diff --git a/other/java/client/pom.xml b/other/java/client/pom.xml
index 221de5f8f..81c58f9c0 100644
--- a/other/java/client/pom.xml
+++ b/other/java/client/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.github.chrislusf</groupId>
     <artifactId>seaweedfs-client</artifactId>
-    <version>3.13</version>
+    <version>3.30</version>
 
     <parent>
         <groupId>org.sonatype.oss</groupId>
@@ -159,7 +159,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
+                <version>3.0.1</version>
                 <executions>
                     <execution>
                         <id>attach-javadocs</id>
diff --git a/other/java/client/pom.xml.deploy b/other/java/client/pom.xml.deploy
index e3239de0e..4b661c6cd 100644
--- a/other/java/client/pom.xml.deploy
+++ b/other/java/client/pom.xml.deploy
@@ -5,7 +5,7 @@
 
     <groupId>com.github.chrislusf</groupId>
     <artifactId>seaweedfs-client</artifactId>
-    <version>3.13</version>
+    <version>3.30</version>
 
     <parent>
         <groupId>org.sonatype.oss</groupId>
@@ -154,7 +154,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
+                <version>3.0.1</version>
                 <executions>
                     <execution>
                         <id>attach-javadocs</id>
diff --git a/other/java/client/pom_debug.xml b/other/java/client/pom_debug.xml
index dade66f7b..091271503 100644
--- a/other/java/client/pom_debug.xml
+++ b/other/java/client/pom_debug.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.github.chrislusf</groupId>
     <artifactId>seaweedfs-client</artifactId>
-    <version>3.13</version>
+    <version>3.30</version>
 
