adding new table to h2 script

components/certificate-mgt/org.wso2.carbon.certificate.mgt.core/src/main/java/org/wso2/carbon/certificate/mgt/core/dao/impl/GenericCertificateDAOImpl.java

@@ -37,6 +37,7 @@ public class GenericCertificateDAOImpl implements CertificateDAO {
             stmt = conn.prepareStatement("INSERT INTO DM_DEVICE_CERTIFICATE (SERIAL_NUMBER, CERTIFICATE) VALUES (?,?)");
             stmt.setString(1, serialNumber);
             stmt.setObject(2, byteArrayInputStream);
+            stmt.execute();
         } catch (SQLException e) {
             throw new CertificateManagementDAOException("Error occurred while saving certificate with serial " +
                                                         serialNumber, e);

components/certificate-mgt/org.wso2.carbon.certificate.mgt.core/src/main/java/org/wso2/carbon/certificate/mgt/core/impl/KeyStoreReader.java

@@ -19,14 +19,11 @@ package org.wso2.carbon.certificate.mgt.core.impl;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.wso2.carbon.certificate.mgt.core.dao.CertificateDAO;
 import org.wso2.carbon.certificate.mgt.core.dao.CertificateManagementDAOException;
 import org.wso2.carbon.certificate.mgt.core.dao.CertificateManagementDAOFactory;
 import org.wso2.carbon.certificate.mgt.core.util.ConfigurationUtil;
 import org.wso2.carbon.certificate.mgt.core.exception.KeystoreException;
 import org.wso2.carbon.certificate.mgt.core.util.Serializer;
-import org.wso2.carbon.device.mgt.common.TransactionManagementException;
-import org.wso2.carbon.device.mgt.core.dao.DeviceManagementDAOFactory;
 
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
@@ -40,7 +37,6 @@ import java.security.PrivateKey;
 import java.security.UnrecoverableKeyException;
 import java.security.cert.Certificate;
 import java.security.cert.CertificateException;
-import java.security.cert.X509Certificate;
 import java.sql.SQLException;
 
 public class KeyStoreReader {

features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/h2.sql

@@ -4,6 +4,13 @@ CREATE TABLE IF NOT EXISTS DM_DEVICE_TYPE (
      PRIMARY KEY (ID)
 );
 
+CREATE TABLE IF NOT EXISTS DM_DEVICE_CERTIFICATE (
+      ID                    INTEGER auto_increment NOT NULL,
+      SERIAL_NUMBER            VARCHAR(500) DEFAULT NULL,
+    	CERTIFICATE                  BLOB DEFAULT NULL,
+    	PRIMARY KEY (ID)
+);
+
 CREATE TABLE IF NOT EXISTS DM_DEVICE (
      ID                    INTEGER auto_increment NOT NULL,
      DESCRIPTION           TEXT DEFAULT NULL,