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Posted to commits@sqoop.apache.org by ja...@apache.org on 2015/08/25 18:09:36 UTC

sqoop git commit: SQOOP-2523: Sqoop2: Findbugs: Fix warning in server module

Repository: sqoop
Updated Branches:
  refs/heads/sqoop2 9f076edb0 -> 4014c7fbf


SQOOP-2523: Sqoop2: Findbugs: Fix warning in server module

(Colin Ma via Jarek Jarcec Cecho)


Project: http://git-wip-us.apache.org/repos/asf/sqoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/sqoop/commit/4014c7fb
Tree: http://git-wip-us.apache.org/repos/asf/sqoop/tree/4014c7fb
Diff: http://git-wip-us.apache.org/repos/asf/sqoop/diff/4014c7fb

Branch: refs/heads/sqoop2
Commit: 4014c7fbf3d833fb8f933c2de1298a822b30b0f8
Parents: 9f076ed
Author: Jarek Jarcec Cecho <ja...@apache.org>
Authored: Tue Aug 25 09:09:12 2015 -0700
Committer: Jarek Jarcec Cecho <ja...@apache.org>
Committed: Tue Aug 25 09:09:12 2015 -0700

----------------------------------------------------------------------
 common/src/main/java/org/apache/sqoop/json/VersionBean.java    | 2 +-
 .../org/apache/sqoop/handler/AuthorizationRequestHandler.java  | 2 +-
 .../java/org/apache/sqoop/handler/ConnectorRequestHandler.java | 1 +
 .../java/org/apache/sqoop/handler/DriverRequestHandler.java    | 1 +
 .../src/main/java/org/apache/sqoop/handler/HandlerUtils.java   | 6 +++---
 .../main/java/org/apache/sqoop/handler/JobRequestHandler.java  | 1 +
 .../main/java/org/apache/sqoop/handler/LinkRequestHandler.java | 1 +
 .../org/apache/sqoop/handler/SubmissionRequestHandler.java     | 4 ++--
 .../java/org/apache/sqoop/handler/VersionRequestHandler.java   | 1 +
 .../src/main/java/org/apache/sqoop/server/RequestHandler.java  | 2 +-
 .../java/org/apache/sqoop/server/SqoopProtocolServlet.java     | 1 +
 .../src/main/java/org/apache/sqoop/server/VersionServlet.java  | 1 +
 .../java/org/apache/sqoop/server/v1/AuthorizationServlet.java  | 1 +
 .../java/org/apache/sqoop/server/v1/ConfigurableServlet.java   | 1 +
 .../main/java/org/apache/sqoop/server/v1/ConnectorServlet.java | 1 +
 .../java/org/apache/sqoop/server/v1/ConnectorsServlet.java     | 1 +
 .../main/java/org/apache/sqoop/server/v1/DriverServlet.java    | 2 ++
 .../src/main/java/org/apache/sqoop/server/v1/JobServlet.java   | 1 +
 .../src/main/java/org/apache/sqoop/server/v1/JobsServlet.java  | 1 +
 .../src/main/java/org/apache/sqoop/server/v1/LinkServlet.java  | 1 +
 .../src/main/java/org/apache/sqoop/server/v1/LinksServlet.java | 1 +
 .../java/org/apache/sqoop/server/v1/SubmissionsServlet.java    | 1 +
 22 files changed, 26 insertions(+), 8 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/common/src/main/java/org/apache/sqoop/json/VersionBean.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/sqoop/json/VersionBean.java b/common/src/main/java/org/apache/sqoop/json/VersionBean.java
index c43d944..2d5327a 100644
--- a/common/src/main/java/org/apache/sqoop/json/VersionBean.java
+++ b/common/src/main/java/org/apache/sqoop/json/VersionBean.java
@@ -24,7 +24,7 @@ import org.json.simple.JSONObject;
 
 @InterfaceAudience.Private
 @InterfaceStability.Unstable
-public class VersionBean implements JsonBean {
+public class VersionBean implements JsonBean, java.io.Serializable {
 
   public static final String BUILD_VERSION = "build-version";
   public static final String SOURCE_REVISION = "source-revision";