     <parent>
         <groupId>org.sonatype.oss</groupId>
@@ -128,7 +128,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
+                <version>3.0.1</version>
                 <executions>
                     <execution>
                         <id>attach-javadocs</id>
diff --git a/other/java/examples/pom.xml b/other/java/examples/pom.xml
index 7a5994072..3f5ef1cc3 100644
--- a/other/java/examples/pom.xml
+++ b/other/java/examples/pom.xml
@@ -11,13 +11,13 @@
         <dependency>
             <groupId>com.github.chrislusf</groupId>
             <artifactId>seaweedfs-client</artifactId>
-            <version>3.13</version>
+            <version>3.30</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>com.github.chrislusf</groupId>
             <artifactId>seaweedfs-hadoop2-client</artifactId>
-            <version>3.13</version>
+            <version>3.30</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
diff --git a/other/java/hdfs2/dependency-reduced-pom.xml b/other/java/hdfs2/dependency-reduced-pom.xml
index a5dedc27a..3ee5034d0 100644
--- a/other/java/hdfs2/dependency-reduced-pom.xml
+++ b/other/java/hdfs2/dependency-reduced-pom.xml
@@ -108,7 +108,7 @@
       </plugin>
       <plugin>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>2.9.1</version>
+        <version>3.0.1</version>
         <executions>
           <execution>
             <id>attach-javadocs</id>
@@ -124,7 +124,7 @@
     <dependency>
       <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-client</artifactId>
-      <version>2.10.1</version>
+      <version>3.2.4</version>
       <scope>provided</scope>
       <exclusions>
         <exclusion>
@@ -132,11 +132,11 @@
           <groupId>org.apache.hadoop</groupId>
         </exclusion>
         <exclusion>
-          <artifactId>hadoop-mapreduce-client-app</artifactId>
+          <artifactId>hadoop-yarn-api</artifactId>
           <groupId>org.apache.hadoop</groupId>
         </exclusion>
         <exclusion>
-          <artifactId>hadoop-yarn-api</artifactId>
+          <artifactId>hadoop-yarn-client</artifactId>
           <groupId>org.apache.hadoop</groupId>
         </exclusion>
         <exclusion>
@@ -156,7 +156,7 @@
     <dependency>
       <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-common</artifactId>
-      <version>2.10.1</version>
+      <version>3.2.4</version>
       <scope>provided</scope>
       <exclusions>
         <exclusion>
@@ -167,10 +167,6 @@
           <artifactId>commons-math3</artifactId>
           <groupId>org.apache.commons</groupId>
         </exclusion>
-        <exclusion>
-          <artifactId>xmlenc</artifactId>
-          <groupId>xmlenc</groupId>
-        </exclusion>
         <exclusion>
           <artifactId>commons-io</artifactId>
           <groupId>commons-io</groupId>
@@ -184,20 +180,28 @@
           <groupId>commons-collections</groupId>
         </exclusion>
         <exclusion>
-          <artifactId>servlet-api</artifactId>
+          <artifactId>javax.servlet-api</artifactId>
           <groupId>javax.servlet</groupId>
         </exclusion>
         <exclusion>
-          <artifactId>jetty</artifactId>
-          <groupId>org.mortbay.jetty</groupId>
+          <artifactId>javax.activation-api</artifactId>
+          <groupId>javax.activation</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>jetty-server</artifactId>
+          <groupId>org.eclipse.jetty</groupId>
         </exclusion>
         <exclusion>
           <artifactId>jetty-util</artifactId>
-          <groupId>org.mortbay.jetty</groupId>
+          <groupId>org.eclipse.jetty</groupId>
         </exclusion>
         <exclusion>
-          <artifactId>jetty-sslengine</artifactId>
-          <groupId>org.mortbay.jetty</groupId>
+          <artifactId>jetty-servlet</artifactId>
+          <groupId>org.eclipse.jetty</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>jetty-webapp</artifactId>
+          <groupId>org.eclipse.jetty</groupId>
         </exclusion>
         <exclusion>
           <artifactId>jsp-api</artifactId>
@@ -207,6 +211,10 @@
           <artifactId>jersey-core</artifactId>
           <groupId>com.sun.jersey</groupId>
         </exclusion>
+        <exclusion>
+          <artifactId>jersey-servlet</artifactId>
+          <groupId>com.sun.jersey</groupId>
+        </exclusion>
         <exclusion>
           <artifactId>jersey-json</artifactId>
           <groupId>com.sun.jersey</groupId>
@@ -216,49 +224,37 @@
           <groupId>com.sun.jersey</groupId>
         </exclusion>
         <exclusion>
-          <artifactId>log4j</artifactId>
-          <groupId>log4j</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>jets3t</artifactId>
-          <groupId>net.java.dev.jets3t</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>commons-lang</artifactId>
-          <groupId>commons-lang</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>commons-configuration</artifactId>
-          <groupId>commons-configuration</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>commons-digester</artifactId>
-          <groupId>commons-digester</groupId>
+          <artifactId>reload4j</artifactId>
+          <groupId>ch.qos.reload4j</groupId>
         </exclusion>
         <exclusion>
           <artifactId>commons-beanutils</artifactId>
           <groupId>commons-beanutils</groupId>
         </exclusion>
+        <exclusion>
+          <artifactId>commons-configuration2</artifactId>
+          <groupId>org.apache.commons</groupId>
+        </exclusion>
         <exclusion>
           <artifactId>commons-lang3</artifactId>
           <groupId>org.apache.commons</groupId>
         </exclusion>
         <exclusion>
-          <artifactId>slf4j-log4j12</artifactId>
+          <artifactId>commons-text</artifactId>
+          <groupId>org.apache.commons</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>slf4j-reload4j</artifactId>
           <groupId>org.slf4j</groupId>
         </exclusion>
-        <exclusion>
-          <artifactId>jackson-core-asl</artifactId>
-          <groupId>org.codehaus.jackson</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>jackson-mapper-asl</artifactId>
-          <groupId>org.codehaus.jackson</groupId>
-        </exclusion>
         <exclusion>
           <artifactId>avro</artifactId>
           <groupId>org.apache.avro</groupId>
         </exclusion>
+        <exclusion>
+          <artifactId>re2j</artifactId>
+          <groupId>com.google.re2j</groupId>
+        </exclusion>
         <exclusion>
           <artifactId>hadoop-auth</artifactId>
           <groupId>org.apache.hadoop</groupId>
@@ -287,6 +283,14 @@
           <artifactId>commons-compress</artifactId>
           <groupId>org.apache.commons</groupId>
         </exclusion>
+        <exclusion>
+          <artifactId>kerb-simplekdc</artifactId>
+          <groupId>org.apache.kerby</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>jackson-databind</artifactId>
+          <groupId>com.fasterxml.jackson.core</groupId>
+        </exclusion>
         <exclusion>
           <artifactId>stax2-api</artifactId>
           <groupId>org.codehaus.woodstox</groupId>
@@ -295,6 +299,10 @@
           <artifactId>woodstox-core</artifactId>
           <groupId>com.fasterxml.woodstox</groupId>
         </exclusion>
+        <exclusion>
+          <artifactId>dnsjava</artifactId>
+          <groupId>dnsjava</groupId>
+        </exclusion>
         <exclusion>
           <artifactId>hadoop-annotations</artifactId>
           <groupId>org.apache.hadoop</groupId>
@@ -309,7 +317,7 @@
     </snapshotRepository>
   </distributionManagement>
   <properties>
-    <seaweedfs.client.version>3.13</seaweedfs.client.version>
-    <hadoop.version>2.10.1</hadoop.version>
+    <seaweedfs.client.version>3.30</seaweedfs.client.version>
+    <hadoop.version>3.2.4</hadoop.version>
   </properties>
 </project>
diff --git a/other/java/hdfs2/pom.xml b/other/java/hdfs2/pom.xml
index 1e26cf96d..8bbd4c99e 100644
--- a/other/java/hdfs2/pom.xml
+++ b/other/java/hdfs2/pom.xml
@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <properties>
-        <seaweedfs.client.version>3.13</seaweedfs.client.version>
+        <seaweedfs.client.version>3.30</seaweedfs.client.version>
         <hadoop.version>3.2.4</hadoop.version>
     </properties>
 
