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madhan pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/ranger.git


The following commit(s) were added to refs/heads/master by this push:
     new 0855b333b RANGER-5515: remove javax.servlet-api depedency in 
agents-common module (#874)
0855b333b is described below

commit 0855b333bcc728dc6e8cf1d051264e1be99dc46a
Author: Madhan Neethiraj <[email protected]>
AuthorDate: Sat Mar 14 10:02:37 2026 -0700

    RANGER-5515: remove javax.servlet-api depedency in agents-common module 
(#874)
---
 .../destination/RangerAuditServerDestination.java  |  7 +--
 agents-common/pom.xml                              |  5 --
 .../ranger/admin/client/RangerAdminRESTClient.java | 69 +++++++++++-----------
 .../contextenricher/RangerUserStoreRefresher.java  | 12 ++--
 .../process/PolicyMgrUserGroupBuilder.java         | 36 +++++------
 5 files changed, 62 insertions(+), 67 deletions(-)

diff --git 
a/agents-audit/dest-auditserver/src/main/java/org/apache/ranger/audit/destination/RangerAuditServerDestination.java
 
b/agents-audit/dest-auditserver/src/main/java/org/apache/ranger/audit/destination/RangerAuditServerDestination.java
index 62472bbb8..a79c77b42 100644
--- 
a/agents-audit/dest-auditserver/src/main/java/org/apache/ranger/audit/destination/RangerAuditServerDestination.java
+++ 
b/agents-audit/dest-auditserver/src/main/java/org/apache/ranger/audit/destination/RangerAuditServerDestination.java
@@ -24,6 +24,7 @@
 import org.apache.commons.lang3.StringUtils;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.http.HttpStatus;
 import org.apache.ranger.audit.model.AuditEventBase;
 import org.apache.ranger.audit.model.AuthzAuditEvent;
 import org.apache.ranger.audit.provider.MiscUtil;
@@ -31,8 +32,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.servlet.http.HttpServletResponse;
-
 import java.security.PrivilegedExceptionAction;
 import java.util.Collection;
 import java.util.HashMap;
@@ -209,7 +208,7 @@ private boolean sendBatch(Collection<AuditEventBase> 
events, RangerRESTClient re
             if (response != null) {
                 int status = response.getStatus();
 
-                if (status == HttpServletResponse.SC_OK) {
+                if (status == HttpStatus.SC_OK) {
                     if (LOG.isDebugEnabled()) {
                         LOG.debug("Audit batch sent successfully. {} events 
delivered. Response: {}", events.size(), response.getEntity(String.class));
                     }
@@ -228,7 +227,7 @@ private boolean sendBatch(Collection<AuditEventBase> 
events, RangerRESTClient re
 
                     LOG.error("Failed to send audit batch. HTTP status: {}, 
Response: {}", status, errorBody);
 
-                    if (status == HttpServletResponse.SC_UNAUTHORIZED) {
+                    if (status == HttpStatus.SC_UNAUTHORIZED) {
                         LOG.error("Authentication failure (401). Verify 
credentials are valid and audit server is properly configured.");
                     }
 
diff --git a/agents-common/pom.xml b/agents-common/pom.xml
index 5870af008..6961f084f 100644
--- a/agents-common/pom.xml
+++ b/agents-common/pom.xml
@@ -83,11 +83,6 @@
                 </exclusion>
             </exclusions>
         </dependency>
-        <dependency>
-            <groupId>javax.servlet</groupId>
-            <artifactId>javax.servlet-api</artifactId>
-            <version>${javax.servlet.version}</version>
-        </dependency>
         <dependency>
             <groupId>net.java.dev.jna</groupId>
             <artifactId>jna</artifactId>
diff --git 
a/agents-common/src/main/java/org/apache/ranger/admin/client/RangerAdminRESTClient.java
 
b/agents-common/src/main/java/org/apache/ranger/admin/client/RangerAdminRESTClient.java
index 7654017a6..619a01675 100644
--- 
a/agents-common/src/main/java/org/apache/ranger/admin/client/RangerAdminRESTClient.java
+++ 
b/agents-common/src/main/java/org/apache/ranger/admin/client/RangerAdminRESTClient.java
@@ -47,7 +47,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.servlet.http.HttpServletResponse;
 import javax.ws.rs.core.Cookie;
 import javax.ws.rs.core.NewCookie;
 
