diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/PushAggregateIntoGroupbyRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/PushAggregateIntoGroupbyRule.java
index ed489e5..a162209 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/PushAggregateIntoGroupbyRule.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/PushAggregateIntoGroupbyRule.java
@@ -24,13 +24,10 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.concurrent.Callable;
-import java.util.concurrent.Future;
 
 import org.apache.asterix.om.functions.AsterixBuiltinFunctions;
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
-import org.apache.hadoop.yarn.webapp.hamlet.HamletSpec;
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.algebricks.common.utils.Pair;
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
diff --git a/asterixdb/asterix-app/pom.xml b/asterixdb/asterix-app/pom.xml
index b06a03e..c2de29a 100644
--- a/asterixdb/asterix-app/pom.xml
+++ b/asterixdb/asterix-app/pom.xml
@@ -237,13 +237,6 @@
     </dependency>
     <dependency>
       <groupId>org.apache.asterix</groupId>
-      <artifactId>asterix-tools</artifactId>
-      <version>${project.version}</version>
-      <type>jar</type>
-      <scope>compile</scope>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.asterix</groupId>
       <artifactId>asterix-common</artifactId>
       <version>${project.version}</version>
       <type>jar</type>
@@ -271,29 +264,11 @@
     </dependency>
     <dependency>
       <groupId>org.apache.hadoop</groupId>
-      <artifactId>hadoop-client</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-hdfs</artifactId>
       <type>jar</type>
       <scope>provided</scope>
     </dependency>
     <dependency>
-      <groupId>xerces</groupId>
-      <artifactId>xercesImpl</artifactId>
-      <version>2.9.1</version>
-      <type>jar</type>
-      <scope>compile</scope>
-    </dependency>
-    <dependency>
-      <groupId>xalan</groupId>
-      <artifactId>xalan</artifactId>
-      <version>2.7.1</version>
-      <type>jar</type>
-      <scope>test</scope>
-    </dependency>
-    <dependency>
       <groupId>org.apache.asterix</groupId>
       <artifactId>asterix-test-framework</artifactId>
       <version>${project.version}</version>
diff --git a/asterixdb/asterix-common/pom.xml b/asterixdb/asterix-common/pom.xml
index 5542186..ab511fb 100644
--- a/asterixdb/asterix-common/pom.xml
+++ b/asterixdb/asterix-common/pom.xml
@@ -180,9 +180,9 @@
       <artifactId>commons-io</artifactId>
     </dependency>
     <dependency>
-      <groupId>commons-httpclient</groupId>
-      <artifactId>commons-httpclient</artifactId>
-      <version>3.0.1</version>
+      <groupId>org.apache.httpcomponents</groupId>
+      <artifactId>httpclient</artifactId>
+      <version>4.5.2</version>
     </dependency>
     <dependency>
       <groupId>org.apache.hyracks</groupId>
diff --git a/asterixdb/asterix-common/src/test/java/org/apache/asterix/test/aql/TestExecutor.java b/asterixdb/asterix-common/src/test/java/org/apache/asterix/test/aql/TestExecutor.java
index 58c6a91..fb1c69a 100644
--- a/asterixdb/asterix-common/src/test/java/org/apache/asterix/test/aql/TestExecutor.java
+++ b/asterixdb/asterix-common/src/test/java/org/apache/asterix/test/aql/TestExecutor.java
@@ -46,21 +46,19 @@
 import org.apache.asterix.testframework.context.TestCaseContext;
 import org.apache.asterix.testframework.context.TestCaseContext.OutputFormat;
 import org.apache.asterix.testframework.context.TestFileContext;
-import org.apache.asterix.testframework.xml.TestCase;
 import org.apache.asterix.testframework.xml.TestCase.CompilationUnit;
 import org.apache.asterix.testframework.xml.TestGroup;
-import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler;
-import org.apache.commons.httpclient.HttpClient;
-import org.apache.commons.httpclient.HttpMethod;
-import org.apache.commons.httpclient.HttpMethodBase;
-import org.apache.commons.httpclient.HttpStatus;
-import org.apache.commons.httpclient.NameValuePair;
-import org.apache.commons.httpclient.methods.GetMethod;
-import org.apache.commons.httpclient.methods.PostMethod;
-import org.apache.commons.httpclient.methods.StringRequestEntity;
-import org.apache.commons.httpclient.params.HttpMethodParams;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.mutable.MutableInt;
+import org.apache.http.HttpResponse;
+import org.apache.http.HttpStatus;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpUriRequest;
+import org.apache.http.client.methods.RequestBuilder;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.impl.client.StandardHttpRequestRetryHandler;
+import org.apache.http.util.EntityUtils;
 import org.json.JSONObject;
 
