diff --git a/hadoop-common-project/hadoop-common/pom.xml b/hadoop-common-project/hadoop-common/pom.xml
index 4391995d209..5f0302fd077 100644
--- a/hadoop-common-project/hadoop-common/pom.xml
+++ b/hadoop-common-project/hadoop-common/pom.xml
@@ -200,11 +200,6 @@
       <artifactId>assertj-core</artifactId>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.glassfish.grizzly</groupId>
-      <artifactId>grizzly-http-servlet</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>commons-beanutils</groupId>
       <artifactId>commons-beanutils</artifactId>
diff --git a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authentication/server/TestProxyUserAuthenticationFilter.java b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authentication/server/TestProxyUserAuthenticationFilter.java
index 16c0e1eb112..978c15d8f2a 100644
--- a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authentication/server/TestProxyUserAuthenticationFilter.java
+++ b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authentication/server/TestProxyUserAuthenticationFilter.java
@@ -18,21 +18,27 @@
 
 package org.apache.hadoop.security.authentication.server;
 
+import java.io.IOException;
+import java.io.PrintWriter;
 import java.security.Principal;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.Enumeration;
 import java.util.HashMap;
+import java.util.Locale;
 import java.util.Map;
 
 import javax.servlet.FilterConfig;
 import javax.servlet.FilterChain;
 import javax.servlet.ServletContext;
+import javax.servlet.ServletOutputStream;
 import javax.servlet.ServletResponse;
 import javax.servlet.ServletRequest;
+import javax.servlet.http.Cookie;
 import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import org.glassfish.grizzly.servlet.HttpServletResponseImpl;
 import org.junit.Test;
 import org.mockito.Mockito;
 
@@ -76,8 +82,192 @@ public class TestProxyUserAuthenticationFilter {
     }
   }
 
-  private class HttpServletResponseForTest extends HttpServletResponseImpl {
+  private class HttpServletResponseForTest implements HttpServletResponse {
 
+    @Override
+    public void addCookie(Cookie cookie) {
+
+    }
+
+    @Override
+    public boolean containsHeader(String name) {
+      return false;
+    }
+
+    @Override
+    public String encodeURL(String url) {
+      return null;
+    }
+
+    @Override
+    public String encodeRedirectURL(String url) {
+      return null;
+    }
+
+    @Override
+    public String encodeUrl(String url) {
+      return null;
+    }
+
+    @Override
+    public String encodeRedirectUrl(String url) {
+      return null;
+    }
+
+    @Override
+    public void sendError(int sc, String msg) throws IOException {
+
+    }
+
+    @Override
+    public void sendError(int sc) throws IOException {
+
+    }
+
+    @Override
+    public void sendRedirect(String location) throws IOException {
+
+    }
+
+    @Override
+    public void setDateHeader(String name, long date) {
+
+    }
+
+    @Override
+    public void addDateHeader(String name, long date) {
+
+    }
+
+    @Override
+    public void setHeader(String name, String value) {
+
+    }
+
+    @Override
+    public void addHeader(String name, String value) {
+
+    }
+
+    @Override
+    public void setIntHeader(String name, int value) {
+
+    }
+
+    @Override
+    public void addIntHeader(String name, int value) {
+
+    }
+
+    @Override
+    public void setStatus(int sc) {
+
+    }
+
+    @Override
+    public void setStatus(int sc, String sm) {
+
+    }
+
+    @Override
+    public int getStatus() {
+      return 0;
+    }
+
+    @Override
+    public String getHeader(String name) {
+      return null;
+    }
+
+    @Override
+    public Collection<String> getHeaders(String name) {
+      return null;
+    }
+
+    @Override
+    public Collection<String> getHeaderNames() {
+      return null;
+    }
+
+    @Override
+    public String getCharacterEncoding() {
+      return null;
+    }
+
+    @Override
+    public String getContentType() {
+      return null;
+    }
+
+    @Override
+    public ServletOutputStream getOutputStream() throws IOException {
+      return null;
+    }
+
+    @Override
+    public PrintWriter getWriter() throws IOException {
+      return null;
+    }
+
+    @Override
+    public void setCharacterEncoding(String charset) {
+
+    }
+
+    @Override
+    public void setContentLength(int len) {
+
+    }
+
+    @Override
+    public void setContentLengthLong(long len) {
+
+    }
+
+    @Override
+    public void setContentType(String type) {
+
+    }
+
+    @Override
+    public void setBufferSize(int size) {
+
+    }
+
+    @Override
+    public int getBufferSize() {
+      return 0;
+    }
+
+    @Override
+    public void flushBuffer() throws IOException {
+
+    }
+
+    @Override
+    public void resetBuffer() {
+
+    }
+
+    @Override
+    public boolean isCommitted() {
+      return false;
+    }
+
+    @Override
+    public void reset() {
+
+    }
+
+    @Override
+    public void setLocale(Locale loc) {
+
+    }
+
+    @Override
+    public Locale getLocale() {
+      return null;
+    }
   }
 