@@ -168,7 +167,7 @@ public ServicePolicies getServicePoliciesIfUpdated(final 
long lastKnownVersion,
 
         checkAndResetSessionCookie(response);
 
-        if (response == null || response.getStatus() == 
HttpServletResponse.SC_NOT_MODIFIED || response.getStatus() == 
HttpServletResponse.SC_NO_CONTENT) {
+        if (response == null || response.getStatus() == 
HttpStatus.SC_NOT_MODIFIED || response.getStatus() == HttpStatus.SC_NO_CONTENT) 
{
             if (response == null) {
                 LOG.error("Error getting policies; Received NULL response!!. 
secureMode={}, serviceName={}", isSecureMode, serviceName);
             } else {
@@ -179,9 +178,9 @@ public ServicePolicies getServicePoliciesIfUpdated(final 
long lastKnownVersion,
             }
 
             ret = null;
-        } else if (response.getStatus() == HttpServletResponse.SC_OK) {
+        } else if (response.getStatus() == HttpStatus.SC_OK) {
             ret = JsonUtilsV2.readResponse(response, ServicePolicies.class);
-        } else if (response.getStatus() == HttpServletResponse.SC_NOT_FOUND) {
+        } else if (response.getStatus() == HttpStatus.SC_NOT_FOUND) {
             ret = null;
 
             LOG.error("Error getting policies; service not found. 
secureMode={}, response={}, serviceName={}, lastKnownVersion={}, 
lastActivationTimeInMillis={}",
@@ -246,7 +245,7 @@ public RangerRoles getRolesIfUpdated(final long 
lastKnownRoleVersion, final long
 
         checkAndResetSessionCookie(response);
 
-        if (response == null || response.getStatus() == 
HttpServletResponse.SC_NOT_MODIFIED || response.getStatus() == 
HttpServletResponse.SC_NO_CONTENT) {
+        if (response == null || response.getStatus() == 
HttpStatus.SC_NOT_MODIFIED || response.getStatus() == HttpStatus.SC_NO_CONTENT) 
{
             if (response == null) {
                 LOG.error("Error getting Roles; Received NULL response!!. 
secureMode={}, serviceName={}", isSecureMode, serviceName);
             } else {
@@ -257,9 +256,9 @@ public RangerRoles getRolesIfUpdated(final long 
lastKnownRoleVersion, final long
             }
 
             ret = null;
-        } else if (response.getStatus() == HttpServletResponse.SC_OK) {
+        } else if (response.getStatus() == HttpStatus.SC_OK) {
             ret = JsonUtilsV2.readResponse(response, RangerRoles.class);
-        } else if (response.getStatus() == HttpServletResponse.SC_NOT_FOUND) {
+        } else if (response.getStatus() == HttpStatus.SC_NOT_FOUND) {
             ret = null;
 
             LOG.error("Error getting Roles; service not found. secureMode={}, 
response={}, serviceName={}, lastKnownRoleVersion={}, 
lastActivationTimeInMillis={}",
@@ -315,12 +314,12 @@ public RangerRole createRole(final RangerRole request) 
throws Exception {
 
         checkAndResetSessionCookie(response);
 
-        if (response != null && response.getStatus() != 
HttpServletResponse.SC_OK) {
+        if (response != null && response.getStatus() != HttpStatus.SC_OK) {
             RESTResponse resp = RESTResponse.fromClientResponse(response);
 
             LOG.error("createRole() failed: HTTP status={}, message={}, 
isSecure={}{}", response.getStatus(), resp.getMessage(), isSecureMode);
 
-            if (response.getStatus() == HttpServletResponse.SC_UNAUTHORIZED) {
+            if (response.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                 throw new AccessControlException();
             }
 
@@ -370,12 +369,12 @@ public void dropRole(final String execUser, final String 
roleName) throws Except
 
         if (response == null) {
             throw new Exception("unknown error during deleteRole. roleName=" + 
roleName);
-        } else if (response.getStatus() != HttpServletResponse.SC_OK && 
response.getStatus() != HttpServletResponse.SC_NO_CONTENT) {
+        } else if (response.getStatus() != HttpStatus.SC_OK && 
response.getStatus() != HttpStatus.SC_NO_CONTENT) {
             RESTResponse resp = RESTResponse.fromClientResponse(response);
 