 public class TestExecutor {
@@ -252,49 +250,54 @@
         }
     }
 
-    private int executeHttpMethod(HttpMethod method) throws Exception {
-        HttpClient client = new HttpClient();
-        int statusCode;
+    private HttpResponse executeHttpRequest(HttpUriRequest method) throws Exception {
+        HttpClient client = HttpClients.custom()
+                .setRetryHandler(StandardHttpRequestRetryHandler.INSTANCE)
+                .build();
+        HttpResponse httpResponse;
+
         try {
-            statusCode = client.executeMethod(method);
+            httpResponse = client.execute(method);
         } catch (Exception e) {
             GlobalConfig.ASTERIX_LOGGER.log(Level.SEVERE, e.getMessage(), e);
             e.printStackTrace();
             throw e;
         }
+        int statusCode = httpResponse.getStatusLine().getStatusCode();
         if (statusCode != HttpStatus.SC_OK) {
             // QQQ For now, we are indeed assuming we get back JSON errors.
             // In future this may be changed depending on the requested
             // output format sent to the servlet.
-            String errorBody = method.getResponseBodyAsString();
+            String errorBody = EntityUtils.toString(httpResponse.getEntity());
             JSONObject result = new JSONObject(errorBody);
             String[] errors = { result.getJSONArray("error-code").getString(0), result.getString("summary"),
                     result.getString("stacktrace") };
             GlobalConfig.ASTERIX_LOGGER.log(Level.SEVERE, errors[2]);
-            String exceptionMsg = "HTTP operation failed: " + errors[0] + "\nSTATUS LINE: " + method.getStatusLine()
+            String exceptionMsg = "HTTP operation failed: " + errors[0]
+                    + "\nSTATUS LINE: " + httpResponse.getStatusLine()
                     + "\nSUMMARY: " + errors[1] + "\nSTACKTRACE: " + errors[2];
             throw new Exception(exceptionMsg);
         }
-        return statusCode;
+        return httpResponse;
     }
 
     public InputStream executeQuery(String str, OutputFormat fmt, String url,
             List<CompilationUnit.Parameter> params) throws Exception {
-        HttpMethod method = constructHttpMethod(str, url, "query", false, params);
+        HttpUriRequest method = constructHttpMethod(str, url, "query", false, params);
         // Set accepted output response type
-        method.setRequestHeader("Accept", fmt.mimeType());
-        executeHttpMethod(method);
-        return method.getResponseBodyAsStream();
+        method.setHeader("Accept", fmt.mimeType());
+        HttpResponse response = executeHttpRequest(method);
+        return response.getEntity().getContent();
     }
 
     public InputStream executeQueryService(String str, OutputFormat fmt, String url,
             List<CompilationUnit.Parameter> params) throws Exception {
         setFormatParam(params, fmt);
-        HttpMethod method = constructHttpMethod(str, url, "statement", true, params);
+        HttpUriRequest method = constructHttpMethod(str, url, "statement", true, params);
         // Set accepted output response type
-        method.setRequestHeader("Accept", OutputFormat.CLEAN_JSON.mimeType());
-        executeHttpMethod(method);
-        return method.getResponseBodyAsStream();
+        method.setHeader("Accept", OutputFormat.CLEAN_JSON.mimeType());
+        HttpResponse response = executeHttpRequest(method);
+        return response.getEntity().getContent();
     }
 
     private void setFormatParam(List<CompilationUnit.Parameter> params, OutputFormat fmt) {
@@ -313,82 +316,63 @@
         }
     }
 