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/handler/AuthorizationRequestHandler.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/handler/AuthorizationRequestHandler.java b/server/src/main/java/org/apache/sqoop/handler/AuthorizationRequestHandler.java
index bdac1de..43f0417 100644
--- a/server/src/main/java/org/apache/sqoop/handler/AuthorizationRequestHandler.java
+++ b/server/src/main/java/org/apache/sqoop/handler/AuthorizationRequestHandler.java
@@ -40,7 +40,7 @@ import java.io.IOException;
 import java.util.List;
 
 public class AuthorizationRequestHandler implements RequestHandler {
-
+  private static final long serialVersionUID = 1L;
   /**
    * enum for representing the actions supported on the authorization
    */

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/handler/ConnectorRequestHandler.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/handler/ConnectorRequestHandler.java b/server/src/main/java/org/apache/sqoop/handler/ConnectorRequestHandler.java
index 7c428b8..23f6c63 100644
--- a/server/src/main/java/org/apache/sqoop/handler/ConnectorRequestHandler.java
+++ b/server/src/main/java/org/apache/sqoop/handler/ConnectorRequestHandler.java
@@ -40,6 +40,7 @@ import org.apache.sqoop.server.RequestHandler;
 import org.apache.sqoop.server.common.ServerError;
 
 public class ConnectorRequestHandler implements RequestHandler {
+  private static final long serialVersionUID = 1L;
 
   private static final Logger LOG = Logger.getLogger(ConnectorRequestHandler.class);
 

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/handler/DriverRequestHandler.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/handler/DriverRequestHandler.java b/server/src/main/java/org/apache/sqoop/handler/DriverRequestHandler.java
index 81efb89..95a3291 100644
--- a/server/src/main/java/org/apache/sqoop/handler/DriverRequestHandler.java
+++ b/server/src/main/java/org/apache/sqoop/handler/DriverRequestHandler.java
@@ -29,6 +29,7 @@ import org.apache.sqoop.server.RequestContext.Method;
 import org.apache.sqoop.server.common.ServerError;
 
 public class DriverRequestHandler implements RequestHandler {
+  private static final long serialVersionUID = 1L;
 
   private static final Logger LOG =
       Logger.getLogger(DriverRequestHandler.class);

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/handler/HandlerUtils.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/handler/HandlerUtils.java b/server/src/main/java/org/apache/sqoop/handler/HandlerUtils.java
index 68b1300..5fcde52 100644
--- a/server/src/main/java/org/apache/sqoop/handler/HandlerUtils.java
+++ b/server/src/main/java/org/apache/sqoop/handler/HandlerUtils.java
@@ -38,7 +38,7 @@ public class HandlerUtils {
       jobId = job.getPersistenceId();
     } else {
       try {
-        jobId = Long.valueOf(identifier);
+        jobId = Long.parseLong(identifier);
       } catch (NumberFormatException ex) {
         // this means name nor Id existed and we want to throw a user friendly
         // message than a number format exception
@@ -60,7 +60,7 @@ public class HandlerUtils {
       linkId = link.getPersistenceId();
     } else {
       try {
-        linkId = Long.valueOf(identifier);
+        linkId = Long.parseLong(identifier);
       } catch (NumberFormatException ex) {
         // this means name nor Id existed and we want to throw a user friendly
         // message than a number format exception
@@ -79,7 +79,7 @@ public class HandlerUtils {
       connectorId = connector.getPersistenceId();
     } else {
       try {
-        connectorId = Long.valueOf(identifier);
+        connectorId = Long.parseLong(identifier);
       } catch (NumberFormatException ex) {
         // this means name nor Id existed and we want to throw a user friendly
         // message than a number format exception

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/handler/JobRequestHandler.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/handler/JobRequestHandler.java b/server/src/main/java/org/apache/sqoop/handler/JobRequestHandler.java
index 7f8ddbd..13ebb35 100644
--- a/server/src/main/java/org/apache/sqoop/handler/JobRequestHandler.java
+++ b/server/src/main/java/org/apache/sqoop/handler/JobRequestHandler.java
@@ -57,6 +57,7 @@ import org.apache.sqoop.validation.Status;
 import org.json.simple.JSONObject;
 
 public class JobRequestHandler implements RequestHandler {
+  private static final long serialVersionUID = 1L;
 
   /** enum for representing the actions supported on the job resource*/
   enum JobAction {