@@ -129,7 +129,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
+                <version>3.0.1</version>
                 <executions>
                     <execution>
                         <id>attach-javadocs</id>
diff --git a/other/java/hdfs3/dependency-reduced-pom.xml b/other/java/hdfs3/dependency-reduced-pom.xml
index 066687017..33d548ac9 100644
--- a/other/java/hdfs3/dependency-reduced-pom.xml
+++ b/other/java/hdfs3/dependency-reduced-pom.xml
@@ -108,7 +108,7 @@
       </plugin>
       <plugin>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>2.9.1</version>
+        <version>3.0.1</version>
         <executions>
           <execution>
             <id>attach-javadocs</id>
@@ -124,7 +124,7 @@
     <dependency>
       <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-client</artifactId>
-      <version>3.2.3</version>
+      <version>3.2.4</version>
       <scope>provided</scope>
       <exclusions>
         <exclusion>
@@ -156,7 +156,7 @@
     <dependency>
       <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-common</artifactId>
-      <version>3.2.3</version>
+      <version>3.2.4</version>
       <scope>provided</scope>
       <exclusions>
         <exclusion>
@@ -224,8 +224,8 @@
           <groupId>com.sun.jersey</groupId>
         </exclusion>
         <exclusion>
-          <artifactId>log4j</artifactId>
-          <groupId>log4j</groupId>
+          <artifactId>reload4j</artifactId>
+          <groupId>ch.qos.reload4j</groupId>
         </exclusion>
         <exclusion>
           <artifactId>commons-beanutils</artifactId>
@@ -244,7 +244,7 @@
           <groupId>org.apache.commons</groupId>
         </exclusion>
         <exclusion>
-          <artifactId>slf4j-log4j12</artifactId>
+          <artifactId>slf4j-reload4j</artifactId>
           <groupId>org.slf4j</groupId>
         </exclusion>
         <exclusion>
@@ -317,7 +317,7 @@
     </snapshotRepository>
   </distributionManagement>
   <properties>
-    <seaweedfs.client.version>3.13</seaweedfs.client.version>
-    <hadoop.version>3.2.3</hadoop.version>
+    <seaweedfs.client.version>3.30</seaweedfs.client.version>
+    <hadoop.version>3.2.4</hadoop.version>
   </properties>
 </project>
diff --git a/other/java/hdfs3/pom.xml b/other/java/hdfs3/pom.xml
index 8352a4dc7..0dd08412f 100644
--- a/other/java/hdfs3/pom.xml
+++ b/other/java/hdfs3/pom.xml
@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <properties>
-        <seaweedfs.client.version>3.13</seaweedfs.client.version>
+        <seaweedfs.client.version>3.30</seaweedfs.client.version>
         <hadoop.version>3.2.4</hadoop.version>
     </properties>
 
@@ -129,7 +129,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
+                <version>3.0.1</version>
                 <executions>
                     <execution>
                         <id>attach-javadocs</id>