Merge branch 'master' of https://repository.entgra.net/community/device-mgt-core into device-info-config

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.cert.admin.api/src/main/java/io/entgra/device/mgt/core/certificate/mgt/cert/admin/api/impl/CertificateManagementAdminServiceImpl.java

@@ -151,20 +151,20 @@ public class CertificateManagementAdminServiceImpl implements CertificateManagem
     }
 
     @DELETE
-    public Response removeCertificate(@QueryParam("serialNumber") String serialNumber) {
+    public Response removeCertificate(@QueryParam("certificateId") String certificateId) {
-        RequestValidationUtil.validateSerialNumber(serialNumber);
+        RequestValidationUtil.validateCertificateId(certificateId);
 
         CertificateManagementService certificateService = CertificateMgtAPIUtils.getCertificateManagementService();
         try {
-            boolean status = certificateService.removeCertificate(serialNumber);
+            boolean status = certificateService.removeCertificate(certificateId);
             if (!status) {
                 return Response.status(Response.Status.NOT_FOUND).entity(
                         "No certificate is found with the given " +
-                                "serial number '" + serialNumber + "'").build();
+                                "certificate id '" + certificateId + "'").build();
             } else {
                 return Response.status(Response.Status.OK).entity(
-                        "Certificate that carries the serial number '" +
+                        "Certificate that carries the certificate id '" +
-                                serialNumber + "' has been removed").build();
+                                certificateId + "' has been removed").build();
             }
         } catch (CertificateManagementException e) {
             String msg = "Error occurred while converting PEM file to X509Certificate";

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.cert.admin.api/src/main/java/io/entgra/device/mgt/core/certificate/mgt/cert/admin/api/util/RequestValidationUtil.java

@@ -30,6 +30,14 @@ public class RequestValidationUtil {
         }
     }
 
+    public static void validateCertificateId(String certificateId) {
+        if (certificateId == null || certificateId.isEmpty()) {
+            throw new InputValidationException(
+                    new ErrorResponse.ErrorResponseBuilder().setCode(400l).setMessage(
+                            "Certificate Id cannot be null or empty").build());
+        }
+    }
+
     public static void validatePaginationInfo(int offset, int limit) {
         if (offset < 0) {
             throw new InputValidationException(

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/CertificateDAO.java

@@ -95,10 +95,10 @@ public interface CertificateDAO {
     /**
      * Delete a certificate identified by a serial number()
      *
-     * @param serialNumber serial number
+     * @param certificateId number
      * @return whether the certificate was removed or not.
      */
-    boolean removeCertificate(String serialNumber) throws CertificateManagementDAOException;
+    boolean removeCertificate(String certificateId) throws CertificateManagementDAOException;
 
     List<CertificateResponse> searchCertificate(String serialNumber) throws CertificateManagementDAOException;
 

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/AbstractCertificateDAOImpl.java

@@ -237,7 +237,7 @@ public abstract class AbstractCertificateDAOImpl implements CertificateDAO{
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
         try {
             Connection conn = this.getConnection();
-            String sql = "SELECT CERTIFICATE, SERIAL_NUMBER, TENANT_ID, USERNAME"
+            String sql = "SELECT CERTIFICATE, SERIAL_NUMBER, ID, DEVICE_IDENTIFIER, TENANT_ID, USERNAME"
                          + " FROM DM_DEVICE_CERTIFICATE WHERE TENANT_ID = ? ORDER BY ID DESC";
             stmt = conn.prepareStatement(sql);
             stmt.setInt(1, tenantId);
@@ -247,6 +247,8 @@ public abstract class AbstractCertificateDAOImpl implements CertificateDAO{
                 certificateResponse = new CertificateResponse();
                 byte[] certificateBytes = resultSet.getBytes("CERTIFICATE");
                 certificateResponse.setSerialNumber(resultSet.getString("SERIAL_NUMBER"));
+                certificateResponse.setCertificateId(resultSet.getString("ID"));
+                certificateResponse.setDeviceIdentifier(resultSet.getString("DEVICE_IDENTIFIER"));
                 certificateResponse.setTenantId(resultSet.getInt("TENANT_ID"));
                 certificateResponse.setUsername(resultSet.getString("USERNAME"));
                 CertificateGenerator.extractCertificateDetails(certificateBytes, certificateResponse);
@@ -263,7 +265,7 @@ public abstract class AbstractCertificateDAOImpl implements CertificateDAO{
     }
 