             LOG.error("createRole() failed: HTTP status={}, message={}, 
isSecure={}", response.getStatus(), resp.getMessage(), isSecureMode);
 
-            if (response.getStatus() == HttpServletResponse.SC_UNAUTHORIZED) {
+            if (response.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                 throw new AccessControlException();
             }
 
@@ -420,12 +419,12 @@ public List<String> getAllRoles(final String execUser) 
throws Exception {
         List<String> ret;
 
         if (response != null) {
-            if (response.getStatus() != HttpServletResponse.SC_OK) {
+            if (response.getStatus() != HttpStatus.SC_OK) {
                 RESTResponse resp = RESTResponse.fromClientResponse(response);
 
                 LOG.error("getAllRoles() failed: HTTP status={}, message={}, 
isSecure={}", response.getStatus(), resp.getMessage(),  isSecureMode);
 
-                if (response.getStatus() == 
HttpServletResponse.SC_UNAUTHORIZED) {
+                if (response.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                     throw new AccessControlException();
                 }
 
@@ -472,12 +471,12 @@ public List<String> getUserRoles(final String execUser) 
throws Exception {
         List<String> ret;
 
         if (response != null) {
-            if (response.getStatus() != HttpServletResponse.SC_OK) {
+            if (response.getStatus() != HttpStatus.SC_OK) {
                 RESTResponse resp = RESTResponse.fromClientResponse(response);
 
                 LOG.error("getUserRoles() failed: HTTP status={}, message={}, 
isSecure={}", response.getStatus(), resp.getMessage(), isSecureMode);
 
-                if (response.getStatus() == 
HttpServletResponse.SC_UNAUTHORIZED) {
+                if (response.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                     throw new AccessControlException();
                 }
 
@@ -528,12 +527,12 @@ public RangerRole getRole(final String execUser, final 
String roleName) throws E
         RangerRole ret;
 
         if (response != null) {
-            if (response.getStatus() != HttpServletResponse.SC_OK) {
+            if (response.getStatus() != HttpStatus.SC_OK) {
                 RESTResponse resp = RESTResponse.fromClientResponse(response);
 
                 LOG.error("getRole() failed: HTTP status={}, message={}, 
isSecure={}", response.getStatus(), resp.getMessage(), isSecureMode);
 
-                if (response.getStatus() == 
HttpServletResponse.SC_UNAUTHORIZED) {
+                if (response.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                     throw new AccessControlException();
                 }
 
@@ -577,12 +576,12 @@ public void grantRole(final GrantRevokeRoleRequest 
request) throws Exception {
 
         checkAndResetSessionCookie(response);
 
-        if (response != null && response.getStatus() != 
HttpServletResponse.SC_OK) {
+        if (response != null && response.getStatus() != HttpStatus.SC_OK) {
             RESTResponse resp = RESTResponse.fromClientResponse(response);
 
             LOG.error("grantRole() failed: HTTP status={}, message={}, 
isSecure={}", response.getStatus(), resp.getMessage(), isSecureMode);
 
-            if (response.getStatus() == HttpServletResponse.SC_UNAUTHORIZED) {
+            if (response.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                 throw new AccessControlException();
             }
 
@@ -621,12 +620,12 @@ public void revokeRole(final GrantRevokeRoleRequest 
request) throws Exception {
 
         checkAndResetSessionCookie(response);
 
-        if (response != null && response.getStatus() != 
HttpServletResponse.SC_OK) {
+        if (response != null && response.getStatus() != HttpStatus.SC_OK) {
             RESTResponse resp = RESTResponse.fromClientResponse(response);
 
             LOG.error("revokeRole() failed: HTTP status={}, message={}, 
isSecure={}", response.getStatus(), resp.getMessage(), isSecureMode);
 
-            if (response.getStatus() == HttpServletResponse.SC_UNAUTHORIZED) {
+            if (response.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                 throw new AccessControlException();
             }
 
