Problem calling a EJB Java Client from Java Activity Agent

Hi,
We have a wrapper java class that calls to an EJB through a JNDI lookup. The wrapper class is called from a workflow. The problem is that the call fail with the following message error:
Error : getRemoteHome Lugar: ServiceLocator NamingException Mensaje Error: Receive timed out
Mon Jan 09 15:32:13 EST 2006 Enqueuing VIC/97513 com.tallion.tax.workflow.assessment.Update
F_FN_ERROR (MODULE=com.tallion.tax.workflow.assessment.Update) (ITEMTYPE=VIC) (ITEMKEY=97513) (ACTID=10617) (FUNCMODE=RUN) (ERRMESSAGE=getRemoteHome Lugar: ServiceLocator NamingException Mensaje Erro
The wrapper class has in their classpath a jndi.properties as follows:
java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
java.naming.provider.url=69.0.137.120:1099
java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces
The call just works fine when we restart the Java Activity Agent and then, after a while it fails again with the same error.
Any ideas/workaround?
Thanks.

I have a situation that is a bit similar. I have successfully used beans for storing methods used in JSPs and used by other methods in the same class as was suggested above. Now I would like to break some methods into another (utility) class since they are lower level and can be used by lots of things. They are for database operations (given a String query and String dbname, it queries and returns ResultSet for example). I want to have them in a separate class for reusability and OOP.
I am having problems calling those public static methods in the public class from my bean that communicates with the JSP. I can't compile the class that calls the method in the database ops class. I get an error like :
loginHelper.java:45: cannot find symbol
symbol : variable sqlHelper
location: class dbHelperBean.loginHelper
and when I include the package name in the call I get
loginHelper.java:45: cannot find symbol
symbol : class sqlHelper
location: package dbHelperBean
That's strange since the package of both classes is dbHelperBean and the class is indeed called sqlHelper. I tried to compile it in the same directory as sqlHelper as well. What am I doing wrong?
Thanks for any help.

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>
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I hope you have got the solution for this problem.
will you please share the solution. as I am also facing the same...
Thanks

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PLS-00382: expression is of wrong type
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Call: BEGIN ? := GET_GEO_BRD_FUNCTION(p_geo_brd_id=>?); END;
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    spCall.setProcedureName("GET_GEO_BRD_PROCEDURE");
    spCall.addNamedArgument("p_geo_brd_id", "p_geo_brd_id", String.class);
    spCall.addNamedOutputArgument("sdo_geom", "sdo_geom", OracleTypes.STRUCT);
    final ValueReadQuery query = new ValueReadQuery();
    query.setCall(spCall);
    query.addArgument("p_geo_brd_id"); // input
    final List args = new ArrayList();
    args.add("2e531e62-2105-4522-978a-ab8baf19e273");// hardcoded for test
    final Object result = session.executeQuery(query, args);
    return result;
And when I execute the query I get the following error:
java.sql.SQLException: ORA-06550: Row 1, Column 13:
PLS-00306: wrong number or types of arguments in call to 'GET_GEO_BRD_PROCEDURE'
ORA-06550: Row 1, Column 7:
PL/SQL: Statement ignored
So both exceptions look quite similar.
I guess in both cases the exception description leads to the assumption, that the wrong type for the return value / output parameter is used…
So - how can a receive a MDSYS_SDO_GEOMETRY object from a stored procedure or stored function in Java ?
What is wrong in the Java code?
Thank you in advance for any suggestions!
Yours,
Chris
Edited by: user3938161 on 20.12.2011 07:46
Edited by: user3938161 on Dec 20, 2011 8:06 AM: added variable declaration of JGeometry geometry in source code

Thanks, that did the trick! ;-)
Here is now the code for stored procedure and function for anybody else encountering the same troubles... (be aware of the parameter order and/or naming!)
Code for stored functions:
final JpaCallback action = new JpaCallback() {
@Override
public Object doInJpa(final EntityManager em) throws PersistenceException {
     final Session session = JpaHelper.getEntityManager(em).getActiveSession();
       * Using CallableStatement for stored functions
      STRUCT st = null;
      CallableStatement cs = null;
      final DatabaseLogin login = session.getLogin();
      final Connection _conn = (Connection) login.connectToDatasource(session.getDatasourceLogin().buildAccessor(), session);
      try {
         try {
            cs = _conn.prepareCall("{? = call GET_GEO_BRD_FUNCTION(?)}");
            cs.registerOutParameter(1, OracleTypes.STRUCT, "MDSYS.SDO_GEOMETRY");
            cs.setString(2, "2e531e62-2105-4522-978a-ab8baf19e273");//TODO: hardcoded for test
            cs.execute();
         } catch (final SQLException e) {
            MyClass.LOG.error("An exception occured calling the stored procedure", e);
         if (cs != null) {
            //reading geometry from the database
            try {
               st = (STRUCT) cs.getObject(1);
            } catch (final SQLException e) {
               MyClass.LOG.error("An exception occured converting the query result to oracle.sql.STRUCT", e);
      } finally {
         try {
            if (_conn != null && !_conn.isClosed()) {
                _conn.close();
         } catch (final SQLException e) {
            MyClass.LOG.error("An exception occured on closing the database connection.", e);
      return st;
final STRUCT result = (STRUCT) this.getJpaTemplate().execute(action);
The code for stored procedure solution:
final JpaCallback action = new JpaCallback() {
@Override
public Object doInJpa(final EntityManager em) throws PersistenceException {
      final Session session = JpaHelper.getEntityManager(em).getActiveSession();
       * Using CallableStatement for stored procedure
      STRUCT st = null;
      CallableStatement cs = null;
      final DatabaseLogin login = session.getLogin();
      final Connection _conn = (Connection) login.connectToDatasource(session.getDatasourceLogin().buildAccessor(), session);
      try {
         try {
            cs = _conn.prepareCall("{call GET_GEO_BRD_PROCEDURE(?,?)}");
            cs.setString("p_geo_brd_id", "2e531e62-2105-4522-978a-ab8baf19e273");
            cs.registerOutParameter("sdo_geom", OracleTypes.STRUCT, "MDSYS.SDO_GEOMETRY");
            cs.execute();
          } catch (final SQLException e) {
            MyClass.LOG.error("An exception occured calling the stored procedure", e);
          if (cs != null) {
            //reading geometry from the database
            try {
               st = (STRUCT) cs.getObject("sdo_geom");
            } catch (final SQLException e) {
               MyClass.LOG.error("An exception occured converting the query result to oracle.sql.STRUCT", e);
       } finally {
          try {
            if (_conn != null && !_conn.isClosed()) {
               _conn.close();
          } catch (final SQLException e) {
            MyClass.LOG.error("An exception occured on closing the database connection.", e);
        return st;
final STRUCT result = (STRUCT) this.getJpaTemplate().execute(action);

How to create a Java Client from a wsdl file...

Hi,
I am looking for an available option for calling a Cobol unit from a Java application( front end). I've used the MicroFocus tool for creating a wsdl file from our Cobol unit.. Now i want to use this wsdl file for creating a Java Client..
Can any one suggest a suitable solution (software that makes use of the already existing wsdl file and generate a Java Client for that) ASAP....
Thanks,
roopa

Hey you can create java client using Eclispe or WSAD or far that matter any other IDE. crate a project save the WSDLs in a package. Right click on WSDL goto webservice option. From there you can generate client.
cheers,
sapan
Is it still open ?
cheers,
sapan
Edited by: sapan on Feb 25, 2009 1:17 AM

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