JCA connection issue

Hello,
I wrote the SAP example for JCA connection, the problem is that I have an exception on this point:
try {
<b>client = cgService.getConnection(system_alias, prop);</b>
} catch (Exception e) {
app.putValue(
"error",
<b>"Couldn't establish a connection with a target system " + system_alias + ".");</b>
return;
The error from the log file is:
<i>There was a problem getting the timestamp of the node: events with internal id: 4294967579
[EXCEPTION]
#1#com.sap.engine.services.dbpool.exceptions.BaseSQLException: ResourceException in method ConnectionFactoryImpl.getConnection(): com.sap.engine.services.connector.exceptions.BaseResourceException: "ConnectionManager" is closed. Possible reasons: 1) <u>connector "SAPJ2EDB" is stopped or not started, 2) Connector service is stopped or has not been started.</u></i>
The problem seems to be on the cgService.getConnection, probabily on the Connector Gateway Service. I will appreciate any suggestion about this, could be a server configuration problem?
Thanks in advance,
Vipa

Here attached my code (SAP standard example):
package jca;
Portal related API
import com.sapportals.portal.prt.component.AbstractPortalComponent;
import com.sapportals.portal.prt.component.IPortalComponentRequest;
import com.sapportals.portal.prt.component.IPortalComponentResponse;
import com.sapportals.portal.prt.component.IPortalComponentProfile;
import com.sapportals.portal.prt.event.IPortalRequestEvent;
import com.sapportals.portal.prt.resource.IResource;
import com.sap.security.api.IPrincipal;
J2SE API
import java.util.Hashtable;
import java.util.Enumeration;
Standard JNDI API
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.NamingEnumeration;
import javax.naming.NameClassPair;
Portal Generic Layer api
jar file location:
<j2ee engine>\cluster\server\services\servlet_jsp\work\
jspTemp\irj\root\WEB-INF\portal\portalapps\com.sap.portal.
pcd.glservice\lib\com.sap.portal.pcd.glserviceapi.jar
import com.sapportals.portal.pcd.gl.IPcdContext;
import com.sapportals.portal.pcd.gl.IPcdAttributes;
import com.sapportals.portal.pcd.gl.IPcdAttribute;
Portal JNDI support
jar file location:
<j2ee engine>/cluster/server/services/servlet_jsp/work/
jspTemp/irj/root/WEB-INF/lib/prtjndisupport.jar
import com.sapportals.portal.prt.jndisupport.InitialContext;
System Landscape service API
jar file location:
<j2ee engine>/cluster/server/services/servlet_jsp/work/
jspTemp/irj/root/WEB-INF/portal/portalapps/com.sap.portal.
ivs.systemlandscapeservice/lib/
com.sap.portal.ivs.systemlandscapeserviceapi.jar
import com.sapportals.iviewserver.systemlandscape.service.ISystemLandscapeService;
import com.sapportals.iviewserver.systemlandscape.service.IDesigntimeSystemLandscapeService;
import com.sap.portal.pcm.system.ISystems;
import com.sap.portal.pcm.system.ISystem;
Connector service API
jar file location:
<j2ee engine>/cluster/server/services/servlet_jsp/work/
jspTemp/irj/root/WEB-INF/portal/portalapps/com.sap.portal.
ivs.connectorservice/lib/com.sap.portal.ivs.connectorserviceapi.jar
import com.sapportals.portal.ivs.cg.IConnectorService;
import com.sapportals.portal.ivs.cg.IConnectorGatewayService;
import com.sapportals.portal.ivs.cg.ConnectionProperties;
javax.resource.cci
jar file location:
<j2ee engine>/cluster/server/additional-lib/connector.jar
import javax.resource.cci.MappedRecord;
import javax.resource.cci.RecordFactory;
Connector Framework
jar file location: 
<j2ee engine>/cluster/server/additional-lib/com/sapportals/
connectorframework/framework/GenericConnector.jar
import com.sapportals.connector.ConnectorException;
// connection
import com.sapportals.connector.connection.IConnection;
import com.sapportals.connector.connection.IConnectionFactory;
// execution.functions
import com.sapportals.connector.execution.functions.IInteraction;
import com.sapportals.connector.execution.functions.IInteractionSpec;
// metadata.functions
import com.sapportals.connector.metadata.functions.IFunction;
import com.sapportals.connector.metadata.functions.IFunctionsMetaData;
// execution.structures
import com.sapportals.connector.execution.structures.IRecord;
import com.sapportals.connector.execution.structures.IStructureFactory;
import com.sapportals.connector.execution.structures.IRecordSet;
public class SampleComponent extends AbstractPortalComponent {
Generic Layer service
  IPcdContext pcdContext;
Data Container
  IPortalComponentProfile app;
Refresh "systems" variable which contains a list of R3 system object.
This object is shown in the pulldown list on JSP.
  public void doContent(IPortalComponentRequest request, IPortalComponentResponse response) {
     System.out.println("doContent()");
     app = request.getComponentContext().getProfile();
     try {
       // Get the initial context from JNDI@PRT
       pcdContext = getPcdContext(request);
       // Get a list of R/3 system object aliases
       Hashtable systems = getR3Systems(request);
       System.out.println("systems = " + systems);
       app.putValue("systems", systems);
     } catch (Exception e) {
       System.out.println("Caught an exception: \n" + e);
     IResource jsp = request.getResource(IResource.JSP, "pagelet/index.jsp");
     response.include(request, jsp);
Trigger a Remote Function Module via CCI...
  public void doJca(IPortalComponentRequest request, IPortalRequestEvent event) {
     System.out.println("doJca()");
     Context ctx = null;
     IConnectionFactory connectionFactory = null;
     IConnection client = null;
          ConnectionProperties prop = null;
     String rfm_name = "BAPI_COMPANYCODE_GETLIST";
     String system_alias = request.getParameter("system");
     if (system_alias == null) {
               app.putValue(
                    "error",
                    "1.Couldn't establish a connection with a target system " + system_alias + ".");