     @Override
-    public boolean removeCertificate(String serialNumber) throws CertificateManagementDAOException {
+    public boolean removeCertificate(String certificateId) throws CertificateManagementDAOException {
         Connection conn;
         PreparedStatement stmt = null;
         ResultSet resultSet = null;
@@ -271,15 +273,15 @@ public abstract class AbstractCertificateDAOImpl implements CertificateDAO{
         try {
             conn = this.getConnection();
             String query =
-                    "DELETE FROM DM_DEVICE_CERTIFICATE WHERE SERIAL_NUMBER = ?" +
+                    "DELETE FROM DM_DEVICE_CERTIFICATE WHERE ID = ?" +
                     " AND TENANT_ID = ? ";
             stmt = conn.prepareStatement(query);
-            stmt.setString(1, serialNumber);
+            stmt.setString(1, certificateId);
             stmt.setInt(2, tenantId);
 
             return stmt.executeUpdate() > 0;
         } catch (SQLException e) {
-            String msg = "Unable to get the read the certificate with serial" + serialNumber;
+            String msg = "Unable to get the read the certificate with certificate id" + certificateId;
             log.error(msg, e);
             throw new CertificateManagementDAOException(msg, e);
         } finally {

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/GenericCertificateDAOImpl.java

@@ -47,6 +47,27 @@ public class GenericCertificateDAOImpl extends AbstractCertificateDAOImpl {
     private Connection getConnection() throws SQLException {
         return CertificateManagementDAOFactory.getConnection();
     }
+    private int getCertificateCount(int tenantId) throws CertificateManagementDAOException, SQLException {
+        int certificateCount = 0;
+        try {
+            Connection conn = this.getConnection();
+            String sql =
+                    "SELECT COUNT(*) AS DEVICE_CERTIFICATE_COUNT FROM DM_DEVICE_CERTIFICATE WHERE TENANT_ID = ?";
+            try (PreparedStatement stmt = conn.prepareStatement(sql)) {
+                stmt.setInt(1, tenantId);
+                try (ResultSet rs = stmt.executeQuery()) {
+                    if (rs.next()) {
+                        certificateCount = rs.getInt("DEVICE_CERTIFICATE_COUNT");
+                    }
+                }
+            }
+        } catch (SQLException e) {
+            String errorMsg = "SQL error occurred while retrieving the certificates.";
+            log.error(errorMsg, e);
+            throw new CertificateManagementDAOException(errorMsg, e);
+        }
+        return certificateCount;
+    }
 
     @Override
     public PaginationResult getAllCertificates(int rowNum, int limit) throws CertificateManagementDAOException {
@@ -58,7 +79,7 @@ public class GenericCertificateDAOImpl extends AbstractCertificateDAOImpl {
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
         try {
             Connection conn = this.getConnection();
-            String sql = "SELECT CERTIFICATE, SERIAL_NUMBER, TENANT_ID, USERNAME FROM "
+            String sql = "SELECT CERTIFICATE, SERIAL_NUMBER, ID, DEVICE_IDENTIFIER, TENANT_ID, USERNAME FROM "
                          + "DM_DEVICE_CERTIFICATE WHERE TENANT_ID = ? ORDER BY ID DESC LIMIT ?,?";
             stmt = conn.prepareStatement(sql);
             stmt.setInt(1, tenantId);
@@ -71,6 +92,8 @@ public class GenericCertificateDAOImpl extends AbstractCertificateDAOImpl {
                 certificateResponse = new CertificateResponse();
                 byte[] certificateBytes = resultSet.getBytes("CERTIFICATE");
                 certificateResponse.setSerialNumber(resultSet.getString("SERIAL_NUMBER"));
+                certificateResponse.setCertificateId(resultSet.getString("ID"));
+                certificateResponse.setDeviceIdentifier(resultSet.getString("DEVICE_IDENTIFIER"));
                 certificateResponse.setTenantId(resultSet.getInt("TENANT_ID"));
                 certificateResponse.setUsername(resultSet.getString("USERNAME"));
                 CertificateGenerator.extractCertificateDetails(certificateBytes, certificateResponse);
@@ -79,7 +102,7 @@ public class GenericCertificateDAOImpl extends AbstractCertificateDAOImpl {
             }
             paginationResult = new PaginationResult();
             paginationResult.setData(certificates);
-            paginationResult.setRecordsTotal(resultCount);
+            paginationResult.setRecordsTotal(this.getCertificateCount(tenantId));
         } catch (SQLException e) {
             String errorMsg = "SQL error occurred while retrieving the certificates.";
             log.error(errorMsg, e);