@@ -672,12 +671,12 @@ public void grantAccess(final GrantRevokeRequest request) 
throws Exception {
 
         checkAndResetSessionCookie(response);
 
-        if (response != null && response.getStatus() != 
HttpServletResponse.SC_OK) {
+        if (response != null && response.getStatus() != HttpStatus.SC_OK) {
             RESTResponse resp = RESTResponse.fromClientResponse(response);
 
             LOG.error("grantAccess() failed: HTTP status={}, message={}, 
isSecure={}", response.getStatus(), resp.getMessage(), isSecureMode);
 
-            if (response.getStatus() == HttpServletResponse.SC_UNAUTHORIZED) {
+            if (response.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                 throw new AccessControlException();
             }
 
@@ -723,12 +722,12 @@ public void revokeAccess(final GrantRevokeRequest 
request) throws Exception {
 
         checkAndResetSessionCookie(response);
 
-        if (response != null && response.getStatus() != 
HttpServletResponse.SC_OK) {
+        if (response != null && response.getStatus() != HttpStatus.SC_OK) {
             RESTResponse resp = RESTResponse.fromClientResponse(response);
 
             LOG.error("revokeAccess() failed: HTTP status={}, message={}, 
isSecure={}", response.getStatus(), resp.getMessage(), isSecureMode);
 
-            if (response.getStatus() == HttpServletResponse.SC_UNAUTHORIZED) {
+            if (response.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                 throw new AccessControlException();
             }
 
@@ -780,7 +779,7 @@ public ServiceTags getServiceTagsIfUpdated(final long 
lastKnownVersion, final lo
 
         final ServiceTags ret;
 
-        if (response == null || response.getStatus() == 
HttpServletResponse.SC_NOT_MODIFIED) {
+        if (response == null || response.getStatus() == 
HttpStatus.SC_NOT_MODIFIED) {
             if (response == null) {
                 LOG.error("Error getting tags; Received NULL response!!. 
secureMode={}, serviceName={}", isSecureMode, serviceName);
             } else {
@@ -791,9 +790,9 @@ public ServiceTags getServiceTagsIfUpdated(final long 
lastKnownVersion, final lo
             }
 
             ret = null;
-        } else if (response.getStatus() == HttpServletResponse.SC_OK) {
+        } else if (response.getStatus() == HttpStatus.SC_OK) {
             ret = JsonUtilsV2.readResponse(response, ServiceTags.class);
-        } else if (response.getStatus() == HttpServletResponse.SC_NOT_FOUND) {
+        } else if (response.getStatus() == HttpStatus.SC_NOT_FOUND) {
             ret = null;
 
             LOG.error("Error getting tags; service not found. secureMode={}, 
response={}, serviceName={}, lastKnownVersion={}, 
lastActivationTimeInMillis={}",
@@ -851,7 +850,7 @@ public List<String> getTagTypes(String pattern) throws 
Exception {
 
         List<String> ret;
 
-        if (response != null && response.getStatus() == 
HttpServletResponse.SC_OK) {
+        if (response != null && response.getStatus() == HttpStatus.SC_OK) {
             ret = JsonUtilsV2.readResponse(response, TYPE_LIST_STRING);
         } else {
             RESTResponse resp = RESTResponse.fromClientResponse(response);
@@ -908,7 +907,7 @@ public RangerUserStore getUserStoreIfUpdated(long 
lastKnownUserStoreVersion, lon
 
         final RangerUserStore ret;
 
-        if (response == null || response.getStatus() == 
HttpServletResponse.SC_NOT_MODIFIED) {
+        if (response == null || response.getStatus() == 
HttpStatus.SC_NOT_MODIFIED) {
             if (response == null) {
                 LOG.error("Error getting UserStore; Received NULL response!!. 
secureMode={}, serviceName={}", isSecureMode, serviceName);
             } else {
@@ -919,9 +918,9 @@ public RangerUserStore getUserStoreIfUpdated(long 
lastKnownUserStoreVersion, lon
             }
 
             ret = null;
-        } else if (response.getStatus() == HttpServletResponse.SC_OK) {
+        } else if (response.getStatus() == HttpStatus.SC_OK) {
             ret = JsonUtilsV2.readResponse(response, RangerUserStore.class);
-        } else if (response.getStatus() == HttpServletResponse.SC_NOT_FOUND) {
+        } else if (response.getStatus() == HttpStatus.SC_NOT_FOUND) {
             ret = null;
 
