url>https://github.com/seaweedfs/seaweedfs</url>
+    <licenses>
+        <license>
+            <name>The Apache License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+        </license>
+    </licenses>
+    <developers>
+        <developer>
+            <name>Chris Lu</name>
+            <email>chris.lu@gmail.com</email>
+            <organization>SeaweedFS</organization>
+            <organizationUrl>https://seaweedfs.com</organizationUrl>
+        </developer>
+    </developers>
+    <scm>
+        <connection>scm:git:git://github.com/seaweedfs/seaweedfs.git</connection>
+        <developerConnection>scm:git:ssh://github.com:seaweedfs/seaweedfs.git</developerConnection>
+        <url>https://github.com/seaweedfs/seaweedfs/tree/master</url>
+    </scm>
 
     <properties>
-        <protobuf.version>3.9.1</protobuf.version>
+        <protobuf.version>3.16.3</protobuf.version>
         <!-- follow https://github.com/grpc/grpc-java -->
-        <grpc.version>1.23.0</grpc.version>
-        <guava.version>28.0-jre</guava.version>
+        <grpc.version>1.53.0</grpc.version>
+        <guava.version>32.0.0-jre</guava.version>
     </properties>
 
     <dependencies>
@@ -65,17 +82,16 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>javax.annotation</groupId>
+            <artifactId>javax.annotation-api</artifactId>
+            <version>1.3.2</version>
+        </dependency>
     </dependencies>
 
-    <distributionManagement>
-        <snapshotRepository>
-            <id>ossrh</id>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-        </snapshotRepository>
-    </distributionManagement>
     <build>
         <extensions>
             <extension>
@@ -129,14 +145,13 @@
                 </executions>
             </plugin>
             <plugin>
-                <groupId>org.sonatype.plugins</groupId>
-                <artifactId>nexus-staging-maven-plugin</artifactId>
-                <version>1.6.8</version>
+                <groupId>org.sonatype.central</groupId>
+                <artifactId>central-publishing-maven-plugin</artifactId>
+                <version>0.5.0</version>
                 <extensions>true</extensions>
                 <configuration>
-                    <serverId>ossrh</serverId>
-                    <nexusUrl>https://oss.sonatype.org/</nexusUrl>
-                    <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                    <publishingServerId>central</publishingServerId>
+                    <autoPublish>true</autoPublish>
                 </configuration>
             </plugin>
             <plugin>
diff --git a/other/java/client/pom_debug.xml b/other/java/client/pom_debug.xml
index b2386e019..f6751512f 100644
--- a/other/java/client/pom_debug.xml
+++ b/other/java/client/pom_debug.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>com.github.chrislusf</groupId>
+    <groupId>com.seaweedfs</groupId>
     <artifactId>seaweedfs-client</artifactId>
     <version>3.71</version>
 
diff --git a/other/java/examples/pom.xml b/other/java/examples/pom.xml
index b3fc1c024..534febb6e 100644
--- a/other/java/examples/pom.xml
+++ b/other/java/examples/pom.xml
@@ -9,13 +9,13 @@
     <version>1.0-SNAPSHOT</version>
     <dependencies>
         <dependency>
-            <groupId>com.github.chrislusf</groupId>
+            <groupId>com.seaweedfs</groupId>
             <artifactId>seaweedfs-client</artifactId>
             <version>3.71</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
-            <groupId>com.github.chrislusf</groupId>
+            <groupId>com.seaweedfs</groupId>
             <artifactId>seaweedfs-hadoop2-client</artifactId>
             <version>3.71</version>
             <scope>compile</scope>
diff --git a/other/java/hdfs-over-ftp/pom.xml b/other/java/hdfs-over-ftp/pom.xml
index 5e82dfc63..6cf1c86ea 100644
--- a/other/java/hdfs-over-ftp/pom.xml
+++ b/other/java/hdfs-over-ftp/pom.xml
@@ -49,7 +49,7 @@
             <version>1.1.1</version>
         </dependency>
         <dependency>
-            <groupId>com.github.chrislusf</groupId>
+            <groupId>com.seaweedfs</groupId>
             <artifactId>seaweedfs-hadoop3-client</artifactId>
             <version>1.6.2</version>
         </dependency>
@@ -117,4 +117,4 @@
         </plugins>
     </build>
 