 
diff --git a/hadoop-project/pom.xml b/hadoop-project/pom.xml
index aada4e9b6de..73dc8eb2906 100644
--- a/hadoop-project/pom.xml
+++ b/hadoop-project/pom.xml
@@ -137,7 +137,6 @@
     <kotlin-stdlib-common.version>1.6.20</kotlin-stdlib-common.version>
     <jdom2.version>2.0.6.1</jdom2.version>
     <jna.version>5.2.0</jna.version>
-    <grizzly.version>2.2.21</grizzly.version>
     <gson.version>2.9.0</gson.version>
     <metrics.version>3.2.4</metrics.version>
     <netty4.version>4.1.77.Final</netty4.version>
@@ -1535,22 +1534,6 @@
         <version>${jersey.version}</version>
       </dependency>
 
-      <dependency>
-        <groupId>org.glassfish.grizzly</groupId>
-        <artifactId>grizzly-http-servlet</artifactId>
-        <version>${grizzly.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>org.glassfish.grizzly</groupId>
-        <artifactId>grizzly-http</artifactId>
-        <version>${grizzly.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>org.glassfish.grizzly</groupId>
-        <artifactId>grizzly-http-server</artifactId>
-        <version>${grizzly.version}</version>
-      </dependency>
-
       <dependency>
         <groupId>${leveldbjni.group}</groupId>
         <artifactId>leveldbjni-all</artifactId>
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebFilter.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebFilter.java
index 266c638a898..4ef988422e8 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebFilter.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebFilter.java
@@ -27,14 +27,18 @@ import com.google.inject.Injector;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.io.StringWriter;
+import java.util.Collection;
 import java.util.HashMap;
+import java.util.Locale;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 import javax.servlet.FilterChain;
 import javax.servlet.ServletException;
+import javax.servlet.ServletOutputStream;
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
+import javax.servlet.http.Cookie;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import org.apache.hadoop.conf.Configuration;
@@ -46,7 +50,6 @@ import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService;
 import org.apache.hadoop.yarn.server.nodemanager.NodeManager.NMContext;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.Application;
-import org.glassfish.grizzly.servlet.HttpServletResponseImpl;
 import org.junit.Test;
 
 /**
@@ -126,7 +129,7 @@ public class TestNMWebFilter {
     assertTrue(redirect.contains("start=10"));
   }
 
-  private class HttpServletResponseForTest extends HttpServletResponseImpl {
+  private class HttpServletResponseForTest implements HttpServletResponse {
     String redirectLocation = "";
     int status;
     private String contentType;
@@ -142,34 +145,184 @@ public class TestNMWebFilter {
       redirectLocation = location;
     }
 
+    @Override
+    public void setDateHeader(String name, long date) {
+
+    }
+
+    @Override
+    public void addDateHeader(String name, long date) {
+
+    }
+
+    @Override
+    public void addCookie(Cookie cookie) {
+
+    }
+
+    @Override
+    public boolean containsHeader(String name) {
+      return false;
+    }
+
+    @Override
+    public String encodeURL(String url) {
+      return null;
+    }
+
     @Override
     public String encodeRedirectURL(String url) {
       return url;
     }
 
+    @Override
+    public String encodeUrl(String url) {
+      return null;
+    }
+
+    @Override
+    public String encodeRedirectUrl(String url) {
+      return null;
+    }
+
+    @Override
+    public void sendError(int sc, String msg) throws IOException {
+
+    }
+
+    @Override
+    public void sendError(int sc) throws IOException {
+
+    }
+
     @Override
     public void setStatus(int status) {
       this.status = status;
     }
 