-    private HttpMethod constructHttpMethod(String statement, String endpoint, String stmtParam, boolean postStmtAsParam,
+    private HttpUriRequest constructHttpMethod(String statement, String endpoint, String stmtParam, boolean postStmtAsParam,
             List<CompilationUnit.Parameter> otherParams) {
-        HttpMethod method;
+        RequestBuilder builder;
         if (statement.length() + endpoint.length() < MAX_URL_LENGTH) {
             // Use GET for small-ish queries
-            GetMethod getMethod = new GetMethod(endpoint);
-            NameValuePair[] parameters = new NameValuePair[otherParams.size() + 1];
-            parameters[0] = new NameValuePair(stmtParam, statement);
-            int i = 1;
+            builder = RequestBuilder.get(endpoint);
+            builder.addParameter(stmtParam, statement);
             for (CompilationUnit.Parameter param : otherParams) {
-                parameters[i++] = new NameValuePair(param.getName(), param.getValue());
+                builder.addParameter(param.getName(), param.getValue());
             }
-            getMethod.setQueryString(parameters);
-            method = getMethod;
         } else {
             // Use POST for bigger ones to avoid 413 FULL_HEAD
-            PostMethod postMethod = new PostMethod(endpoint);
+            builder = RequestBuilder.post(endpoint);
             if (postStmtAsParam) {
                 for (CompilationUnit.Parameter param : otherParams) {
-                    postMethod.setParameter(param.getName(), param.getValue());
+                    builder.addParameter(param.getName(), param.getValue());
                 }
-                postMethod.setParameter("statement", statement);
+                builder.addParameter("statement", statement);
             } else {
                 // this seems pretty bad - we should probably fix the API and not the client
-                postMethod.setRequestEntity(new StringRequestEntity(statement));
+                builder.setEntity(new StringEntity(statement, StandardCharsets.UTF_8));
             }
-            method = postMethod;
         }
-        // Provide custom retry handler is necessary
-        HttpMethodParams httpMethodParams = method.getParams();
-        httpMethodParams.setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false));
-        httpMethodParams.setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, StandardCharsets.UTF_8.name());
-        return method;
+        builder.setCharset(StandardCharsets.UTF_8);
+        return builder.build();
     }
 
     public InputStream executeClusterStateQuery(OutputFormat fmt, String url) throws Exception {
-        HttpMethodBase method = new GetMethod(url);
+        HttpUriRequest request = RequestBuilder.get(url).setHeader("Accept", fmt.mimeType()).build();
 
-        // Set accepted output response type
-        method.setRequestHeader("Accept", fmt.mimeType());
-        // Provide custom retry handler is necessary
-        method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false));
-        executeHttpMethod(method);
-        return method.getResponseBodyAsStream();
+        HttpResponse response = executeHttpRequest(request);
+        return response.getEntity().getContent();
     }
 
     // To execute Update statements
     // Insert and Delete statements are executed here
     public void executeUpdate(String str, String url) throws Exception {
         // Create a method instance.
-        PostMethod method = new PostMethod(url);
-        method.setRequestEntity(new StringRequestEntity(str));
-
-        // Provide custom retry handler is necessary
-        method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false));
+        HttpUriRequest request = RequestBuilder.post(url)
+                .setEntity(new StringEntity(str, StandardCharsets.UTF_8))
+                .build();
 
         // Execute the method.
-        executeHttpMethod(method);
+        executeHttpRequest(request);
     }
 
     // Executes AQL in either async or async-defer mode.
     public InputStream executeAnyAQLAsync(String str, boolean defer, OutputFormat fmt, String url) throws Exception {
         // Create a method instance.
-        PostMethod method = new PostMethod(url);
-        if (defer) {
-            method.setQueryString(new NameValuePair[] { new NameValuePair("mode", "asynchronous-deferred") });
-        } else {
-            method.setQueryString(new NameValuePair[] { new NameValuePair("mode", "asynchronous") });
-        }
-        method.setRequestEntity(new StringRequestEntity(str));
-        method.setRequestHeader("Accept", fmt.mimeType());
+        HttpUriRequest request = RequestBuilder.post(url)
+                .addParameter("mode", defer ? "asynchronous-deferred" : "asynchronous")
+                .setEntity(new StringEntity(str, StandardCharsets.UTF_8))
+                .setHeader("Accept", fmt.mimeType())
+                .build();
 
