How can debugge the portal application

hi sdn,
how can we debugge the portal application.what are steps are needed for this
any documents please forward me.

Hi Kiran,
 Following is the steps for debugging the portal application.
Steps for Debugging
1. Stop the Portal Server if Running.

2. Launch the Config tool of J2EE Engine & Set Up the debugging of the current instance.
 The Config tool is located in the directory ,
<J2EE-Install-Dir>\JC00\j2ee\configtool\configtool.bat
 Switch to the current instance & go to the debug tab.
 Set Enable Debug Mode checked, start the VM of J2EE in debug mode.
 Set a valid debug port, default port is 50021.
 Save the settings and restart the J2EE Engine.
3. Restart the Portal Server.
4. Open SAP Netweaver Developer Studio. Go to Window --- > Open Perspective --- > Enterprise Portal & also open the Debug perspective.
 This enables you to develop & deploy EP Components to your development Portal.
5. Configure Development Environment for Debugging.
 Create new Remote Java Application debug settings.
 Pressing the debug button attaches the SAP Netweaver Developer Studio to the Specified portal installation.
 Go to Debug --- > Remote Java Application & create a new setting for your current Portal Application Project.
 Insert the portals DNS or IP Address and the debug port specified in the Config tool, default port is 50021.
 If the portal runs on the local machine you can enter localhost instead of IP address or DNS name.
 Make sure that your Portal Application is already deployed in the portal.
6. If the connection is attached to the J2EE engines VM session, the SAP Netweaver Studio is ready to debug.
BREAKPOINTS
A Breakpoint causes the execution of a program thread to suspend at the location here the breakpoint is set.
7. Set a breakpoint in your custom coding. The debugger will stop if the VM reaches this marked code line.
To enable the breakpoint,
 Locate the breakpoint in the marker bar of an editor.
 Open the breakpoints context menu & select Enable Breakpoint.
 The breakpoint image will change back to a blue circle.
VARIABLE VIEW
The variables view contains information about the variables in the currently-selected stack frame.
8. To Launch the Variables View :,
Choose Window -- > Show View -- > Other -- > Select Debug -- > Variables View.
9. Force the Portal to execute your deployed coding. The VM stops at the specified break point.
10. The current values of the member variables can be tracked in the Variables window of SAP Netweaver Developer Studio.
** Reward points if you find this Post Useful & Helpful.
Regards,
Eben.

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130.         //ParameterDiscreteValue dcEndDate = new ParameterDiscreteValue();
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132.         // setting the values of discrete objects
133.
134.
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136.
137.         //dcStartDate.Value = DateTime.Parse(strStartDate);
138.         //dcEndDate.Value = DateTime.Parse(strEndDate);
139.
140.         // now adding these discrete values to parameters
141.           //paramField.HasCurrentValue = true;
142.
143.
144.
145.           //pfItemId.CurrentValues.Clear();
146.          int valueIDD = int.Parse(Request.QueryString.Get("ItemId").ToString());
147.           pfItemId.Name = valueIDD.ToString();
148.
149.         pfItemId.CurrentValues.Add(dcItemId);
150.         //ParaLocation.ApplyCurrentValues;
151.         pfItemId.HasCurrentValue = true;
152.
153.         //pfStartDate.CurrentValues.Add(dcStartDate);
154.         //pfEndDate.CurrentValues.Add(dcEndDate);
155.
156.         // now adding all these parameter fields to the parameter collection
157.         paramFields.Add(pfItemId);
158.
159.         //paramFields.Add(pfStartDate);
160.         //paramFields.Add(pfEndDate);
161.         /////////////////////
162.         //Formula from Crystal
163.        //crViewer.SelectionFormula = "{COUNTRIES.REGION_ID} = " + int.Parse(Request.QueryString.Get("ItemId")) + "";
164.         crViewer.RefreshReport();
165.         // finally add the parameter collection to the crystal report viewer
166.         crViewer.ParameterFieldInfo = paramFields;
167.
168.
169.
170.     }
171. }

Keep your post to under 1200 characters, else you loose the formatting. (you can do two posts if need be).
Re. parameters. First, make sure yo have SP 1 for CR 10.5:
https://smpdl.sap-ag.de/~sapidp/012002523100009351512008E/crbasic2008sp1.exe
Next, see the following:
[Crystal Reports for Visual Studio 2005 Walkthroughs|https://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/2081b4d9-6864-2b10-f49d-918baefc7a23]
CR Dev help file:
http://msdn2.microsoft.com/en-us/library/bb126227.aspx
Samples:
https://wiki.sdn.sap.com/wiki/display/BOBJ/CrystalReportsfor.NETSDK+Samples
Ludek
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I have got the answer for the first question.
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