Retun of object or Array From webservice

Thanks pekka,
you are right...
It is also possible to manage the ByteStream by returning the byte[] array from web services, but the issue is when the response reaches to the client... the invoke method returns object ...as
byte[] ret = (byte[]) call.invoke( new Object[] { "Any String" } );
At this point the axis server throws an error.... regarding the cast of Object type to byte array... (ClassCastException)... Due to this error i thought to return ByreArrayOutputStream object from webservice function......
Although the return of byte[] will also work for me.... but the wholw issue struck at client at client side during typecasting of returned object from web services.....
please suggest any solution.... for its casting...
Thanks Very much...
Gaurav

Dear jpday,
Have you seen this tutorial?
Web Services in LabVIEW
http://zone.ni.com/devzone/cda/tut/p/id/7350
attached to it you will find a zip file named webservicesdemo. This demo contains a VI called Function Generator Main, which shows how to convert an array to an XML string, which you can then output from the web service VI (Function Generator Main shows how to do this).
Hope this helps!
~Nate

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How can i return an object isn't java object from webservice????

Hi !
I have a problem in my Project. When i call method return a java object from webservice , it 's too easy. But when i create my own object (ex:ClientRequest.class) , it doesn't work exactly T_T . When i return that object (on client, doesn't have ClientRequest.class) , i cann't access its static variables.
How can i do it ??
Please help me !
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class ClientRequest {
public static int i;
public static String s;
public ClientRequest() {
}

You can use REFCURSOR type for this. In java SQL TYPES this is available too. In your PLSQL use REFCURSOR for that array and then take the same from java code. Look in the servelet programming book for this SQLTYPE and see PLSQL for handling refcursors. We have done this way and it works.

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i gave ArrayList<bean> , i can't get this ArrayList<bean> from webservice. How can i get ? via for each or iterator or any ?????
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Passing Array of java objects to and from oracle database-Complete Example

Hi all ,
I am posting a working example of Passing Array of java objects to and from oracle database . I have struggled a lot to get it working and since finally its working , postinmg it here so that it coudl be helpful to the rest of the folks.
First thinsg first
i) Create a Java Value Object which you want to pass .
create or replace and compile java source named Person as
import java.sql.*;
import java.io.*;
public class Person implements SQLData
private String sql_type = "PERSON_T";
public int person_id;
public String person_name;
public Person () {}
public String getSQLTypeName() throws SQLException { return sql_type; }
public void readSQL(SQLInput stream, String typeName) throws SQLException
sql_type = typeName;
person_id = stream.readInt();
person_name = stream.readString();
public void writeSQL(SQLOutput stream) throws SQLException
stream.writeInt (person_id);
stream.writeString (person_name);
ii) Once you created a Java class compile this class in sql plus. Just Copy paste and run it in SQL .
you should see a message called "Java created."
iii) Now create your object Types
CREATE TYPE person_t AS OBJECT
EXTERNAL NAME 'Person' LANGUAGE JAVA
USING SQLData (
person_id NUMBER(9) EXTERNAL NAME 'person_id',
person_name VARCHAR2(30) EXTERNAL NAME 'person_name'
iv) Now create a table of Objects
CREATE TYPE person_tab IS TABLE OF person_t;
v) Now create your procedure . Ensure that you create dummy table called "person_test" for loggiing values.
create or replace
procedure give_me_an_array( p_array in person_tab,p_arrayout out person_tab)
as
l_person_id Number;
l_person_name Varchar2(200);
l_person person_t;
l_p_arrayout person_tab;
errm Varchar2(2000);
begin
     l_p_arrayout := person_tab();
for i in 1 .. p_array.count
loop
     l_p_arrayout.extend;
     insert into person_test values(p_array(i).person_id, 'in Record '||p_array(i).person_name);
     l_person_id := p_array(i).person_id;
     l_person_name := p_array(i).person_name;
     l_person := person_t(null,null);
     l_person.person_id := l_person_id + 5;
     l_person.person_name := 'Out Record ' ||l_person_name ;
     l_p_arrayout(i) := l_person;
end loop;
p_arrayout := l_p_arrayout;
     l_person_id := p_arrayout.count;
for i in 1 .. p_arrayout.count
loop
insert into person_test values(l_person_id, p_arrayout(i).person_name);
end loop;
commit;
EXCEPTION WHEN OTHERS THEN
     errm := SQLERRM;
     insert into person_test values(-1, errm);
     commit;
end;
vi) Now finally create your java class which will invoke the pl/sql procedure and get the updated value array and then display it on your screen>Alternatively you can also check the "person_test" tbale
import java.util.Date;
import java.io.*;
import java.sql.*;
import oracle.sql.*;
import oracle.jdbc.driver.*;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
public class ArrayDemo
public static void passArray() throws SQLException
Connection conn = getConnection();
ArrayDemo a = new ArrayDemo();
Person pn1 = new Person();
pn1.person_id = 1;
pn1.person_name = "SunilKumar";
Person pn2 = new Person();
pn2.person_id = 2;
pn2.person_name = "Superb";
Person pn3 = new Person();
pn3.person_id = 31;
pn3.person_name = "Outstanding";
Person[] P_arr = {pn1, pn2, pn3};
Person[] P_arr_out = new Person[3];
ArrayDescriptor descriptor =
ArrayDescriptor.createDescriptor( "PERSON_TAB", conn );
ARRAY array_to_pass =
new ARRAY( descriptor, conn, P_arr);
OracleCallableStatement ps =
(OracleCallableStatement )conn.prepareCall
( "begin give_me_an_array(?,?); end;" );
ps.setARRAY( 1, array_to_pass );
     ps.registerOutParameter( 2, OracleTypes.ARRAY,"PERSON_TAB" );
     ps.execute();
     oracle.sql.ARRAY returnArray = (oracle.sql.ARRAY)ps.getArray(2);
Object[] personDetails = (Object[]) returnArray.getArray();
Person person_record = new Person();
for (int i = 0; i < personDetails.length; i++) {
          person_record = (Person)personDetails;
          System.out.println( "row " + i + " = '" + person_record.person_name +"'" );
                    public static void main (String args[]){
     try
                         ArrayDemo tfc = new ArrayDemo();
                         tfc.passArray();
     catch(Exception e) {
                    e.printStackTrace();
          public static Connection getConnection() {
     try
                         Class.forName ("oracle.jdbc.OracleDriver");
                         return DriverManager.getConnection("jdbc:oracle:thin:@<<HostNanem>>:1523:VIS",
                         "username", "password");
     catch(Exception SQLe) {
                    System.out.println("IN EXCEPTION BLOCK ");
                    return null;
and thats it. you are done.
Hope it atleast helps people to get started. Comments are appreciated. I can be reached at ([email protected]) or [email protected]
Thanks
Sunil.s