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/handler/LinkRequestHandler.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/handler/LinkRequestHandler.java b/server/src/main/java/org/apache/sqoop/handler/LinkRequestHandler.java
index 8a6beb8..aa7e5ff 100644
--- a/server/src/main/java/org/apache/sqoop/handler/LinkRequestHandler.java
+++ b/server/src/main/java/org/apache/sqoop/handler/LinkRequestHandler.java
@@ -48,6 +48,7 @@ import org.apache.sqoop.validation.ConfigValidationResult;
 import org.json.simple.JSONObject;
 
 public class LinkRequestHandler implements RequestHandler {
+  private static final long serialVersionUID = 1L;
 
   private static final Logger LOG = Logger.getLogger(LinkRequestHandler.class);
 

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/handler/SubmissionRequestHandler.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/handler/SubmissionRequestHandler.java b/server/src/main/java/org/apache/sqoop/handler/SubmissionRequestHandler.java
index 5c349a2..f2a6758 100644
--- a/server/src/main/java/org/apache/sqoop/handler/SubmissionRequestHandler.java
+++ b/server/src/main/java/org/apache/sqoop/handler/SubmissionRequestHandler.java
@@ -33,6 +33,7 @@ import org.apache.sqoop.server.RequestHandler;
 import org.apache.sqoop.server.common.ServerError;
 
 public class SubmissionRequestHandler implements RequestHandler {
+  private static final long serialVersionUID = 1L;
 
   private static final Logger LOG = Logger.getLogger(SubmissionRequestHandler.class);
 
@@ -48,11 +49,10 @@ public class SubmissionRequestHandler implements RequestHandler {
       throw new SqoopException(ServerError.SERVER_0002, "Unsupported HTTP method for connector:"
           + ctx.getMethod());
     }
-    String jobIdentifier = ctx.getLastURLElement();
     // submissions per job are ordered by update time
     // hence the latest submission is on the top
     if (ctx.getParameterValue(JOB_NAME_QUERY_PARAM) != null) {
-      jobIdentifier = ctx.getParameterValue(JOB_NAME_QUERY_PARAM);
+      String jobIdentifier = ctx.getParameterValue(JOB_NAME_QUERY_PARAM);
       AuditLoggerManager.getInstance().logAuditEvent(ctx.getUserName(),
           ctx.getRequest().getRemoteAddr(), "get", "submissionsByJob", jobIdentifier);
         long jobId = HandlerUtils.getJobIdFromIdentifier(jobIdentifier);

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/handler/VersionRequestHandler.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/handler/VersionRequestHandler.java b/server/src/main/java/org/apache/sqoop/handler/VersionRequestHandler.java
index 2eaa0ac..588218b 100644
--- a/server/src/main/java/org/apache/sqoop/handler/VersionRequestHandler.java
+++ b/server/src/main/java/org/apache/sqoop/handler/VersionRequestHandler.java
@@ -34,6 +34,7 @@ import org.apache.sqoop.server.common.ServerError;
  * Get server version and supported protocol versions.
  */
 public class VersionRequestHandler implements RequestHandler {
+  private static final long serialVersionUID = 1L;
 
   private static final Logger LOG =
       Logger.getLogger(VersionRequestHandler.class);

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/server/RequestHandler.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/server/RequestHandler.java b/server/src/main/java/org/apache/sqoop/server/RequestHandler.java
index 02eb837..d66f867 100644
--- a/server/src/main/java/org/apache/sqoop/server/RequestHandler.java
+++ b/server/src/main/java/org/apache/sqoop/server/RequestHandler.java
@@ -20,7 +20,7 @@ package org.apache.sqoop.server;
 
 import org.apache.sqoop.json.JsonBean;
 
-public interface RequestHandler {
+public interface RequestHandler extends java.io.Serializable {
 
   static final String CONNECTOR_NAME_QUERY_PARAM = "cname";
   static final String JOB_NAME_QUERY_PARAM = "jname";

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/server/SqoopProtocolServlet.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/server/SqoopProtocolServlet.java b/server/src/main/java/org/apache/sqoop/server/SqoopProtocolServlet.java
index 6b76b0b..92bdc9c 100644
--- a/server/src/main/java/org/apache/sqoop/server/SqoopProtocolServlet.java
+++ b/server/src/main/java/org/apache/sqoop/server/SqoopProtocolServlet.java
@@ -35,6 +35,7 @@ import org.apache.sqoop.json.JsonBean;
 