+    @Override
+    public void setStatus(int sc, String sm) {
+
+    }
+
+    @Override
+    public int getStatus() {
+      return 0;
+    }
+
     @Override
     public void setContentType(String type) {
       this.contentType = type;
     }
 
+    @Override
+    public void setBufferSize(int size) {
+
+    }
+
+    @Override
+    public int getBufferSize() {
+      return 0;
+    }
+
+    @Override
+    public void flushBuffer() throws IOException {
+
+    }
+
+    @Override
+    public void resetBuffer() {
+
+    }
+
+    @Override
+    public boolean isCommitted() {
+      return false;
+    }
+
+    @Override
+    public void reset() {
+
+    }
+
+    @Override
+    public void setLocale(Locale loc) {
+
+    }
+
+    @Override
+    public Locale getLocale() {
+      return null;
+    }
+
     @Override
     public void setHeader(String name, String value) {
       headers.put(name, value);
     }
 
+    @Override
+    public void addHeader(String name, String value) {
+
+    }
+
+    @Override
+    public void setIntHeader(String name, int value) {
+
+    }
+
+    @Override
+    public void addIntHeader(String name, int value) {
+
+    }
+
     public String getHeader(String name) {
       return headers.get(name);
     }
 
+    @Override
+    public Collection<String> getHeaders(String name) {
+      return null;
+    }
+
+    @Override
+    public Collection<String> getHeaderNames() {
+      return null;
+    }
+
+    @Override
+    public String getCharacterEncoding() {
+      return null;
+    }
+
+    @Override
+    public String getContentType() {
+      return null;
+    }
+
+    @Override
+    public ServletOutputStream getOutputStream() throws IOException {
+      return null;
+    }
+
     @Override
     public PrintWriter getWriter() throws IOException {
       body = new StringWriter();
       return new PrintWriter(body);
     }
+
+    @Override
+    public void setCharacterEncoding(String charset) {
+
+    }
+
+    @Override
+    public void setContentLength(int len) {
+
+    }
+
+    @Override
+    public void setContentLengthLong(long len) {
+
+    }
   }
 }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/pom.xml b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/pom.xml
index 0ba39653a5c..ec4fe86e7c2 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/pom.xml
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/pom.xml
@@ -150,12 +150,6 @@
       <type>test-jar</type>
     </dependency>
 
-    <dependency>
-      <groupId>org.glassfish.grizzly</groupId>
-      <artifactId>grizzly-http-servlet</artifactId>
-      <scope>test</scope>
-    </dependency>
-
   </dependencies>
 
   <build>
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/TestRouter.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/TestRouter.java
index d5501d74440..89438d72d0c 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/TestRouter.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/TestRouter.java
@@ -32,16 +32,21 @@ import org.apache.hadoop.yarn.webapp.WebApp;
 import org.eclipse.jetty.servlet.FilterHolder;
 import org.eclipse.jetty.servlet.ServletHandler;
 import org.eclipse.jetty.webapp.WebAppContext;
-import org.glassfish.grizzly.servlet.HttpServletResponseImpl;
 import org.junit.Assert;
 import org.junit.Test;
 import org.mockito.Mockito;
 
 import javax.servlet.FilterChain;
 import javax.servlet.ServletException;
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.Cookie;
 import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Collection;
 import java.util.HashMap;
+import java.util.Locale;
 import java.util.Map;
 
 /**
@@ -180,20 +185,196 @@ public class TestRouter {
     router.stop();
   }
 
-  private class HttpServletResponseForRouterTest extends HttpServletResponseImpl {
+  private class HttpServletResponseForRouterTest implements HttpServletResponse {
     private final Map<String, String> headers = new HashMap<>(1);
+
+    @Override
+    public void addCookie(Cookie cookie) {
+
+    }
+
+    @Override
+    public boolean containsHeader(String name) {
+      return false;
+    }
+
+    @Override
+    public String encodeURL(String url) {
+      return null;
+    }
+
+    @Override
+    public String encodeRedirectURL(String url) {
+      return null;
+    }
+
+    @Override
+    public String encodeUrl(String url) {
+      return null;
+    }
+
+    @Override
+    public String encodeRedirectUrl(String url) {
+      return null;
+    }
+
+    @Override
+    public void sendError(int sc, String msg) throws IOException {
+
+    }
+
+    @Override
+    public void sendError(int sc) throws IOException {
+
+    }
+
+    @Override
+    public void sendRedirect(String location) throws IOException {
+
+    }
+
+    @Override
+    public void setDateHeader(String name, long date) {
+
+    }
+
+    @Override
+    public void addDateHeader(String name, long date) {
+
+    }
+
     @Override
     public void setHeader(String name, String value) {
       headers.put(name, value);
     }
 