-        // Provide custom retry handler is necessary
-        method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false));
-        executeHttpMethod(method);
-        InputStream resultStream = method.getResponseBodyAsStream();
+        HttpResponse response = executeHttpRequest(request);
+        InputStream resultStream = response.getEntity().getContent();
 
         String theHandle = IOUtils.toString(resultStream, "UTF-8");
 
@@ -401,15 +385,13 @@
         final String url = "http://" + host + ":" + port + Servlets.QUERY_RESULT.getPath();
 
         // Create a method instance.
-        GetMethod method = new GetMethod(url);
-        method.setQueryString(new NameValuePair[] { new NameValuePair("handle", handle) });
-        method.setRequestHeader("Accept", fmt.mimeType());
+        HttpUriRequest request = RequestBuilder.get(url)
+                .addParameter("handle", handle)
+                .setHeader("Accept", fmt.mimeType())
+                .build();
 
-        // Provide custom retry handler is necessary
-        method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false));
-
-        executeHttpMethod(method);
-        return method.getResponseBodyAsStream();
+        HttpResponse response = executeHttpRequest(request);
+        return response.getEntity().getContent();
     }
 
     // To execute DDL and Update statements
@@ -420,13 +402,12 @@
     // create function statement
     public void executeDDL(String str, String url) throws Exception {
         // Create a method instance.
-        PostMethod method = new PostMethod(url);
-        method.setRequestEntity(new StringRequestEntity(str));
-        // Provide custom retry handler is necessary
-        method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false));
+        HttpUriRequest request = RequestBuilder.post(url)
+                .setEntity(new StringEntity(str, StandardCharsets.UTF_8))
+                .build();
 
         // Execute the method.
-        executeHttpMethod(method);
+        executeHttpRequest(request);
     }
 
     // Method that reads a DDL/Update/Query File
diff --git a/asterixdb/asterix-experiments/pom.xml b/asterixdb/asterix-experiments/pom.xml
index 7a7d3c6..b923fba 100644
--- a/asterixdb/asterix-experiments/pom.xml
+++ b/asterixdb/asterix-experiments/pom.xml
@@ -122,13 +122,13 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <version>4.2.2</version>
+      <version>4.5.2</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpcore</artifactId>
-      <version>4.2.2</version>
+      <version>4.4.4</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
@@ -149,11 +149,11 @@
       <artifactId>asterix-app</artifactId>
       <version>${project.version}</version>
     </dependency>
-    <!--         <dependency>
-          <groupId>net.schmizz</groupId>
-          <artifactId>sshj</artifactId>
-          <version>0.9.0</version>
-        </dependency> -->
+    <dependency>
+      <groupId>org.apache.asterix</groupId>
+      <artifactId>asterix-tools</artifactId>
+      <version>${project.version}</version>
+    </dependency>
     <dependency>
       <groupId>com.hierynomus</groupId>
       <artifactId>sshj</artifactId>
diff --git a/asterixdb/asterix-experiments/src/main/java/org/apache/asterix/experiment/client/SyntheticDataGeneratorForSpatialIndexEvaluation.java b/asterixdb/asterix-experiments/src/main/java/org/apache/asterix/experiment/client/SyntheticDataGeneratorForSpatialIndexEvaluation.java
index 10bae07..25d56a0 100644
--- a/asterixdb/asterix-experiments/src/main/java/org/apache/asterix/experiment/client/SyntheticDataGeneratorForSpatialIndexEvaluation.java
+++ b/asterixdb/asterix-experiments/src/main/java/org/apache/asterix/experiment/client/SyntheticDataGeneratorForSpatialIndexEvaluation.java
@@ -23,13 +23,12 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 
-import org.kohsuke.args4j.CmdLineException;
-import org.kohsuke.args4j.CmdLineParser;
-
 import org.apache.asterix.tools.external.data.DataGeneratorForSpatialIndexEvaluation;
 import org.apache.asterix.tools.external.data.DataGeneratorForSpatialIndexEvaluation.InitializationInfo;
 import org.apache.asterix.tools.external.data.DataGeneratorForSpatialIndexEvaluation.TweetMessageIterator;
 import org.apache.asterix.tools.external.data.GULongIDGenerator;
+import org.kohsuke.args4j.CmdLineException;
+import org.kohsuke.args4j.CmdLineParser;
 
