Could not open connection to the SERVER

Below is the error message that i have encountered.

I am using Java version 7.

Also tried installing the previous versions as well.

But when i check the connection using the ODBS data source administrator i was able to connect the server.

!ENTRY com.sap.ndb.studio.navigator 4 1 2014-06-24 00:25:17.142

!MESSAGE HDB skvk.vm.cld.sr 00 (SYSTEM) Error while refreshing system

!SUBENTRY 1 com.sap.ndb.studio.navigator 4 0 2014-06-24 00:25:17.142

!MESSAGE SAPControl request failed

!STACK 0

com.sap.ndb.studio.sapcontrol.SAPControlException: SAPControl request failed

at com.sap.ndb.studio.sapcontrol.operations.SAPControlOperation.execute(SAPControlOperation.java:118)

at com.sap.ndb.studio.sapcontrol.SAPControl.getInstanceProperties(SAPControl.java:507)

at com.sap.ndb.studio.navigator.operations.SAPSystemObjectUpdate.executeTrySAPControl(SAPSystemObjectUpdate.java:147)

at com.sap.ndb.studio.navigator.operations.SAPSystemObjectUpdate.execute(SAPSystemObjectUpdate.java:79)

at com.sap.ndb.studio.navigator.operations.UpdateSAPSystemOperation.execute(UpdateSAPSystemOperation.java:73)

at com.sap.ndb.studio.datamodel.controler.DataModelOperation.execute(DataModelOperation.java:70)

at com.sap.ndb.studio.datamodel.controler.DataModelOperationQueue$DataModelOperationThread.run(DataModelOperationQueue.java:99)

Caused by: com.sun.xml.internal.messaging.saaj.SOAPExceptionImpl: com.sun.xml.internal.messaging.saaj.SOAPExceptionImpl: Message send failed

at com.sun.xml.internal.messaging.saaj.client.p2p.HttpSOAPConnection.call(Unknown Source)

at com.sap.ndb.studio.sapcontrol.operations.SAPControlOperation.execute(SAPControlOperation.java:94)

... 6 more

Caused by: com.sun.xml.internal.messaging.saaj.SOAPExceptionImpl: Message send failed

at com.sun.xml.internal.messaging.saaj.client.p2p.HttpSOAPConnection.post(Unknown Source)

... 8 more

Caused by: java.net.SocketException: Connection reset

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)

at java.lang.reflect.Constructor.newInstance(Unknown Source)

at sun.net.www.protocol.http.HttpURLConnection$6.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at sun.net.www.protocol.http.HttpURLConnection.getChainedException(Unknown Source)

at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)

at java.net.HttpURLConnection.getResponseCode(Unknown Source)

... 9 more

Caused by: java.net.SocketException: Connection reset

at java.net.SocketInputStream.read(Unknown Source)

at java.io.BufferedInputStream.fill(Unknown Source)

at java.io.BufferedInputStream.read1(Unknown Source)

at java.io.BufferedInputStream.read(Unknown Source)

at sun.net.www.http.HttpClient.parseHTTPHeader(Unknown Source)

at sun.net.www.http.HttpClient.parseHTTP(Unknown Source)

... 11 more

!SUBENTRY 1 com.sap.ndb.studio.navigator 4 4 2014-06-24 00:25:17.143

!MESSAGE Database connection is not available. See error log for details.

!STACK 0

com.sap.ndb.studio.jdbc.JDBCConnectionStatus: Database connection is not available. See error log for details.

at com.sap.ndb.studio.jdbc.JDBCPlugin.createConnection(JDBCPlugin.java:253)

at com.sap.ndb.studio.navigator.operations.SAPSystemObjectUpdate.executeTryJDBC(SAPSystemObjectUpdate.java:268)

at com.sap.ndb.studio.navigator.operations.SAPSystemObjectUpdate.execute(SAPSystemObjectUpdate.java:96)

at com.sap.ndb.studio.navigator.operations.UpdateSAPSystemOperation.execute(UpdateSAPSystemOperation.java:73)

at com.sap.ndb.studio.datamodel.controler.DataModelOperation.execute(DataModelOperation.java:70)

at com.sap.ndb.studio.datamodel.controler.DataModelOperationQueue$DataModelOperationThread.run(DataModelOperationQueue.java:99)

Caused by: com.sap.db.jdbc.exceptions.jdbc40.SQLNonTransientConnectionException: Data receive failed .

at com.sap.db.jdbc.exceptions.jdbc40.SQLNonTransientConnectionException.createException(SQLNonTransientConnectionException.java:40)

at com.sap.db.jdbc.exceptions.SQLExceptionSapDB.createException(SQLExceptionSapDB.java:241)

at com.sap.db.jdbc.exceptions.SQLExceptionSapDB.createException(SQLExceptionSapDB.java:203)

at com.sap.db.jdbc.exceptions.SQLExceptionSapDB.generateSQLException(SQLExceptionSapDB.java:155)

at com.sap.db.jdbc.exceptions.ConnectionException.createException(ConnectionException.java:22)

at com.sap.db.jdbc.ConnectionSapDB.tryReconnect(ConnectionSapDB.java:1631)

at com.sap.db.jdbc.ConnectionSapDB.execute(ConnectionSapDB.java:1131)

at com.sap.db.jdbc.CallableStatementSapDB.sendCommand(CallableStatementSapDB.java:1964)

at com.sap.db.jdbc.StatementSapDB.sendSQL(StatementSapDB.java:978)

at com.sap.db.jdbc.CallableStatementSapDB.doParse(CallableStatementSapDB.java:256)

at com.sap.db.jdbc.CallableStatementSapDB.constructor(CallableStatementSapDB.java:215)

at com.sap.db.jdbc.CallableStatementSapDB.(CallableStatementSapDBFinalize.java:31)

at com.sap.db.jdbc.ConnectionSapDB.prepareStatement(ConnectionSapDB.java:1369)

at com.sap.db.jdbc.trace.log.Connection.prepareStatement(Connection.java:1025)

at com.sap.db.jdbc.trace.Connection.prepareStatement(Connection.java:413)

at com.sap.ndb.studio.jdbc.JDBCConnection.initialize(JDBCConnection.java:235)

at com.sap.ndb.studio.jdbc.JDBCPlugin.createConnection(JDBCPlugin.java:236)