             LOG.error("Error getting UserStore; service not found. 
secureMode={}, response={}, serviceName={}, lastKnownUserStoreVersion={}, 
lastActivationTimeInMillis={}",
@@ -989,16 +988,16 @@ public ServiceGdsInfo getGdsInfoIfUpdated(long 
lastKnownVersion, long lastActiva
             ret = null;
 
             LOG.error("Error getting GdsInfo - received NULL response: 
secureMode={}, serviceName={}", isSecureMode, serviceName);
-        } else if (response.getStatus() == 
HttpServletResponse.SC_NOT_MODIFIED) {
+        } else if (response.getStatus() == HttpStatus.SC_NOT_MODIFIED) {
             ret = null;
 
             RESTResponse resp = RESTResponse.fromClientResponse(response);
 
             LOG.debug("No change in GdsInfo: secureMode={}, response={}, 
serviceName={}, lastKnownGdsVersion={}, lastActivationTimeInMillis={}",
                     isSecureMode, resp, serviceName, lastKnownVersion, 
lastActivationTimeInMillis);
-        } else if (response.getStatus() == HttpServletResponse.SC_OK) {
+        } else if (response.getStatus() == HttpStatus.SC_OK) {
             ret = JsonUtilsV2.readResponse(response, ServiceGdsInfo.class);
-        } else if (response.getStatus() == HttpServletResponse.SC_NOT_FOUND) {
+        } else if (response.getStatus() == HttpStatus.SC_NOT_FOUND) {
             ret = null;
 
             LOG.error("Error getting GdsInfo - service not found: 
secureMode={}, response={}, serviceName={}, 
lastKnownGdsVersion={},lastActivationTimeInMillis={}",
diff --git 
a/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerUserStoreRefresher.java
 
b/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerUserStoreRefresher.java
index 37f43a97d..7798062d8 100644
--- 
a/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerUserStoreRefresher.java
+++ 
b/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerUserStoreRefresher.java
@@ -34,8 +34,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.servlet.http.HttpServletResponse;
-
 import java.io.File;
 import java.io.FileReader;
 import java.io.FileWriter;
@@ -47,6 +45,10 @@
 import java.util.Map;
 import java.util.concurrent.BlockingQueue;
 
+import static org.apache.http.HttpStatus.SC_NOT_FOUND;
+import static org.apache.http.HttpStatus.SC_NOT_MODIFIED;
+import static org.apache.http.HttpStatus.SC_OK;
+
 public class RangerUserStoreRefresher extends Thread {
     private static final Logger LOG                     = 
LoggerFactory.getLogger(RangerUserStoreRefresher.class);
     private static final Logger PERF_REFRESHER_INIT_LOG = 
RangerPerfTracer.getPerfLogger("userstore.init");
@@ -378,7 +380,7 @@ private RangerUserStore getUserStoreIfUpdated(long 
lastKnownUserStoreVersion, lo
 
         final RangerUserStore ret;
 
-        if (response == null || response.getStatus() == 
HttpServletResponse.SC_NOT_MODIFIED) {
+        if (response == null || response.getStatus() == SC_NOT_MODIFIED) {
             if (response == null) {
                 LOG.error("Error getting UserStore; Received NULL response!!. 
secureMode={}, user={}", isSecureMode, user);
             } else {
@@ -389,9 +391,9 @@ private RangerUserStore getUserStoreIfUpdated(long 
lastKnownUserStoreVersion, lo
             }
 
             ret = null;
-        } else if (response.getStatus() == HttpServletResponse.SC_OK) {
+        } else if (response.getStatus() == SC_OK) {
             ret = JsonUtilsV2.readResponse(response, RangerUserStore.class);
-        } else if (response.getStatus() == HttpServletResponse.SC_NOT_FOUND) {
+        } else if (response.getStatus() == SC_NOT_FOUND) {
             ret = null;
 