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/OracleCertificateDAOImpl.java

@@ -53,7 +53,7 @@ public class OracleCertificateDAOImpl extends AbstractCertificateDAOImpl {
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
         try {
             Connection conn = this.getConnection();
-            String sql = "SELECT CERTIFICATE, SERIAL_NUMBER, TENANT_ID, USERNAME FROM "
+            String sql = "SELECT CERTIFICATE, SERIAL_NUMBER, ID, DEVICE_IDENTIFIER, TENANT_ID, USERNAME FROM "
                          + "DM_DEVICE_CERTIFICATE WHERE TENANT_ID = ? ORDER BY ID DESC OFFSET ? ROWS FETCH NEXT ? ROWS ONLY";
             stmt = conn.prepareStatement(sql);
             stmt.setInt(1, tenantId);
@@ -66,6 +66,8 @@ public class OracleCertificateDAOImpl extends AbstractCertificateDAOImpl {
                 certificateResponse = new CertificateResponse();
                 byte[] certificateBytes = resultSet.getBytes("CERTIFICATE");
                 certificateResponse.setSerialNumber(resultSet.getString("SERIAL_NUMBER"));
+                certificateResponse.setCertificateId(resultSet.getString("ID"));
+                certificateResponse.setDeviceIdentifier(resultSet.getString("DEVICE_IDENTIFIER"));
                 certificateResponse.setTenantId(resultSet.getInt("TENANT_ID"));
                 certificateResponse.setUsername(resultSet.getString("USERNAME"));
                 CertificateGenerator.extractCertificateDetails(certificateBytes, certificateResponse);
@@ -74,7 +76,7 @@ public class OracleCertificateDAOImpl extends AbstractCertificateDAOImpl {
             }
             paginationResult = new PaginationResult();
             paginationResult.setData(certificates);
-            paginationResult.setRecordsTotal(resultCount);
+            paginationResult.setRecordsTotal(this.getCertificateCount(tenantId));
         } catch (SQLException e) {
             String errorMsg = "SQL error occurred while retrieving the certificates.";
             log.error(errorMsg, e);
@@ -88,4 +90,26 @@ public class OracleCertificateDAOImpl extends AbstractCertificateDAOImpl {
     private Connection getConnection() throws SQLException {
         return CertificateManagementDAOFactory.getConnection();
     }
+
+    private int getCertificateCount(int tenantId) throws CertificateManagementDAOException, SQLException {
+        int certificateCount = 0;
+        try {
+            Connection conn = this.getConnection();
+            String sql =
+                    "SELECT COUNT(*) AS DEVICE_CERTIFICATE_COUNT FROM DM_DEVICE_CERTIFICATE WHERE TENANT_ID = ?";
+            try (PreparedStatement stmt = conn.prepareStatement(sql)) {
+                stmt.setInt(1, tenantId);
+                try (ResultSet rs = stmt.executeQuery()) {
+                    if (rs.next()) {
+                        certificateCount = rs.getInt("DEVICE_CERTIFICATE_COUNT");
+                    }
+                }
+            }
+        } catch (SQLException e) {
+            String errorMsg = "SQL error occurred while retrieving the certificates.";
+            log.error(errorMsg, e);
+            throw new CertificateManagementDAOException(errorMsg, e);
+        }
+        return certificateCount;
+    }
 }

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/PostgreSQLCertificateDAOImpl.java