 public class SyntheticDataGeneratorForSpatialIndexEvaluation {
     public static void main(String[] args) throws Exception {
diff --git a/asterixdb/asterix-metadata/pom.xml b/asterixdb/asterix-metadata/pom.xml
index 28e4ad1..3087b60 100644
--- a/asterixdb/asterix-metadata/pom.xml
+++ b/asterixdb/asterix-metadata/pom.xml
@@ -61,12 +61,6 @@
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>org.apache.hadoop</groupId>
-      <artifactId>hadoop-client</artifactId>
-      <type>jar</type>
-      <scope>compile</scope>
-    </dependency>
-    <dependency>
       <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-storage-am-lsm-invertedindex</artifactId>
     </dependency>
@@ -79,10 +73,6 @@
       <artifactId>hyracks-storage-am-lsm-rtree</artifactId>
     </dependency>
     <dependency>
-      <groupId>org.apache.hyracks</groupId>
-      <artifactId>hyracks-hdfs-core</artifactId>
-    </dependency>
-    <dependency>
       <groupId>org.apache.asterix</groupId>
       <artifactId>asterix-external-data</artifactId>
       <version>${project.version}</version>
diff --git a/asterixdb/asterix-tools/pom.xml b/asterixdb/asterix-tools/pom.xml
index 649eb38..011d44b 100644
--- a/asterixdb/asterix-tools/pom.xml
+++ b/asterixdb/asterix-tools/pom.xml
@@ -58,35 +58,6 @@
     </plugins>
   </build>
 
-  <repositories>
-    <repository>
-      <id>central</id>
-      <url>http://repo1.maven.org/maven2</url>
-      <releases>
-        <enabled>true</enabled>
-      </releases>
-      <snapshots>
-        <enabled>false</enabled>
-      </snapshots>
-    </repository>
-    <repository>
-      <releases>
-        <enabled>true</enabled>
-        <updatePolicy>always</updatePolicy>
-        <checksumPolicy>warn</checksumPolicy>
-      </releases>
-      <snapshots>
-        <enabled>false</enabled>
-        <updatePolicy>never</updatePolicy>
-        <checksumPolicy>fail</checksumPolicy>
-      </snapshots>
-      <id>HDPReleases</id>
-      <name>HDP Releases</name>
-      <url>http://repo.hortonworks.com/content/repositories/releases</url>
-      <layout>default</layout>
-    </repository>
-  </repositories>
-
   <dependencies>
     <dependency>
       <groupId>org.apache.asterix</groupId>
@@ -119,78 +90,6 @@
       <version>${project.version}</version>
       <scope>compile</scope>
     </dependency>
-    <!--<dependency>
-      <groupId>org.apache.asterix</groupId>
-      <artifactId>asterix-metadata</artifactId>
-      <version>${project.version}</version>
-      <scope>compile</scope>
-    </dependency>-->
-    <dependency>
-      <groupId>org.apache.asterix</groupId>
-      <artifactId>asterix-events</artifactId>
-      <version>${project.version}</version>
-      <scope>compile</scope>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hadoop</groupId>
-      <artifactId>hadoop-yarn-common</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hadoop</groupId>
-      <artifactId>hadoop-yarn-client</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hadoop</groupId>
-      <artifactId>hadoop-common</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>commons-codec</groupId>
-      <artifactId>commons-codec</artifactId>
-      <version>1.4</version>
-    </dependency>
-    <dependency>
-      <groupId>commons-net</groupId>
-      <artifactId>commons-net</artifactId>
-      <version>3.1</version>
-    </dependency>
-    <dependency>
-      <groupId>commons-lang</groupId>
-      <artifactId>commons-lang</artifactId>
-      <version>2.5</version>
-    </dependency>
-    <dependency>
-      <groupId>commons-collections</groupId>
-      <artifactId>commons-collections</artifactId>
-      <version>3.2.1</version>
-    </dependency>
-    <dependency>
-      <groupId>commons-configuration</groupId>
-      <artifactId>commons-configuration</artifactId>
-      <version>1.6</version>
-    </dependency>
-
-    <dependency>
-      <groupId>commons-cli</groupId>
-      <artifactId>commons-cli</artifactId>
-      <version>1.2</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.commons</groupId>
-      <artifactId>commons-math</artifactId>
-      <version>2.1</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.httpcomponents</groupId>
-      <artifactId>httpclient</artifactId>
-      <version>4.3</version>
-      <scope>compile</scope>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.httpcomponents</groupId>
-      <artifactId>httpcore</artifactId>
-      <version>4.3</version>
-      <scope>compile</scope>
-    </dependency>
   </dependencies>
 