             LOG.error("Error getting UserStore; service not found. 
secureMode={}, user={}, response={}, lastKnownUserStoreVersion={}, 
lastActivationTimeInMillis={}",
diff --git 
a/ugsync/src/main/java/org/apache/ranger/unixusersync/process/PolicyMgrUserGroupBuilder.java
 
b/ugsync/src/main/java/org/apache/ranger/unixusersync/process/PolicyMgrUserGroupBuilder.java
index 5ee556fcd..7977e9b07 100644
--- 
a/ugsync/src/main/java/org/apache/ranger/unixusersync/process/PolicyMgrUserGroupBuilder.java
+++ 
b/ugsync/src/main/java/org/apache/ranger/unixusersync/process/PolicyMgrUserGroupBuilder.java
@@ -24,6 +24,7 @@
 import org.apache.commons.collections.MapUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.hadoop.security.SecureClientLogin;
+import org.apache.http.HttpStatus;
 import org.apache.ranger.authorization.utils.JsonUtils;
 import org.apache.ranger.ugsyncutil.model.GroupUserInfo;
 import org.apache.ranger.ugsyncutil.model.UgsyncAuditInfo;
@@ -40,7 +41,6 @@
 import org.slf4j.LoggerFactory;
 
 import javax.security.auth.Subject;
-import javax.servlet.http.HttpServletResponse;
 import javax.ws.rs.core.Cookie;
 import javax.ws.rs.core.NewCookie;
 
@@ -1439,14 +1439,14 @@ private String tryUploadEntityWithCookie(Object obj, 
String apiURL) {
 
         if (clientResp != null) {
             if (!(clientResp.toString().contains(apiURL))) {
-                clientResp.setStatus(HttpServletResponse.SC_NOT_FOUND);
+                clientResp.setStatus(HttpStatus.SC_NOT_FOUND);
 
                 sessionId           = null;
                 isValidRangerCookie = false;
-            } else if (clientResp.getStatus() == 
HttpServletResponse.SC_UNAUTHORIZED) {
+            } else if (clientResp.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                 sessionId           = null;
                 isValidRangerCookie = false;
-            } else if (clientResp.getStatus() == 
HttpServletResponse.SC_NO_CONTENT || clientResp.getStatus() == 
HttpServletResponse.SC_OK) {
+            } else if (clientResp.getStatus() == HttpStatus.SC_NO_CONTENT || 
clientResp.getStatus() == HttpStatus.SC_OK) {
                 List<NewCookie> respCookieList = clientResp.getCookies();
 
                 for (NewCookie cookie : respCookieList) {
@@ -1461,8 +1461,8 @@ private String tryUploadEntityWithCookie(Object obj, 
String apiURL) {
                 }
             }
 
-            if (clientResp.getStatus() != HttpServletResponse.SC_OK && 
clientResp.getStatus() != HttpServletResponse.SC_NO_CONTENT
-                    && clientResp.getStatus() != 
HttpServletResponse.SC_BAD_REQUEST) {
+            if (clientResp.getStatus() != HttpStatus.SC_OK && 
clientResp.getStatus() != HttpStatus.SC_NO_CONTENT
+                    && clientResp.getStatus() != HttpStatus.SC_BAD_REQUEST) {
                 sessionId           = null;
                 isValidRangerCookie = false;
             }
@@ -1493,10 +1493,10 @@ private String tryUploadEntityWithCred(Object obj, 
String apiURL) {
 
         if (clientResp != null) {
             if (!(clientResp.toString().contains(apiURL))) {
-                clientResp.setStatus(HttpServletResponse.SC_NOT_FOUND);
-            } else if (clientResp.getStatus() == 
HttpServletResponse.SC_UNAUTHORIZED) {
+                clientResp.setStatus(HttpStatus.SC_NOT_FOUND);
+            } else if (clientResp.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                 LOG.warn("Credentials response from ranger is 401.");
-            } else if (clientResp.getStatus() == HttpServletResponse.SC_OK || 
clientResp.getStatus() == HttpServletResponse.SC_NO_CONTENT) {
+            } else if (clientResp.getStatus() == HttpStatus.SC_OK || 
clientResp.getStatus() == HttpStatus.SC_NO_CONTENT) {
                 cookieList = clientResp.getCookies();
 
                 for (NewCookie cookie : cookieList) {
@@ -1511,7 +1511,7 @@ private String tryUploadEntityWithCred(Object obj, String 
apiURL) {
                 }
             }
 