@@ -53,7 +53,7 @@ public class PostgreSQLCertificateDAOImpl extends AbstractCertificateDAOImpl {
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
         try {
             Connection conn = this.getConnection();
-            String sql = "SELECT CERTIFICATE, SERIAL_NUMBER, TENANT_ID, USERNAME FROM "
+            String sql = "SELECT CERTIFICATE, SERIAL_NUMBER, ID, DEVICE_IDENTIFIER, TENANT_ID, USERNAME FROM "
                          + "DM_DEVICE_CERTIFICATE WHERE TENANT_ID = ? ORDER BY ID DESC LIMIT ? OFFSET ?";
             stmt = conn.prepareStatement(sql);
             stmt.setInt(1, tenantId);
@@ -66,6 +66,8 @@ public class PostgreSQLCertificateDAOImpl extends AbstractCertificateDAOImpl {
                 certificateResponse = new CertificateResponse();
                 byte[] certificateBytes = resultSet.getBytes("CERTIFICATE");
                 certificateResponse.setSerialNumber(resultSet.getString("SERIAL_NUMBER"));
+                certificateResponse.setCertificateId(resultSet.getString("ID"));
+                certificateResponse.setDeviceIdentifier(resultSet.getString("DEVICE_IDENTIFIER"));
                 certificateResponse.setTenantId(resultSet.getInt("TENANT_ID"));
                 certificateResponse.setUsername(resultSet.getString("USERNAME"));
                 CertificateGenerator.extractCertificateDetails(certificateBytes, certificateResponse);
@@ -74,7 +76,7 @@ public class PostgreSQLCertificateDAOImpl extends AbstractCertificateDAOImpl {
             }
             paginationResult = new PaginationResult();
             paginationResult.setData(certificates);
-            paginationResult.setRecordsTotal(resultCount);
+            paginationResult.setRecordsTotal(this.getCertificateCount(tenantId));
         } catch (SQLException e) {
             String errorMsg = "SQL error occurred while retrieving the certificates.";
             log.error(errorMsg, e);
@@ -88,4 +90,26 @@ public class PostgreSQLCertificateDAOImpl extends AbstractCertificateDAOImpl {
     private Connection getConnection() throws SQLException {
         return CertificateManagementDAOFactory.getConnection();
     }
+
+    private int getCertificateCount(int tenantId) throws CertificateManagementDAOException, SQLException {
+        int certificateCount = 0;
+        try {
+            Connection conn = this.getConnection();
+            String sql =
+                    "SELECT COUNT(*) AS DEVICE_CERTIFICATE_COUNT FROM DM_DEVICE_CERTIFICATE WHERE TENANT_ID = ?";
+            try (PreparedStatement stmt = conn.prepareStatement(sql)) {
+                stmt.setInt(1, tenantId);
+                try (ResultSet rs = stmt.executeQuery()) {
+                    if (rs.next()) {
+                        certificateCount = rs.getInt("DEVICE_CERTIFICATE_COUNT");
+                    }
+                }
+            }
+        } catch (SQLException e) {
+            String errorMsg = "SQL error occurred while retrieving the certificates.";
+            log.error(errorMsg, e);
+            throw new CertificateManagementDAOException(errorMsg, e);
+        }
+        return certificateCount;
+    }
 }

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/SQLServerCertificateDAOImpl.java

