Accessing BAPIs in JSP Dynpage

Dear Experts,
I need to access BAPIs in my JSP Dynpage applications. As per my understanding, there are in two ways we can acheive this JCO and JCA. I would like to know the difference between these two methods ibased on performance.
Any pointers? Thanks for your help!
Ram

Hi ,
Please take a look at the below links.
http://help.sap.com/saphelp_nw2004s/helpdata/en/f5/cfa441cd47a209e10000000a155106/frameset.htm
JCA
Hope these will help.
Thanks,
Sandip

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http://help.sap.com/saphelp_nw04/helpdata/en/d0/55074155bcf26fe10000000a1550b0/frameset.htm
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     public void buildConnection(){
          try {
                    System.out.println("**** DI2 *****");
                 //      Add a connection pool to the specified system
                 //    The pool will be saved in the pool list to be used
                 //    from other threads by JCO.getClient(SID).
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                                         10,          // Max. number of connections
                                         "040",       // SAP client
                                         "USERNAME",   // userid
                                         "PASSWORD", // password
                                         "EN",        // language
                                         "IPADDRESS",// host name
                                         "40" );
                 //      Create a new repository
                 //    The repository caches the function and structure definitions
                 //    to be used for all calls to the system SID. The creation of
                 //    redundant instances cause performance and memory waste.
                   repository = com.sap.mw.jco.JCO.createRepository("MYRepository", SID);
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                    client = JCO.getClient(SID);
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                    JCO.ParameterList input = function.getImportParameterList();
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                    //input.setValue("0000009000", "CUSTOMERNO");
                    //input.setValue("0248","COMPANYCODE");
//                 Get import (of Function Module) "Structure list".
                   //JCO.Structure importStructure = function.getImportParameterList().getStructure("CUSTOMERADDRESS");
                    JCO.Structure importStructure = function.getImportParameterList().getStructure("IM_DOCUMENTHEADER");
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                    importStructure.setValue( "20080910", "PSTNG_DATE" );
                    importStructure.setValue( "20080910", "DOC_DATE");
                    importStructure.setValue( "BHARDWS", "USERNAME" );
                    importStructure.setValue( "2008", "FISC_YEAR" );
                    importStructure.setValue( "FRE1", "COMP_CODE" );
//                 Get import (of Function Module) "Table list - 1".
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                    //Append Row -1
                    orderPartners.appendRow();
                   orderPartners.setValue("0000000001", "ITEMNO_ACC" );
                     orderPartners.setValue("0000400100", "GL_ACCOUNT" );
                    orderPartners.setValue("H", "DE_CRE_IND" );
                    orderPartners.setValue( "ANYTHING", "ITEM_TEXT" );
                    //orderPartners.setValue( "AG", "PROFIT_CTR" );
                    orderPartners.setValue( "AIG0000007", "COSTCENTER" );
                    //Append Row -2
                    orderPartners.appendRow();
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                    orderPartners.setValue("0000400100", "GL_ACCOUNT" );
                    orderPartners.setValue("S", "DE_CRE_IND" );
                    orderPartners.setValue( "NOTHING", "ITEM_TEXT" );
                    //orderPartners.setValue( "AG", "PROFIT_CTR" );
                    orderPartners.setValue( "AIG0000007", "COSTCENTER" );
//                 Get import (of Function Module) "Table list - 2".
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//                 Set values for import parameters (of Function Module) "Table list - 2"
                    //Append Row -1
                    orderItems.appendRow();
                   orderItems.setValue("0000000001", "ITEMNO_ACC" );
                    orderItems.setValue("USD", "CURRENCY" );
                    orderItems.setValue( "2000", "AMT_DOCCUR" );
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                    orderItems.appendRow();
                   orderItems.setValue("0000000002", "ITEMNO_ACC" );
                    orderItems.setValue("USD", "CURRENCY" );
                    orderItems.setValue( "2000", "AMT_DOCCUR" );
//                 Execute client
                    client.execute(function);
//******************Start to work on fetching values now********************************
//                 Get export (of Function Module) "Structure list".
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                    JCO.Structure returnStructure2 = function.getExportParameterList().getStructure("CUSTOMERGENERALDETAIL");
                    returnStructure.getString("NAME");
                    returnStructure2.getString("ENTERED_BY");*/
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                    //IFunctionTemplate ftemplateTable = repository.getFunctionTemplate("BAPI_CURRENCY_GETLIST");
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                    Vector tbl = new Vector();
                    Vector row = new Vector();
                    Vector colNames = new Vector();
                    //Loop over all rows
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                    //Loop over all columns in the current row and add all those colums values to the current row
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                         e.hasMoreElements();
                         JCO.Field field = e.nextField();
                         row.add(field.getString());
                         System.out.println(field.getName() + ":\t" + field.getString());
                         } // end for
                         //Add this newly built row to the table
                         tbl.add(row);
                         } while (table_return.nextRow());
                         table_return = null;
                         table_return = function.getTableParameterList().getTable("RETURN");
                         table_return.nextRow();
                         for (JCO.FieldIterator e = table_return.fields();
                         e.hasMoreElements();
                         JCO.Field field = e.nextField();
                         colNames.add(field.getName().toString());
                    //DefaultTableViewModel dtvModel = new DefaultTableViewModel(tbl, colNames);
                    //beanObj.setModel(dtvModel);
                         System.err.println("getting value for you from session in Get Data 1:-");
                         JCO.releaseClient(client);
                    //     return dtvModel;
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               }catch (Exception e){
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Application in JSP DynPage
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https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/0e51ec90-0201-0010-adbe-cacdbb88f3b8
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When I run it, I got the error:
Error in parsing taglib 'tagLib' tag in web.xml or .tld file of the taglib library..
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Thanks for your input.
Do you have any specific links for JSPDynpages? Since most of the DevStuff is about WebDynpros, which I don't plan to use here.
I updated portal.app, but I am not sure if it is right:
<?xml version="1.0" encoding="utf-8"?>
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%-- OutputText.jsp --%>
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Hello Prem,
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2. In ConfigTool goto -->
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Hi,
Welcome to SDN Community
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Java development methodologies (Part II)
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I have implemented reading an XML feed in a Java program using informa api.
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import de.nava.informa.core.ItemIF;
import de.nava.informa.impl.basic.ChannelBuilder;
import de.nava.informa.parsers.FeedParser;
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Any particular stuff need to reside on the server or something?
Because I one tried implementing JCO in JSPDynPage by adding the external jar in the project structure and it worked fine.

Hi Prem,
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<a href="http://img142.imageshack.us/img142/8168/solution4gy.jpg">Put the .jar file here</a>
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Regards
Pravesh
PS: Please consider rewarding points if helpful and solved.

Access BAPIs Using the SAP Java Resource Adapter

Hi experts,
Can someone tell me how to Access BAPIs Using the SAP Java Resource Adapter?

hi Shweta,
Please refer the step by step procedure:
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2. Choose Project → New Project and enter a name for the new project.
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JSP Dynpage not rendering UI

Hi..
I have a HTML page that refers to some javascript files to render a table view for a calendar .The html page along with the Javascript files are put together in one folder.
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Regards
Smita

Chandramohan,
By JSP Page are you referring to JTF JSP page or an OA Framework page. In either case if sometimes the page is not coming up it might be related to the initialization logic/instance/data. Please check on these fronts.
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Accessing BAPIs in JSP Dynpage

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