+    @Override
+    public void addHeader(String name, String value) {
+
+    }
+
+    @Override
+    public void setIntHeader(String name, int value) {
+
+    }
+
+    @Override
+    public void addIntHeader(String name, int value) {
+
+    }
+
+    @Override
+    public void setStatus(int sc) {
+
+    }
+
+    @Override
+    public void setStatus(int sc, String sm) {
+
+    }
+
+    @Override
+    public int getStatus() {
+      return 0;
+    }
+
     public String getHeader(String name) {
       return headers.get(name);
     }
 
+    @Override
+    public Collection<String> getHeaders(String name) {
+      return null;
+    }
+
+    @Override
+    public Collection<String> getHeaderNames() {
+      return null;
+    }
+
     public Map<String, String> getHeaders() {
       return headers;
     }
+
+    @Override
+    public String getCharacterEncoding() {
+      return null;
+    }
+
+    @Override
+    public String getContentType() {
+      return null;
+    }
+
+    @Override
+    public ServletOutputStream getOutputStream() throws IOException {
+      return null;
+    }
+
+    @Override
+    public PrintWriter getWriter() throws IOException {
+      return null;
+    }
+
+    @Override
+    public void setCharacterEncoding(String charset) {
+
+    }
+
+    @Override
+    public void setContentLength(int len) {
+
+    }
+
+    @Override
+    public void setContentLengthLong(long len) {
+
+    }
+
+    @Override
+    public void setContentType(String type) {
+
+    }
+
+    @Override
+    public void setBufferSize(int size) {
+
+    }
+
+    @Override
+    public int getBufferSize() {
+      return 0;
+    }
+
+    @Override
+    public void flushBuffer() throws IOException {
+
+    }
+
+    @Override
+    public void resetBuffer() {
+
+    }
+
+    @Override
+    public boolean isCommitted() {
+      return false;
+    }
+
+    @Override
+    public void reset() {
+
+    }
+
+    @Override
+    public void setLocale(Locale loc) {
+
+    }
+
+    @Override
+    public Locale getLocale() {
+      return null;
+    }
   }
 
 }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/pom.xml b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/pom.xml
index 9681dfa4c1d..15df5456810 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/pom.xml
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/pom.xml
@@ -99,11 +99,6 @@
       <artifactId>jetty-server</artifactId>
     </dependency>
 
-    <dependency>
-      <groupId>org.glassfish.grizzly</groupId>
-      <artifactId>grizzly-http-servlet</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter-api</artifactId>
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/test/java/org/apache/hadoop/yarn/server/webproxy/amfilter/TestAmFilter.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/test/java/org/apache/hadoop/yarn/server/webproxy/amfilter/TestAmFilter.java
index 07302e65276..f4827920335 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/test/java/org/apache/hadoop/yarn/server/webproxy/amfilter/TestAmFilter.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/test/java/org/apache/hadoop/yarn/server/webproxy/amfilter/TestAmFilter.java
@@ -22,10 +22,12 @@ import java.io.IOException;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.net.HttpURLConnection;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.Enumeration;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -35,6 +37,7 @@ import javax.servlet.FilterChain;
 import javax.servlet.FilterConfig;
 import javax.servlet.ServletContext;
 import javax.servlet.ServletException;
+import javax.servlet.ServletOutputStream;
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
 import javax.servlet.http.Cookie;
@@ -46,7 +49,6 @@ import org.eclipse.jetty.server.ServerConnector;
 import org.eclipse.jetty.servlet.ServletContextHandler;
 import org.eclipse.jetty.servlet.ServletHolder;
 import org.eclipse.jetty.util.thread.QueuedThreadPool;
-import org.glassfish.grizzly.servlet.HttpServletResponseImpl;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.Timeout;
 import org.mockito.Mockito;
@@ -307,7 +309,7 @@ public class TestAmFilter {
 
