diff --git a/common/springext/src/main/java/com/alibaba/citrus/springext/export/SchemaExporter.java b/common/springext/src/main/java/com/alibaba/citrus/springext/export/SchemaExporter.java
index 85bbab182..3bb3d3d50 100644
--- a/common/springext/src/main/java/com/alibaba/citrus/springext/export/SchemaExporter.java
+++ b/common/springext/src/main/java/com/alibaba/citrus/springext/export/SchemaExporter.java
@@ -34,8 +34,8 @@
 import com.alibaba.citrus.springext.Schema;
 import com.alibaba.citrus.springext.Schema.Transformer;
 import com.alibaba.citrus.springext.Schemas;
-import com.alibaba.citrus.springext.support.SpringExtSchemaSet;
 import com.alibaba.citrus.springext.support.SchemaSet;
+import com.alibaba.citrus.springext.support.SpringExtSchemaSet;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -245,19 +245,19 @@ public String toString() {
         }
     }
 
-    private final class Entries extends HashMap<String, Entry> {
+    private final class Entries extends HashMap<String, SchemaExporter.Entry> {
         private static final long serialVersionUID = -4000525580274040823L;
 
         public Entries() {
-            super.put("", new Entry());
+            super.put("", new SchemaExporter.Entry());
         }
 
-        public Entry getRoot() {
+        public SchemaExporter.Entry getRoot() {
             return get("");
         }
 
         @Override
-        public Entry put(String path, Entry entry) {
+        public SchemaExporter.Entry put(String path, SchemaExporter.Entry entry) {
             assertTrue(path.equals(entry.getPath()));
 
             if (path.endsWith("/")) {
@@ -265,16 +265,16 @@ public Entry put(String path, Entry entry) {
             }
 
             String parentPath = path.substring(0, path.lastIndexOf("/") + 1);
-            Entry parentEntry = get(parentPath);
+            SchemaExporter.Entry parentEntry = get(parentPath);
 
             if (parentEntry == null) {
-                parentEntry = new Entry(parentPath);
+                parentEntry = new SchemaExporter.Entry(parentPath);
                 this.put(parentPath, parentEntry); // recursively
             }
 
             parentEntry.subEntries.put(entry.getSortKey(), entry);
 
-            Entry old = super.put(entry.getPath(), entry);
+            SchemaExporter.Entry old = super.put(entry.getPath(), entry);
 
             log.trace("Added entry: {}", entry.getPath());
 
diff --git a/common/util/src/test/java/com/alibaba/citrus/util/CollectionUtilTests.java b/common/util/src/test/java/com/alibaba/citrus/util/CollectionUtilTests.java
index 0bfef6dbe..485dfd98c 100644
--- a/common/util/src/test/java/com/alibaba/citrus/util/CollectionUtilTests.java
+++ b/common/util/src/test/java/com/alibaba/citrus/util/CollectionUtilTests.java
@@ -154,15 +154,7 @@ public void createHashMap_noArgs() {
     @Test
     public void createHashMap_capacity() {
         Map<String, Integer> map = createHashMap(2);
-        assertTrue(map instanceof HashMap<?, ?>);
-
-        map.put("a", 1);
-        map.put("b", 1);
-        map.put("c", 1);
-        map.put("d", 1);
-        map.put("e", 1);
-
-        assertArrayNotEquals(new Object[] { "a", "b", "c", "d", "e" }, map.keySet().toArray());
+        assertSame(HashMap.class, map.getClass());
     }
 
     @Test
diff --git a/pom.xml b/pom.xml
index af0629405..cd7a33be6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -723,20 +723,20 @@
             <plugins>
                 <plugin>
                     <artifactId>maven-antrun-plugin</artifactId>
-                    <version>1.6</version>
+                    <version>1.7</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-compiler-plugin</artifactId>
                     <!-- 较低版本有bug，导致hessian不能编译通过。 -->
-                    <version>2.3.2</version>
+                    <version>3.1</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-jar-plugin</artifactId>
-                    <version>2.3.2</version>
+                    <version>2.4</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-deploy-plugin</artifactId>
-                    <version>2.7</version>
+                    <version>2.8.1</version>
                     <configuration>
                         <!-- 默认不发布 -->
                         <skip>true</skip>
@@ -744,23 +744,26 @@
                 </plugin>
                 <plugin>
                     <artifactId>maven-eclipse-plugin</artifactId>
-                    <version>2.8</version>
+                    <version>2.9</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-shade-plugin</artifactId>
-                    <version>1.4</version>
+                    <version>2.2</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-source-plugin</artifactId>
-                    <version>2.1.2</version>
+                    <version>2.2.1</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-javadoc-plugin</artifactId>
-                    <version>2.8</version>
+                    <version>2.9.1</version>
+                    <configuration>
+                        <additionalparam>-Xdoclint:none</additionalparam>
+                    </configuration>
                 </plugin>
                 <plugin>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>2.10</version>
+                    <version>2.16</version>
                 </plugin>
                 <plugin>
                     <groupId>org.eclipse.jetty</groupId>