-</project>
\ No newline at end of file
+</project>
diff --git a/other/java/hdfs2/dependency-reduced-pom.xml b/other/java/hdfs2/dependency-reduced-pom.xml
index fb44ffdc3..bba755a11 100644
--- a/other/java/hdfs2/dependency-reduced-pom.xml
+++ b/other/java/hdfs2/dependency-reduced-pom.xml
@@ -1,15 +1,31 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-  <parent>
-    <artifactId>oss-parent</artifactId>
-    <groupId>org.sonatype.oss</groupId>
-    <version>9</version>
-    <relativePath>../pom.xml/pom.xml</relativePath>
-  </parent>
   <modelVersion>4.0.0</modelVersion>
-  <groupId>com.github.chrislusf</groupId>
+  <groupId>com.seaweedfs</groupId>
   <artifactId>seaweedfs-hadoop2-client</artifactId>
+  <name>SeaweedFS HDFS2 Client</name>
   <version>${seaweedfs.client.version}</version>
+  <description>A java client for SeaweedFS.</description>
+  <url>https://github.com/seaweedfs/seaweedfs</url>
+  <developers>
+    <developer>
+      <name>Chris Lu</name>
+      <email>chris.lu@gmail.com</email>
+      <organization>SeaweedFS</organization>
+      <organizationUrl>https://seaweedfs.com</organizationUrl>
+    </developer>
+  </developers>
+  <licenses>
+    <license>
+      <name>The Apache License, Version 2.0</name>
+      <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+    </license>
+  </licenses>
+  <scm>
+    <connection>scm:git:git://github.com/seaweedfs/seaweedfs.git</connection>
+    <developerConnection>scm:git:ssh://github.com:seaweedfs/seaweedfs.git</developerConnection>
+    <url>https://github.com/seaweedfs/seaweedfs/tree/master</url>
+  </scm>
   <build>
     <plugins>
       <plugin>
@@ -85,14 +101,13 @@
         </executions>
       </plugin>
       <plugin>
-        <groupId>org.sonatype.plugins</groupId>
-        <artifactId>nexus-staging-maven-plugin</artifactId>
-        <version>1.6.8</version>
+        <groupId>org.sonatype.central</groupId>
+        <artifactId>central-publishing-maven-plugin</artifactId>
+        <version>0.5.0</version>
         <extensions>true</extensions>
         <configuration>
-          <serverId>ossrh</serverId>
-          <nexusUrl>https://oss.sonatype.org/</nexusUrl>
-          <autoReleaseAfterClose>true</autoReleaseAfterClose>
+          <publishingServerId>central</publishingServerId>
+          <autoPublish>true</autoPublish>
         </configuration>
       </plugin>
       <plugin>
@@ -311,12 +326,6 @@
       </exclusions>
     </dependency>
   </dependencies>
-  <distributionManagement>
-    <snapshotRepository>
-      <id>ossrh</id>
-      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-    </snapshotRepository>
-  </distributionManagement>
   <properties>
     <seaweedfs.client.version>3.71</seaweedfs.client.version>
     <hadoop.version>3.2.4</hadoop.version>
diff --git a/other/java/hdfs2/pom.xml b/other/java/hdfs2/pom.xml
index baa889c65..e3aa2ab44 100644
--- a/other/java/hdfs2/pom.xml
+++ b/other/java/hdfs2/pom.xml
@@ -9,22 +9,33 @@
         <hadoop.version>3.2.4</hadoop.version>
     </properties>
 
-    <groupId>com.github.chrislusf</groupId>
+    <groupId>com.seaweedfs</groupId>
     <artifactId>seaweedfs-hadoop2-client</artifactId>
     <version>${seaweedfs.client.version}</version>
 