 @SuppressWarnings("serial")
 public class SqoopProtocolServlet extends HttpServlet {
+  private static final long serialVersionUID = 1L;
 
   private static final Logger LOG =
       Logger.getLogger(SqoopProtocolServlet.class);

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/server/VersionServlet.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/server/VersionServlet.java b/server/src/main/java/org/apache/sqoop/server/VersionServlet.java
index a62c9ce..4fef797 100644
--- a/server/src/main/java/org/apache/sqoop/server/VersionServlet.java
+++ b/server/src/main/java/org/apache/sqoop/server/VersionServlet.java
@@ -26,6 +26,7 @@ import org.apache.sqoop.json.JsonBean;
  */
 @SuppressWarnings("serial")
 public class VersionServlet extends SqoopProtocolServlet {
+  private static final long serialVersionUID = 1L;
 
   private RequestHandler versionRequestHandler;
 

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/server/v1/AuthorizationServlet.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/server/v1/AuthorizationServlet.java b/server/src/main/java/org/apache/sqoop/server/v1/AuthorizationServlet.java
index 162fbee..bf71aab 100644
--- a/server/src/main/java/org/apache/sqoop/server/v1/AuthorizationServlet.java
+++ b/server/src/main/java/org/apache/sqoop/server/v1/AuthorizationServlet.java
@@ -63,6 +63,7 @@ import org.apache.sqoop.server.SqoopProtocolServlet;
  */
 @SuppressWarnings("serial")
 public class AuthorizationServlet extends SqoopProtocolServlet {
+  private static final long serialVersionUID = 1L;
 
   private RequestHandler authorizationRequestHandler;
 

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/server/v1/ConfigurableServlet.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/server/v1/ConfigurableServlet.java b/server/src/main/java/org/apache/sqoop/server/v1/ConfigurableServlet.java
index c2aaeda..4263701 100644
--- a/server/src/main/java/org/apache/sqoop/server/v1/ConfigurableServlet.java
+++ b/server/src/main/java/org/apache/sqoop/server/v1/ConfigurableServlet.java
@@ -35,6 +35,7 @@ import org.apache.sqoop.server.SqoopProtocolServlet;
  */
 @SuppressWarnings("serial")
 public class ConfigurableServlet extends SqoopProtocolServlet {
+  private static final long serialVersionUID = 1L;
 
   private RequestHandler configurableRequestHandler;
   private static String CONNECTOR_CONFIGURABLE = "connector";

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/server/v1/ConnectorServlet.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/server/v1/ConnectorServlet.java b/server/src/main/java/org/apache/sqoop/server/v1/ConnectorServlet.java
index 2bc06ac..5daebc1 100644
--- a/server/src/main/java/org/apache/sqoop/server/v1/ConnectorServlet.java
+++ b/server/src/main/java/org/apache/sqoop/server/v1/ConnectorServlet.java
@@ -37,6 +37,7 @@ import org.apache.sqoop.server.SqoopProtocolServlet;
  */
 @SuppressWarnings("serial")
 public class ConnectorServlet extends SqoopProtocolServlet {
+  private static final long serialVersionUID = 1L;
 
   private RequestHandler connectorRequestHandler;
 

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/server/v1/ConnectorsServlet.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/server/v1/ConnectorsServlet.java b/server/src/main/java/org/apache/sqoop/server/v1/ConnectorsServlet.java
index f58275e..8184e2d 100644
--- a/server/src/main/java/org/apache/sqoop/server/v1/ConnectorsServlet.java
+++ b/server/src/main/java/org/apache/sqoop/server/v1/ConnectorsServlet.java
@@ -29,6 +29,7 @@ import org.apache.sqoop.server.SqoopProtocolServlet;
  */
 @SuppressWarnings("serial")
 public class ConnectorsServlet extends SqoopProtocolServlet {
+  private static final long serialVersionUID = 1L;
 
   private RequestHandler connectorRequestHandler;
 