@@ -53,7 +53,7 @@ public class SQLServerCertificateDAOImpl extends AbstractCertificateDAOImpl {
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
         try {
             Connection conn = this.getConnection();
-            String sql = "SELECT CERTIFICATE, SERIAL_NUMBER, TENANT_ID, USERNAME FROM "
+            String sql = "SELECT CERTIFICATE, SERIAL_NUMBER, ID, DEVICE_IDENTIFIER, TENANT_ID, USERNAME FROM "
                          + "DM_DEVICE_CERTIFICATE WHERE TENANT_ID = ? ORDER BY ID DESC OFFSET ? ROWS FETCH NEXT ? ROWS ONLY";
             stmt = conn.prepareStatement(sql);
             stmt.setInt(1, tenantId);
@@ -66,6 +66,8 @@ public class SQLServerCertificateDAOImpl extends AbstractCertificateDAOImpl {
                 certificateResponse = new CertificateResponse();
                 byte[] certificateBytes = resultSet.getBytes("CERTIFICATE");
                 certificateResponse.setSerialNumber(resultSet.getString("SERIAL_NUMBER"));
+                certificateResponse.setCertificateId(resultSet.getString("ID"));
+                certificateResponse.setDeviceIdentifier(resultSet.getString("DEVICE_IDENTIFIER"));
                 certificateResponse.setTenantId(resultSet.getInt("TENANT_ID"));
                 certificateResponse.setUsername(resultSet.getString("USERNAME"));
                 CertificateGenerator.extractCertificateDetails(certificateBytes, certificateResponse);
@@ -74,7 +76,7 @@ public class SQLServerCertificateDAOImpl extends AbstractCertificateDAOImpl {
             }
             paginationResult = new PaginationResult();
             paginationResult.setData(certificates);
-            paginationResult.setRecordsTotal(resultCount);
+            paginationResult.setRecordsTotal(this.getCertificateCount(tenantId));
         } catch (SQLException e) {
             String errorMsg = "SQL error occurred while retrieving the certificates.";
             log.error(errorMsg, e);
@@ -88,4 +90,26 @@ public class SQLServerCertificateDAOImpl extends AbstractCertificateDAOImpl {
     private Connection getConnection() throws SQLException {
         return CertificateManagementDAOFactory.getConnection();
     }
+
+    private int getCertificateCount(int tenantId) throws CertificateManagementDAOException, SQLException {
+        int certificateCount = 0;
+        try {
+            Connection conn = this.getConnection();
+            String sql =
+                    "SELECT COUNT(*) AS DEVICE_CERTIFICATE_COUNT FROM DM_DEVICE_CERTIFICATE WHERE TENANT_ID = ?";
+            try (PreparedStatement stmt = conn.prepareStatement(sql)) {
+                stmt.setInt(1, tenantId);
+                try (ResultSet rs = stmt.executeQuery()) {
+                    if (rs.next()) {
+                        certificateCount = rs.getInt("DEVICE_CERTIFICATE_COUNT");
+                    }
+                }
+            }
+        } catch (SQLException e) {
+            String errorMsg = "SQL error occurred while retrieving the certificates.";
+            log.error(errorMsg, e);
+            throw new CertificateManagementDAOException(errorMsg, e);
+        }
+        return certificateCount;
+    }
 }

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dto/CertificateResponse.java

@@ -32,6 +32,12 @@ public class CertificateResponse {
     @ApiModelProperty(name = "serialNumber", value = "It is the unique ID that is used to identify a certificate", required = true)
     String serialNumber;
 
+    @ApiModelProperty(name = "deviceIdentifier", value = "It is use to identify a certificate list", required = true)
+    String deviceIdentifier;
+
+    @ApiModelProperty(name = "certificateId", value = "It is the unique ID that is used to identify a certificate", required = true)
+    String certificateId;
+
     @ApiModelProperty(name = "tenantId", value = "The ID of the tenant who adds the certificate", required = true)
     int tenantId;
 
@@ -44,8 +50,8 @@ public class CertificateResponse {
     @ApiModelProperty(name = "notBefore", value = "The date from when the certificate is valid", required = true)
     long notBefore;
 
-    @ApiModelProperty(name = "certificateserial", value = "The serial number of the certificate", required = true)
+    @ApiModelProperty(name = "certificateSerial", value = "The serial number of the certificate", required = true)
-    BigInteger certificateserial;
+    BigInteger certificateSerial;
 
     @ApiModelProperty(name = "issuer", value = "The identity of the authority that signs the SSL certificate", required = true)
     String issuer;
@@ -83,12 +89,12 @@ public class CertificateResponse {
         this.notBefore = notBefore;
     }
 
-    public BigInteger getCertificateserial() {
+    public BigInteger getCertificateSerial() {
-        return certificateserial;
+        return certificateSerial;
     }
 
-    public void setCertificateserial(BigInteger certificateserial) {
+    public void setCertificateSerial(BigInteger certificateSerial) {
-        this.certificateserial = certificateserial;
+        this.certificateSerial = certificateSerial;
     }
 
     public String getIssuer() {
@@ -146,4 +152,20 @@ public class CertificateResponse {
     public void setTenantId(int tenantId) {
         this.tenantId = tenantId;
     }
+
+    public String getDeviceIdentifier() {
+        return deviceIdentifier;
+    }
+
+    public void setDeviceIdentifier(String deviceIdentifier) {
+        this.deviceIdentifier = deviceIdentifier;
+    }
+
+    public String getCertificateId() {
+        return certificateId;
+    }
+
+    public void setCertificateId(String certificateId) {
+        this.certificateId = certificateId;
+    }
 }