               return;   
     System.out.println("system_alias = " + system_alias);
     app.putValue("error", "");
     app.putValue("exportParams", "");
     app.putValue("system_alias", system_alias);
     try {
       // Obtain the initial JNDI context
       //   ctx = new InitialContext();
       // Perform JNDI lookup to obtain connection factory
       //   connectionFactory = (IConnectionFactory) ctx.lookup("EISConnections/SAPFactory");
       //   IConnectionSpec spec = connectionFactory.getConnectionSpec();
       //   ((Map) spec).put("client", "100");
       //      ((Map) spec).put("UserName", "");
       //      ((Map) spec).put("Password", "");
       //      ((Map) spec).put("logonmethod", "UIDPW");
       //      ((Map) spec).put("Language", "EN");
       //      ((Map) spec).put("ashost", "");
       //      ((Map) spec).put("sysnr", "01");
       //      IConnection client = connectionFactory.getConnectionEx(spec);
       IConnectorGatewayService cgService =
          (IConnectorGatewayService) request.getService(IConnectorService.KEY);
       try {
                    prop = new ConnectionProperties(request.getLocale(), request.getUser());
       } catch (Exception e) {
                    app.putValue(
                         "error",
                         "2.Couldn't establish a connection with the user " + request.getUser() + ".");
                    return;     
       try {
                    client = cgService.getConnection(system_alias, prop);
       } catch (Exception e) {
                    app.putValue(
                         "error",
                         "3.Couldn't establish a connection with a target system " + system_alias + ".");
                    return;
Start Interaction
       IInteraction interaction = client.createInteractionEx();
       System.out.println("Starting Interaction...");
       IInteractionSpec interactionSpec = interaction.getInteractionSpec();
       interactionSpec.setPropertyValue("Name", rfm_name);
CCI api only has one datatype: Record
       RecordFactory recordFactory = interaction.getRecordFactory();
       MappedRecord importParams = recordFactory.createMappedRecord("CONTAINER_OF_IMPORT_PARAMS");
       IFunctionsMetaData functionsMetaData = client.getFunctionsMetaData();
       IFunction function = functionsMetaData.getFunction(rfm_name);
       if (function == null) {
          app.putValue(
            "error",
            "Couldn't find " + rfm_name + " in a target system " + system_alias + ".");
          return;
How to invoke Function modules
       System.out.println("Invoking... " + function.getName());
       MappedRecord exportParams = (MappedRecord) interaction.execute(interactionSpec, importParams);
       app.putValue("exportParams", exportParams);
How to get structure values
       IRecord exportStructure = (IRecord) exportParams.get("RETURN");
       String columnOne = exportStructure.getString("TYPE");
       String columnTwo = exportStructure.getString("CODE");
       String columnThree = exportStructure.getString("MESSAGE");
       System.out.println("  RETURN-TYPE    = " + columnOne);
       System.out.println("  RETURN-CODE    = " + columnTwo);
       System.out.println("  RETURN-MESSAGE =" + columnThree);
How to get table values
       IRecordSet exportTable = (IRecordSet) exportParams.get("COMPANYCODE_LIST");
       exportTable.beforeFirst(); // Moves the cursor before the first row.
       while (exportTable.next()) {
          String column_1 = exportTable.getString("COMP_CODE");
          String column_2 = exportTable.getString("COMP_NAME");
          System.out.println("  COMPANYCODE_LIST-COMP_CODE = " + column_1);
          System.out.println("  COMPANYCODE_LIST-COMP_NAME = " + column_2);
Closing the connection
       client.close();
     } catch (ConnectorException e) {
       //app.putValue("error", e);
       System.out.println("Caught an exception: \n" + e);
     } catch (Exception e) {
       System.out.println("Caught an exception: \n" + e);
  private IPcdContext getPcdContext(IPortalComponentRequest request) {
     //    System.out.println("getPcdContext()");
     IPcdContext pcdContext = null;
     try {
       Hashtable env = new Hashtable();
       env.put(
          IPcdContext.INITIAL_CONTEXT_FACTORY,
          "com.sapportals.portal.pcd.gl.PcdInitialContextFactory");
       env.put(IPcdContext.SECURITY_PRINCIPAL, request.getUser());
       pcdContext = (IPcdContext) new InitialContext(env).lookup("");
     } catch (Exception e) {
       System.out.println("Caught an exception: \n" + e);
     return pcdContext;
  private Hashtable getR3Systems(IPortalComponentRequest request) {
     //    System.out.println("getR3Systems()");
     Hashtable systems = new Hashtable();
     try {
       // get a list of R/3 system aliases
       ISystemLandscapeService landscapeService =
          (ISystemLandscapeService) request.getService(ISystemLandscapeService.KEY);
       IDesigntimeSystemLandscapeService landscape =
          landscapeService.getIDesigntimeSystemLandscapeService();
       NamingEnumeration enum = landscape.getAliasesNames(request.getUser());
       while (enum.hasMore()) {
          NameClassPair ncp = (NameClassPair) enum.next();
          String path = landscape.getAliasTarget(ncp.getName(), request.getUser());
          path = path.substring(4);
          IPcdAttributes attrs = (IPcdAttributes) pcdContext.getAttributes(path);
          if (attrs.get("SystemType") == null) {
            continue;
          String system_type = (String) attrs.get("SystemType").get();
          if (system_type.equals("SAP_R3")) {
            systems.put(ncp.getName(), ncp.getName());
     } catch (Exception e) {
       System.out.println("Caught an exception: \n" + e);
     return systems;