 </project>
diff --git a/asterixdb/asterix-yarn/pom.xml b/asterixdb/asterix-yarn/pom.xml
index 1350f73..a9a4a36 100644
--- a/asterixdb/asterix-yarn/pom.xml
+++ b/asterixdb/asterix-yarn/pom.xml
@@ -196,13 +196,13 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <version>4.2.2</version>
+      <version>4.5.2</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpcore</artifactId>
-      <version>4.2.2</version>
+      <version>4.4.4</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
diff --git a/hyracks-fullstack/hyracks/hyracks-api/pom.xml b/hyracks-fullstack/hyracks/hyracks-api/pom.xml
index 5f625fb..acb0f1d 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-api/pom.xml
@@ -67,7 +67,7 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <version>4.3</version>
+      <version>4.5.2</version>
       <type>jar</type>
       <scope>compile</scope>
     </dependency>
diff --git a/hyracks-fullstack/hyracks/hyracks-server/pom.xml b/hyracks-fullstack/hyracks/hyracks-server/pom.xml
index 3e739e7..ed82438 100644
--- a/hyracks-fullstack/hyracks/hyracks-server/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-server/pom.xml
@@ -147,9 +147,9 @@
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>commons-httpclient</groupId>
-      <artifactId>commons-httpclient</artifactId>
-      <version>3.0.1</version>
+      <groupId>org.apache.httpcomponents</groupId>
+      <artifactId>httpclient</artifactId>
+      <version>4.5.2</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>
diff --git a/hyracks-fullstack/hyracks/hyracks-server/src/test/java/org/apache/hyracks/server/test/NCServiceIT.java b/hyracks-fullstack/hyracks/hyracks-server/src/test/java/org/apache/hyracks/server/test/NCServiceIT.java
index 3b40ea9..13607ad 100644
--- a/hyracks-fullstack/hyracks/hyracks-server/src/test/java/org/apache/hyracks/server/test/NCServiceIT.java
+++ b/hyracks-fullstack/hyracks/hyracks-server/src/test/java/org/apache/hyracks/server/test/NCServiceIT.java
@@ -18,11 +18,19 @@
  */
 package org.apache.hyracks.server.test;
 
+import java.io.File;
+import java.io.IOException;
+import java.net.InetAddress;
+import java.util.logging.Logger;
+
 import junit.framework.Assert;
-import org.apache.commons.httpclient.HttpClient;
-import org.apache.commons.httpclient.HttpStatus;
-import org.apache.commons.httpclient.methods.GetMethod;
 import org.apache.commons.lang3.StringUtils;
+import org.apache.http.HttpResponse;
+import org.apache.http.HttpStatus;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.util.EntityUtils;
 import org.apache.hyracks.server.process.HyracksVirtualCluster;
 import org.json.JSONArray;
 import org.json.JSONObject;
@@ -30,11 +38,6 @@
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import java.io.File;
-import java.io.IOException;
-import java.net.InetAddress;
-import java.util.logging.Logger;
-
 public class NCServiceIT {
 
     private static final String TARGET_DIR = StringUtils
@@ -86,16 +89,18 @@
     }
 
     private static String getHttp(String url) throws Exception {
-        HttpClient client = new HttpClient();
-        GetMethod get = new GetMethod(url);
+        HttpClient client = HttpClients.createDefault();
+        HttpGet get = new HttpGet(url);
         int statusCode;
+        final HttpResponse httpResponse;
         try {
-            statusCode = client.executeMethod(get);
+            httpResponse = client.execute(get);
+            statusCode = httpResponse.getStatusLine().getStatusCode();
         } catch (Exception e) {
             e.printStackTrace();
             throw e;
         }
-        String response = get.getResponseBodyAsString();
+        String response = EntityUtils.toString(httpResponse.getEntity());
         if (statusCode == HttpStatus.SC_OK) {
             return response;
         } else {