Hi Sunil,
I've a similar situation where I'm trying to insert Java objects in db using bulk insert. My issue is with performance for which I've created a new thread.
http://forum.java.sun.com/thread.jspa?threadID=5270260&tstart=30
I ran into your code and looked into it. You've used the Person object array and directly passing it to the oracle.sql.ARRAY constructor. Just curios if this works, cos my understanding is that you need to create a oracle.sql.STRUCT out of ur java object collection and pass it to the ARRAY constructor. I tried ur way but got this runtime exception.
java.sql.SQLException: Fail to convert to internal representation: JavaBulkInsertNew$Option@10bbf9e
                    at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
                    at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)
                    at oracle.jdbc.oracore.OracleTypeADT.toDatum(OracleTypeADT.java:239)
                    at oracle.jdbc.oracore.OracleTypeADT.toDatumArray(OracleTypeADT.java:274)
                    at oracle.jdbc.oracore.OracleTypeUPT.toDatumArray(OracleTypeUPT.java:115)
                    at oracle.sql.ArrayDescriptor.toOracleArray(ArrayDescriptor.java:1314)
                    at oracle.sql.ARRAY.<init>(ARRAY.java:152)
                    at JavaBulkInsertNew.main(JavaBulkInsertNew.java:76)
Here's a code snippet I used :
Object optionVal[] =   {optionArr[0]};   // optionArr[0] is an Option object which has three properties
oracle.sql.ArrayDescriptor empArrayDescriptor = oracle.sql.ArrayDescriptor.createDescriptor("TT_EMP_TEST",conn);
ARRAY empArray = new ARRAY(empArrayDescriptor,conn,optionVal);If you visit my thread, u'll see that I'm using STRUCT and then pass it to the ARRAY constructor, which works well, except for the performance issue.
I'll appreciate if you can provide some information.
Regards,
Shamik

Access the object array from client.

I'm trying to access the object array from client.
it's throwing the following error,
RemoteException Ocuredjava.rmi.ServerException: RemoteException occurred in server thread; nested exception is:
java.rmi.MarshalException: CORBA BAD_PARAM 0x4f4d0006 Maybe; nested exception is:
java.io.NotSerializableException: oracle.jdbc.driver.OracleResultSetImpl is not serializable
how to resolve it?
thanx in advance,
Ilam.

Don't send a ResultSet back as the result of an RMI call. Extract the data from the ResultSet on the server and send that back instead.

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How to reference HttpServlet object from webservice method to access HTTP header?
Thanks
Marcel

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How to get an ArrayList Object in servlet from JSP?

How to get an ArrayList Object in servlet from JSP?
hi all
please give the solution for this without using session and application...
In test1.jsp file
i am setting values for my setter methods using <jsp:usebean> <jsp:setproperty> tags as shown below.
After that i am adding the usebean object to array list, then using request.setAttribute("arraylist object")
---------Code----------
<jsp:useBean id="payment" class="com.common.PaymentHandler" scope="request" />
<jsp:setProperty name="payment" property="strCreditCardNo" param="creditCardNumber" />
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%>
</jsp:useBean>
<%
request.setAttribute("lis1",lis);
%>
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In testServlet.java
i tried to get the arraylist object in servlet using request.getAttribute
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Edward

Hi,
Im also facing the similar problen
pls anybody help..
thax in advance....
Litty

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First.jsp
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session = request.getSession();
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As an example of a JWS that expects and XML Object, try a method like the following:
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The customer also has some shared types, like customerid, created, updated, etc.
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To be clear "pattern" has a specific meaning. Your description is a design not a pattern.
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Is a big business one never going to become a small business one?
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I'd be curious to know if it would be possible to rewrite your query using a JOIN so you could get all the data in one query. The way you've written it will require N network round trips, where N is the number of engine serial numbers. I wonder if clever application of a JOIN with a GROUP BY would do the trick in one?
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Hi all,
i have a STORED PROCEDURE like this:
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for (int i=0; i<myarr.length;i++){
myarr=3.145*i;
xx=myarr;
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Achim

u r asking how ca u get array from jsp?
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null

Retun of object or Array From webservice

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