-    <parent>
-        <groupId>org.sonatype.oss</groupId>
-        <artifactId>oss-parent</artifactId>
-        <version>9</version>
-    </parent>
+    <name>SeaweedFS HDFS2 Client</name>
+    <description>A java client for SeaweedFS.</description>
+    <url>https://github.com/seaweedfs/seaweedfs</url>
+    <licenses>
+        <license>
+            <name>The Apache License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+        </license>
+    </licenses>
+    <developers>
+        <developer>
+            <name>Chris Lu</name>
+            <email>chris.lu@gmail.com</email>
+            <organization>SeaweedFS</organization>
+            <organizationUrl>https://seaweedfs.com</organizationUrl>
+        </developer>
+    </developers>
+    <scm>
+        <connection>scm:git:git://github.com/seaweedfs/seaweedfs.git</connection>
+        <developerConnection>scm:git:ssh://github.com:seaweedfs/seaweedfs.git</developerConnection>
+        <url>https://github.com/seaweedfs/seaweedfs/tree/master</url>
+    </scm>
 
-    <distributionManagement>
-        <snapshotRepository>
-            <id>ossrh</id>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-        </snapshotRepository>
-    </distributionManagement>
     <build>
         <plugins>
             <plugin>
@@ -104,14 +115,13 @@
                 </executions>
             </plugin>
             <plugin>
-                <groupId>org.sonatype.plugins</groupId>
-                <artifactId>nexus-staging-maven-plugin</artifactId>
-                <version>1.6.8</version>
+                <groupId>org.sonatype.central</groupId>
+                <artifactId>central-publishing-maven-plugin</artifactId>
+                <version>0.5.0</version>
                 <extensions>true</extensions>
                 <configuration>
-                    <serverId>ossrh</serverId>
-                    <nexusUrl>https://oss.sonatype.org/</nexusUrl>
-                    <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                    <publishingServerId>central</publishingServerId>
+                    <autoPublish>true</autoPublish>
                 </configuration>
             </plugin>
             <plugin>
@@ -151,7 +161,7 @@
             <scope>provided</scope>
         </dependency>
         <dependency>
-            <groupId>com.github.chrislusf</groupId>
+            <groupId>com.seaweedfs</groupId>
             <artifactId>seaweedfs-client</artifactId>
             <version>${seaweedfs.client.version}</version>
         </dependency>
diff --git a/other/java/hdfs3/dependency-reduced-pom.xml b/other/java/hdfs3/dependency-reduced-pom.xml
index 877948e56..dddf529dc 100644
--- a/other/java/hdfs3/dependency-reduced-pom.xml
+++ b/other/java/hdfs3/dependency-reduced-pom.xml
@@ -1,15 +1,31 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-  <parent>
-    <artifactId>oss-parent</artifactId>
-    <groupId>org.sonatype.oss</groupId>
-    <version>9</version>
-    <relativePath>../pom.xml/pom.xml</relativePath>
-  </parent>
   <modelVersion>4.0.0</modelVersion>
-  <groupId>com.github.chrislusf</groupId>
+  <groupId>com.seaweedfs</groupId>
   <artifactId>seaweedfs-hadoop3-client</artifactId>
+  <name>SeaweedFS HDFS3 Client</name>
   <version>${seaweedfs.client.version}</version>
+  <description>A java client for SeaweedFS.</description>
+  <url>https://github.com/seaweedfs/seaweedfs</url>
+  <developers>
+    <developer>
+      <name>Chris Lu</name>
+      <email>chris.lu@gmail.com</email>
+      <organization>SeaweedFS</organization>
+      <organizationUrl>https://seaweedfs.com</organizationUrl>
+    </developer>
+  </developers>
+  <licenses>
+    <license>
+      <name>The Apache License, Version 2.0</name>
+      <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+    </license>
+  </licenses>
+  <scm>
+    <connection>scm:git:git://github.com/seaweedfs/seaweedfs.git</connection>
+    <developerConnection>scm:git:ssh://github.com:seaweedfs/seaweedfs.git</developerConnection>
+    <url>https://github.com/seaweedfs/seaweedfs/tree/master</url>
+  </scm>
   <build>
     <plugins>
       <plugin>
@@ -85,14 +101,13 @@
         </executions>
       </plugin>
       <plugin>
-        <groupId>org.sonatype.plugins</groupId>
-        <artifactId>nexus-staging-maven-plugin</artifactId>
-        <version>1.6.8</version>
+        <groupId>org.sonatype.central</groupId>
+        <artifactId>central-publishing-maven-plugin</artifactId>
+        <version>0.5.0</version>
         <extensions>true</extensions>
         <configuration>
-          <serverId>ossrh</serverId>
-          <nexusUrl>https://oss.sonatype.org/</nexusUrl>
-          <autoReleaseAfterClose>true</autoReleaseAfterClose>
+          <publishingServerId>central</publishingServerId>
+          <autoPublish>true</autoPublish>
         </configuration>
       </plugin>
       <plugin>
@@ -311,12 +326,6 @@
       </exclusions>
     </dependency>
   </dependencies>
-  <distributionManagement>
-    <snapshotRepository>
-      <id>ossrh</id>
-      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-    </snapshotRepository>
-  </distributionManagement>
   <properties>
     <seaweedfs.client.version>3.71</seaweedfs.client.version>
     <hadoop.version>3.2.4</hadoop.version>
diff --git a/other/java/hdfs3/pom.xml b/other/java/hdfs3/pom.xml
index 09b990839..067d649ff 100644
--- a/other/java/hdfs3/pom.xml
+++ b/other/java/hdfs3/pom.xml
@@ -9,22 +9,33 @@
         <hadoop.version>3.2.4</hadoop.version>
     </properties>
 