   }
 
-  private class HttpServletResponseForTest extends HttpServletResponseImpl {
+  private class HttpServletResponseForTest implements HttpServletResponse {
     String redirectLocation = "";
     int status;
     private String contentType;
@@ -324,35 +326,185 @@ public class TestAmFilter {
       redirectLocation = location;
     }
 
+    @Override
+    public void setDateHeader(String name, long date) {
+
+    }
+
+    @Override
+    public void addDateHeader(String name, long date) {
+
+    }
+
+    @Override
+    public void addCookie(Cookie cookie) {
+
+    }
+
+    @Override
+    public boolean containsHeader(String name) {
+      return false;
+    }
+
+    @Override
+    public String encodeURL(String url) {
+      return null;
+    }
+
     @Override
     public String encodeRedirectURL(String url) {
       return url;
     }
 
+    @Override
+    public String encodeUrl(String url) {
+      return null;
+    }
+
+    @Override
+    public String encodeRedirectUrl(String url) {
+      return null;
+    }
+
+    @Override
+    public void sendError(int sc, String msg) throws IOException {
+
+    }
+
+    @Override
+    public void sendError(int sc) throws IOException {
+
+    }
+
     @Override
     public void setStatus(int status) {
       this.status = status;
     }
 
+    @Override
+    public void setStatus(int sc, String sm) {
+
+    }
+
+    @Override
+    public int getStatus() {
+      return 0;
+    }
+
     @Override
     public void setContentType(String type) {
       this.contentType = type;
     }
 
+    @Override
+    public void setBufferSize(int size) {
+
+    }
+
+    @Override
+    public int getBufferSize() {
+      return 0;
+    }
+
+    @Override
+    public void flushBuffer() throws IOException {
+
+    }
+
+    @Override
+    public void resetBuffer() {
+
+    }
+
+    @Override
+    public boolean isCommitted() {
+      return false;
+    }
+
+    @Override
+    public void reset() {
+
+    }
+
+    @Override
+    public void setLocale(Locale loc) {
+
+    }
+
+    @Override
+    public Locale getLocale() {
+      return null;
+    }
+
     @Override
     public void setHeader(String name, String value) {
       headers.put(name, value);
     }
 
+    @Override
+    public void addHeader(String name, String value) {
+
+    }
+
+    @Override
+    public void setIntHeader(String name, int value) {
+
+    }
+
+    @Override
+    public void addIntHeader(String name, int value) {
+
+    }
+
     public String getHeader(String name) {
       return headers.get(name);
     }
 
+    @Override
+    public Collection<String> getHeaders(String name) {
+      return null;
+    }
+
+    @Override
+    public Collection<String> getHeaderNames() {
+      return null;
+    }
+
+    @Override
+    public String getCharacterEncoding() {
+      return null;
+    }
+
+    @Override
+    public String getContentType() {
+      return null;
+    }
+
+    @Override
+    public ServletOutputStream getOutputStream() throws IOException {
+      return null;
+    }
+
     @Override
     public PrintWriter getWriter() throws IOException {
       body = new StringWriter();
       return new PrintWriter(body);
     }
+
+    @Override
+    public void setCharacterEncoding(String charset) {
+
+    }
+
+    @Override
+    public void setContentLength(int len) {
+
+    }
+
+    @Override
+    public void setContentLengthLong(long len) {
+
+    }
   }
 
   
diff --git a/pom.xml b/pom.xml
index 68d890a8b48..4e2887f1df4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -280,6 +280,14 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/x
                       <bannedImport>org.codehaus.jackson.**</bannedImport>
                     </bannedImports>
                   </restrictImports>
+                  <restrictImports>
+                    <includeTestCode>true</includeTestCode>
+                    <reason>Use HttpServlet APIs instead</reason>
+                    <bannedImports>
+                      <bannedImport>org.glassfish.grizzly</bannedImport>
+                      <bannedImport>org.glassfish.grizzly.**</bannedImport>
+                    </bannedImports>
+                  </restrictImports>
                 </rules>
               </configuration>
             </execution>