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/server/v1/DriverServlet.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/server/v1/DriverServlet.java b/server/src/main/java/org/apache/sqoop/server/v1/DriverServlet.java
index 192d866..7df307f 100644
--- a/server/src/main/java/org/apache/sqoop/server/v1/DriverServlet.java
+++ b/server/src/main/java/org/apache/sqoop/server/v1/DriverServlet.java
@@ -31,6 +31,8 @@ import org.apache.sqoop.server.SqoopProtocolServlet;
  */
 @SuppressWarnings("serial")
 public class DriverServlet extends SqoopProtocolServlet {
+  private static final long serialVersionUID = 1L;
+
   private RequestHandler driverRequestHandler;
 
   public DriverServlet() {

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/server/v1/JobServlet.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/server/v1/JobServlet.java b/server/src/main/java/org/apache/sqoop/server/v1/JobServlet.java
index 280b479..7767132 100644
--- a/server/src/main/java/org/apache/sqoop/server/v1/JobServlet.java
+++ b/server/src/main/java/org/apache/sqoop/server/v1/JobServlet.java
@@ -74,6 +74,7 @@ import org.apache.sqoop.server.SqoopProtocolServlet;
  */
 @SuppressWarnings("serial")
 public class JobServlet extends SqoopProtocolServlet {
+  private static final long serialVersionUID = 1L;
 
   private RequestHandler jobRequestHandler;
 

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/server/v1/JobsServlet.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/server/v1/JobsServlet.java b/server/src/main/java/org/apache/sqoop/server/v1/JobsServlet.java
index 5184a0b..97366cd 100644
--- a/server/src/main/java/org/apache/sqoop/server/v1/JobsServlet.java
+++ b/server/src/main/java/org/apache/sqoop/server/v1/JobsServlet.java
@@ -34,6 +34,7 @@ import org.apache.sqoop.server.SqoopProtocolServlet;
 */
 @SuppressWarnings("serial")
 public class JobsServlet extends SqoopProtocolServlet {
+  private static final long serialVersionUID = 1L;
 
   private RequestHandler jobRequestHandler;
 

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/server/v1/LinkServlet.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/server/v1/LinkServlet.java b/server/src/main/java/org/apache/sqoop/server/v1/LinkServlet.java
index 0e2e176..3fb542f 100644
--- a/server/src/main/java/org/apache/sqoop/server/v1/LinkServlet.java
+++ b/server/src/main/java/org/apache/sqoop/server/v1/LinkServlet.java
@@ -55,6 +55,7 @@ import org.apache.sqoop.server.SqoopProtocolServlet;
  */
 @SuppressWarnings("serial")
 public class LinkServlet extends SqoopProtocolServlet {
+  private static final long serialVersionUID = 1L;
 
   private RequestHandler linkRequestHandler;
 

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/server/v1/LinksServlet.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/server/v1/LinksServlet.java b/server/src/main/java/org/apache/sqoop/server/v1/LinksServlet.java
index d249d6c..d2ae0f7 100644
--- a/server/src/main/java/org/apache/sqoop/server/v1/LinksServlet.java
+++ b/server/src/main/java/org/apache/sqoop/server/v1/LinksServlet.java
@@ -33,6 +33,7 @@ import org.apache.sqoop.server.SqoopProtocolServlet;
 */
 @SuppressWarnings("serial")
 public class LinksServlet extends SqoopProtocolServlet {
+  private static final long serialVersionUID = 1L;
 
   private RequestHandler linkRequestHandler;
 

http://git-wip-us.apache.org/repos/asf/sqoop/blob/4014c7fb/server/src/main/java/org/apache/sqoop/server/v1/SubmissionsServlet.java
----------------------------------------------------------------------
diff --git a/server/src/main/java/org/apache/sqoop/server/v1/SubmissionsServlet.java b/server/src/main/java/org/apache/sqoop/server/v1/SubmissionsServlet.java
index 5337fdd..cb15401 100644
--- a/server/src/main/java/org/apache/sqoop/server/v1/SubmissionsServlet.java
+++ b/server/src/main/java/org/apache/sqoop/server/v1/SubmissionsServlet.java
@@ -35,6 +35,7 @@ import org.apache.sqoop.server.SqoopProtocolServlet;
  */
 @SuppressWarnings("serial")
 public class SubmissionsServlet extends SqoopProtocolServlet {
+  private static final long serialVersionUID = 1L;
 
   private RequestHandler submissionRequestHandler;