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    This issue is closed.
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    Dear Lenovo Support and all others,
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    INTEL DUAL BAND WIRELESS AC 7260 - NO CONNECTION/LIMITED ACCESS
    ASUS USB N10 WIRELESS ADAPTOR - CONNECTIVITY AND INTERNET ACCESS
    I think this narrows it down to the software/hardware in the computer....

    Hi, all
    there is an issue bugged driver or even card firmware related. Intel confirmed that. Wait some time for the new release.
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    x220 | i5-2520m | Intel ssd 320 series | Gobi 2000 3G GPS | WiFi
    x220 | i5-2520m | hdd 320 | Intel msata ssd 310 series | 3G GPS | WiFi
    Do it well, worse becomes itself
    Русскоязычное Сообщество   English Community   Deutsche Community   Comunidad en Español

  • Macbook air Mini DisplayPort to VGA Adapter connectivity issues

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  • IPhone 4 voice/data connection issues?

    I've had my iPhone 4 for around 6 months now. Lately I've been dropping a lot of out-going calls and have had some issues receiving calls in the last few days. Today I've had 3 voice mail notifications from people who have tried to call me and could not get through. It rings through to voicemail and sends me a notification after they're done recording. I have anywhere from 2 to 4 service bars, usually averaging at 3 in this location.
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    Sprint Network
    1 GB space available

    Helo mchelman,
    Thank you for using Apple Support Communities!
    I was researching what you may be able to do in this situation, and want to recommend this troubleshooting assistant.
    Calls and connection issues
    http://www.apple.com/support/iphone/assistant/calls/
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    Sterling

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    After reinstalling Windows Server 2008 R2 EE my SQL 2008 R2 Sp2 Instances have some connection issues.
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    The DB Engine will collect Data from another DB, before writing to Analysis Services.
    Here are the problems on the server:
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    Both RS Instances have many event log errors like "Report Server (Instance) cannot connect to the report server database.". RS Reports are working fine, but sometimes the rendering is taking a long
    time.
    The DB Engine Agent Job to collect Data sometimes throw the following error: An OLE DB error has occurred. Error code: 0x80004005.  An OLE DB record is available.  Source: "Microsoft SQL Server Native Client 10.0"  Hresult:
    0x80004005  Description: "Unable to complete login process due to delay in opening server connection".  End Error  Error: 2013-12-10 06:03:40.41     Code: 0xC00291EC
    User use Excel to connect to the Cube on my server. Often they got timeout errors. When they connect again it will work.
    Are there any solutons on this?
    Thanks a lot!

    Hello,
    The server were installed under the same hostname, but he got a new sid in my active directory.
    Did you connect to SQL Server instance with Windows authentication? Since the SID of domain account is changed, the SQL Server instace may cannot verify the login account which stored in the master with old SID. In that case, please try to connect
    SQL Server with SQL authentication and then readd the domian as login the instance.
    Regards,
    Fanny Liu
    Fanny Liu
    TechNet Community Support

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