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/impl/CertificateGenerator.java

@@ -130,7 +130,7 @@ public class CertificateGenerator {
                     X509Certificate certificate = (X509Certificate) x509Certificate;
                     certificateResponse.setNotAfter(certificate.getNotAfter().getTime());
                     certificateResponse.setNotBefore(certificate.getNotBefore().getTime());
-                    certificateResponse.setCertificateserial(certificate.getSerialNumber());
+                    certificateResponse.setCertificateSerial(certificate.getSerialNumber());
                     certificateResponse.setIssuer(certificate.getIssuerDN().getName());
                     certificateResponse.setSubject(certificate.getSubjectDN().getName());
                     certificateResponse.setCertificateVersion(certificate.getVersion());

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/service/CertificateManagementService.java

@@ -73,7 +73,7 @@ public interface CertificateManagementService {
 
     PaginationResult getAllCertificates(int rowNum, int limit) throws CertificateManagementException;
 
-    boolean removeCertificate(String serialNumber) throws CertificateManagementException;
+    boolean removeCertificate(String certificateId) throws CertificateManagementException;
 
     List<CertificateResponse> getCertificates() throws CertificateManagementException;
 

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/service/CertificateManagementServiceImpl.java

@@ -174,20 +174,20 @@ public class CertificateManagementServiceImpl implements CertificateManagementSe
     }
 
     @Override
-    public boolean removeCertificate(String serialNumber) throws CertificateManagementException {
+    public boolean removeCertificate(String certificateId) throws CertificateManagementException {
         try {
             CertificateManagementDAOFactory.beginTransaction();
             CertificateDAO certificateDAO = CertificateManagementDAOFactory.getCertificateDAO();
-            boolean status = certificateDAO.removeCertificate(serialNumber);
+            boolean status = certificateDAO.removeCertificate(certificateId);
             CertificateManagementDAOFactory.commitTransaction();
             return status;
         } catch (TransactionManagementException e) {
-            String msg = "Error occurred while removing certificate carrying serial number '" + serialNumber + "'";
+            String msg = "Error occurred while removing certificate carrying certificate id '" + certificateId + "'";
             log.error(msg, e);
             throw new CertificateManagementException(msg, e);
         } catch (CertificateManagementDAOException e) {
             CertificateManagementDAOFactory.rollbackTransaction();
-            String msg = "Error occurred while removing the certificate carrying serial number '" + serialNumber +
+            String msg = "Error occurred while removing the certificate carrying certificate id '" + certificateId +
                     "' from the certificate repository";
             log.error(msg, e);
             throw new CertificateManagementException(msg, e);

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/test/java/io/entgra/device/mgt/core/certificate/mgt/core/impl/CertificateManagementServiceImplTests.java

@@ -210,7 +210,7 @@ public class CertificateManagementServiceImplTests extends BaseDeviceManagementC
         X509Certificate x509Certificate = managementService.generateX509Certificate();
         CertificateResponse certificateResponse = managementService.retrieveCertificate(x509Certificate.getSerialNumber().toString());
         Assert.assertNotNull(certificateResponse);
-        Assert.assertEquals(x509Certificate.getSerialNumber(), certificateResponse.getCertificateserial());
+        Assert.assertEquals(x509Certificate.getSerialNumber(), certificateResponse.getCertificateSerial());
     }
 
     @Test(description = "This test case tests the retrieval of Certificates from keystore in desired pagination")

components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/dao/impl/ApplicationDAOImpl.java

@@ -293,11 +293,11 @@ public class ApplicationDAOImpl implements ApplicationDAO {
                         "WHERE A.NAME = DM_APPLICATION.NAME " +
                         "AND A.ID < DM_APPLICATION.ID) " +
                     "AND PLATFORM = ? " +
-                    "AND TENANT_ID = ?";
+                    "AND TENANT_ID = ? ";
         try {
             String filter = request.getFilter();
             if (filter != null) {
-                sql = sql + "AND NAME LIKE ?";
+                sql = sql + "AND NAME LIKE ? ";
             }
             sql = sql + "LIMIT ? OFFSET ?";
             Connection conn = this.getConnection();