... 5 more

!ENTRY com.sap.ndb.studio.jdbc 4 4 2014-06-24 00:26:07.869

!MESSAGE Connection on HDB:SKVK.VM.CLD.SR:00:SYSTEM is forced to close. (csns.backup.BackupConnectionHandler$1.call(BackupConnectionHandler.java:116);csns.backup.BackupConnectionHandler$1.call(BackupConnectionHandler.java:1);)

!ENTRY com.sap.ndb.studio.jdbc 4 4 2014-06-24 00:26:07.871

!MESSAGE Connection on HDB:SKVK.VM.CLD.SR:00:SYSTEM is forced to close. (csns.catalog.internal.Catalog.isHasPrivilegesForSchemasAvailable(Catalog.java:143);csns.catalog.internal.Catalog.fetchCatalogObjects(Catalog.java:73);csns.catalog.internal.CatalogFolder.fetchChildren(CatalogFolder.java:175);csns.catalog.CatalogWorkbenchAdapter$1.run(CatalogWorkbenchAdapter.java:98);org.eclipse.core.internal.jobs.Worker.run(Worker.java:53);)

!ENTRY com.sap.ndb.studio.jdbc 4 4 2014-06-24 00:26:07.873

!MESSAGE Connection on HDB:SKVK.VM.CLD.SR:00:SYSTEM is forced to close. (csns.catalog.command.handlers.CatalogRefresh.execute(CatalogRefresh.java:36);org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:290);org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90);org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56);org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:243);org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:224);org.eclipse.e4.core.contexts.Context)

!ENTRY com.sap.ndb.studio.jdbc 4 4 2014-06-24 00:26:07.875

!ENTRY com.sap.ndb.studio.jdbc 4 4 2014-06-24 00:26:07.894

!MESSAGE Connection on HDB:SKVK.VM.CLD.SR:00:SYSTEM is forced to close. (csns.modeler.base.NavigatorRepositoryInput.getConnection(NavigatorRepositoryInput.java:28);csns.sdk.repository.provider.newdbrepository.NewDBRepositoryProxyFactory.getRepositoryProxy(NewDBRepositoryProxyFactory.java:21);csns.sdk.repository.provider.newdbrepository.impl.NewDBRepositoryProvider.getProxy(NewDBRepositoryProvider.java:197);csns.sdk.repository.provider.newdbrepository.impl.NewDBRepositoryProvider.checkRepositoryAccessAuthorization(NewDBRepositoryProvider.java:214);csns.sdk.repository.newdbreposi)

!ENTRY com.sap.ndb.studio.jdbc 4 4 2014-06-24 00:26:07.896

!ENTRY com.sap.ndb.studio.jdbc 4 4 2014-06-24 00:26:07.899

!ENTRY com.sap.ndb.studio.jdbc 4 4 2014-06-24 00:26:07.901

!MESSAGE Connection on HDB:SKVK.VM.CLD.SR:00:SYSTEM is forced to close. (csns.navigator.operations.SAPSystemObjectUpdate.executeTryJDBC(SAPSystemObjectUpdate.java:268);csns.navigator.operations.SAPSystemObjectUpdate.execute(SAPSystemObjectUpdate.java:96);csns.navigator.operations.UpdateSAPSystemOperation.execute(UpdateSAPSystemOperation.java:73);csns.datamodel.controler.DataModelOperation.execute(DataModelOperation.java:70);csns.datamodel.controler.DataModelOperationQueue$DataModelOperationThread.run(DataModelOperationQueue.java:99);)

!ENTRY com.sap.ndb.studio.backup 4 4 2014-06-24 00:27:01.078

!MESSAGE Could not open connection to 'HDB skvk.vm.cld.sr 00'

!STACK 0

java.util.concurrent.TimeoutException

at java.util.concurrent.FutureTask.get(Unknown Source)

at com.sap.ndb.studio.backup.BackupConnectionHandler.openConnection(BackupConnectionHandler.java:122)

at com.sap.ndb.studio.backup.BackupConnectionHandler.getConnection(BackupConnectionHandler.java:88)

at com.sap.ndb.studio.backup.BackupWorkbenchAdapter$2.call(BackupWorkbenchAdapter.java:151)

at com.sap.ndb.studio.backup.BackupWorkbenchAdapter$2.call(BackupWorkbenchAdapter.java:1)

at java.util.concurrent.FutureTask.run(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

at java.lang.Thread.run(Unknown Source)

!ENTRY com.sap.ndb.studio.navigator 4 1 2014-06-24 00:27:31.615

!MESSAGE HDB skvk.vm.cld.sr 00 (SYSTEM) Error while refreshing system

!SUBENTRY 1 com.sap.ndb.studio.navigator 4 0 2014-06-24 00:27:31.615