-            if (clientResp.getStatus() != HttpServletResponse.SC_OK && 
clientResp.getStatus() != HttpServletResponse.SC_NO_CONTENT && 
clientResp.getStatus() != HttpServletResponse.SC_BAD_REQUEST) {
+            if (clientResp.getStatus() != HttpStatus.SC_OK && 
clientResp.getStatus() != HttpStatus.SC_NO_CONTENT && clientResp.getStatus() != 
HttpStatus.SC_BAD_REQUEST) {
                 sessionId           = null;
                 isValidRangerCookie = false;
             }
@@ -1544,10 +1544,10 @@ private String tryGetEntityWithCred(String apiURL, int 
retrievedCount) {
 
         if (clientResp != null) {
             if (!(clientResp.toString().contains(apiURL))) {
-                clientResp.setStatus(HttpServletResponse.SC_NOT_FOUND);
-            } else if (clientResp.getStatus() == 
HttpServletResponse.SC_UNAUTHORIZED) {
+                clientResp.setStatus(HttpStatus.SC_NOT_FOUND);
+            } else if (clientResp.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                 LOG.warn("Credentials response from ranger is 401.");
-            } else if (clientResp.getStatus() == HttpServletResponse.SC_OK || 
clientResp.getStatus() == HttpServletResponse.SC_NO_CONTENT) {
+            } else if (clientResp.getStatus() == HttpStatus.SC_OK || 
clientResp.getStatus() == HttpStatus.SC_NO_CONTENT) {
                 cookieList = clientResp.getCookies();
 
                 for (NewCookie cookie : cookieList) {
@@ -1562,7 +1562,7 @@ private String tryGetEntityWithCred(String apiURL, int 
retrievedCount) {
                 }
             }
 
-            if (clientResp.getStatus() != HttpServletResponse.SC_OK && 
clientResp.getStatus() != HttpServletResponse.SC_NO_CONTENT && 
clientResp.getStatus() != HttpServletResponse.SC_BAD_REQUEST) {
+            if (clientResp.getStatus() != HttpStatus.SC_OK && 
clientResp.getStatus() != HttpStatus.SC_NO_CONTENT && clientResp.getStatus() != 
HttpStatus.SC_BAD_REQUEST) {
                 sessionId           = null;
                 isValidRangerCookie = false;
             }
@@ -1595,14 +1595,14 @@ private String tryGetEntityWithCookie(String apiURL, 
int retrievedCount) {
 
         if (clientResp != null) {
             if (!(clientResp.toString().contains(apiURL))) {
-                clientResp.setStatus(HttpServletResponse.SC_NOT_FOUND);
+                clientResp.setStatus(HttpStatus.SC_NOT_FOUND);
 
                 sessionId           = null;
                 isValidRangerCookie = false;
-            } else if (clientResp.getStatus() == 
HttpServletResponse.SC_UNAUTHORIZED) {
+            } else if (clientResp.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                 sessionId           = null;
                 isValidRangerCookie = false;
-            } else if (clientResp.getStatus() == 
HttpServletResponse.SC_NO_CONTENT || clientResp.getStatus() == 
HttpServletResponse.SC_OK) {
+            } else if (clientResp.getStatus() == HttpStatus.SC_NO_CONTENT || 
clientResp.getStatus() == HttpStatus.SC_OK) {
                 List<NewCookie> respCookieList = clientResp.getCookies();
 
                 for (NewCookie cookie : respCookieList) {
@@ -1617,7 +1617,7 @@ private String tryGetEntityWithCookie(String apiURL, int 
retrievedCount) {
                 }
             }
 
-            if (clientResp.getStatus() != HttpServletResponse.SC_OK && 
clientResp.getStatus() != HttpServletResponse.SC_NO_CONTENT && 
clientResp.getStatus() != HttpServletResponse.SC_BAD_REQUEST) {
+            if (clientResp.getStatus() != HttpStatus.SC_OK && 
clientResp.getStatus() != HttpStatus.SC_NO_CONTENT && clientResp.getStatus() != 
HttpStatus.SC_BAD_REQUEST) {
                 sessionId           = null;
                 isValidRangerCookie = false;
             }

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