-    <groupId>com.github.chrislusf</groupId>
+    <groupId>com.seaweedfs</groupId>
     <artifactId>seaweedfs-hadoop3-client</artifactId>
     <version>${seaweedfs.client.version}</version>
 
-    <parent>
-        <groupId>org.sonatype.oss</groupId>
-        <artifactId>oss-parent</artifactId>
-        <version>9</version>
-    </parent>
+    <name>SeaweedFS HDFS3 Client</name>
+    <description>A java client for SeaweedFS.</description>
+    <url>https://github.com/seaweedfs/seaweedfs</url>
+    <licenses>
+        <license>
+            <name>The Apache License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+        </license>
+    </licenses>
+    <developers>
+        <developer>
+            <name>Chris Lu</name>
+            <email>chris.lu@gmail.com</email>
+            <organization>SeaweedFS</organization>
+            <organizationUrl>https://seaweedfs.com</organizationUrl>
+        </developer>
+    </developers>
+    <scm>
+        <connection>scm:git:git://github.com/seaweedfs/seaweedfs.git</connection>
+        <developerConnection>scm:git:ssh://github.com:seaweedfs/seaweedfs.git</developerConnection>
+        <url>https://github.com/seaweedfs/seaweedfs/tree/master</url>
+    </scm>
 
-    <distributionManagement>
-        <snapshotRepository>
-            <id>ossrh</id>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-        </snapshotRepository>
-    </distributionManagement>
     <build>
         <plugins>
             <plugin>
@@ -104,14 +115,13 @@
                 </executions>
             </plugin>
             <plugin>
-                <groupId>org.sonatype.plugins</groupId>
-                <artifactId>nexus-staging-maven-plugin</artifactId>
-                <version>1.6.8</version>
+                <groupId>org.sonatype.central</groupId>
+                <artifactId>central-publishing-maven-plugin</artifactId>
+                <version>0.5.0</version>
                 <extensions>true</extensions>
                 <configuration>
-                    <serverId>ossrh</serverId>
-                    <nexusUrl>https://oss.sonatype.org/</nexusUrl>
-                    <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                    <publishingServerId>central</publishingServerId>
+                    <autoPublish>true</autoPublish>
                 </configuration>
             </plugin>
             <plugin>
@@ -151,7 +161,7 @@
             <scope>provided</scope>
         </dependency>
         <dependency>
-            <groupId>com.github.chrislusf</groupId>
+            <groupId>com.seaweedfs</groupId>
             <artifactId>seaweedfs-client</artifactId>
             <version>${seaweedfs.client.version}</version>
         </dependency>