How to debug Portal application?

Hi,
I am developing a weblogic console extension application with web logic portal framework, I got some error, but no idea how to debug,
I can see some error on buildApplication.jsp file, but can't find __buildapplication.java file which is compiled from buildApplication.jsp,
so I can't know the error is in which line in buildApplication.jsp file. and I dont' even know which tag is tag1 tag2 tag3 in that jsp file.
at jsp_servlet._ext_jsp.__buildapplication._jsp__tag3(__buildapplication.java:292)
at jsp_servlet._ext_jsp.__buildapplication._jsp__tag2(__buildapplication.java:260)
at jsp_servlet._ext_jsp.__buildapplication._jsp__tag1(__buildapplication.java:211)
at jsp_servlet._ext_jsp.__buildapplication._jspService(__buildapplication.java:138)
Code of buildApplication.jsp:
     <fmt:setBundle basename="detwds" var="current_bundle" scope="page"/>
     <beehive-template:template templatePage="/layouts/configBaseLayoutNoTransact.jsp">
          <beehive-template:section name="configAreaIntroduction">
          <fmt:message key="buildApplication.jsp.page.introduction" bundle="detwds"/>
          </beehive-template:section>
          <beehive-template:section name="form">
          <html:xhtml/>
          <wl-extension:template name="/templates/jmxform.xml">
          <wl-extension:form name="ExtensionForm" type="com.det.consoleext.form.ExtensionForm" action="/BuildApplication" bundle="detwds">
          <wl-extension:select
          property="contents"                                                   labelId="buildApplication.jsp.page.repositoryList.label"                                                   inlineHelpId="buildApplication.jsp.page.repositoryList.inlinehelp"
          singlechange="false">
               <wl-extension:optionsCollection                                                                  property="repositoryName"
                    label="label"
                    value="value"/>
          </wl-extension:select>
          </wl-extension:form>
     </wl-extension:template>
     </beehive-template:section>
     </beehive-template:template>
Error message:
2755> <BEA-423405> <An exception [java.lang.String] was thrown while rendering the content at [ext_jsp/buildApplication.jsp].
java.lang.ClassCastException: java.lang.String
at jsp_servlet._ext_jsp.__buildapplication._jsp__tag3(__buildapplication.java:292)
at jsp_servlet._ext_jsp.__buildapplication._jsp__tag2(__buildapplication.java:260)
at jsp_servlet._ext_jsp.__buildapplication._jsp__tag1(__buildapplication.java:211)
at jsp_servlet._ext_jsp.__buildapplication._jspService(__buildapplication.java:138)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:226)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:124)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)
at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:528)
at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:454)
at org.apache.beehive.netui.pageflow.scoping.internal.ScopedRequestDispatcher.include(ScopedRequestDispatcher.java:119)
at com.bea.netuix.servlets.controls.content.JspContent.beginRender(JspContent.java:551)
at com.bea.netuix.servlets.controls.content.NetuiContent.beginRender(NetuiContent.java:363)
at com.bea.netuix.nf.ControlLifecycle$7.visit(ControlLifecycle.java:483)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:518)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:220)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:375)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:341)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:332)
at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:306)
at com.bea.netuix.nf.UIControl.render(UIControl.java:578)
at com.bea.netuix.servlets.controls.PresentationContext.render(PresentationContext.java:482)
at com.bea.netuix.servlets.util.RenderToolkit.renderChild(RenderToolkit.java:146)
at com.bea.netuix.servlets.jsp.taglib.RenderChild.doStartTag(RenderChild.java:62)
at jsp_servlet._framework._skeletons._default.__gridlayout._jspService(__gridlayout.java:285)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:226)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:124)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)
at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:528)
at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:454)
at com.bea.netuix.servlets.controls.application.laf.JspTools.renderJsp(JspTools.java:123)
at com.bea.netuix.servlets.controls.application.laf.JspControlRenderer.beginRender(JspControlRenderer.java:72)
at com.bea.netuix.servlets.controls.application.laf.PresentationControlRenderer.beginRender(PresentationControlRenderer.java:65)
at com.bea.netuix.nf.ControlLifecycle$7.visit(ControlLifecycle.java:479)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:518)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:220)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:375)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:341)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:332)
at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:306)
at com.bea.netuix.nf.UIControl.render(UIControl.java:578)
at com.bea.netuix.servlets.controls.PresentationContext.render(PresentationContext.java:482)
at com.bea.netuix.servlets.util.RenderToolkit.renderChild(RenderToolkit.java:146)
at com.bea.netuix.servlets.jsp.taglib.RenderChild.doStartTag(RenderChild.java:62)
at jsp_servlet._framework._skeletons._default.__gridlayout._jspService(__gridlayout.java:285)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:226)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:124)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)
at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:528)
at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:454)
at com.bea.netuix.servlets.controls.application.laf.JspTools.renderJsp(JspTools.java:123)
at com.bea.netuix.servlets.controls.application.laf.JspControlRenderer.beginRender(JspControlRenderer.java:72)
at com.bea.netuix.servlets.controls.application.laf.PresentationControlRenderer.beginRender(PresentationControlRenderer.java:65)
at com.bea.netuix.nf.ControlLifecycle$7.visit(ControlLifecycle.java:479)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:518)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:220)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:375)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:341)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:332)
at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:306)
at com.bea.netuix.nf.UIControl.render(UIControl.java:578)
at com.bea.netuix.servlets.controls.PresentationContext.render(PresentationContext.java:482)
at com.bea.netuix.servlets.util.RenderToolkit.renderChild(RenderToolkit.java:146)
at com.bea.netuix.servlets.jsp.taglib.RenderChild.doStartTag(RenderChild.java:62)
at jsp_servlet._framework._skeletons._default.__flowlayout._jspService(__flowlayout.java:281)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:226)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:124)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)
at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:528)
at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:454)
at com.bea.netuix.servlets.controls.application.laf.JspTools.renderJsp(JspTools.java:123)
at com.bea.netuix.servlets.controls.application.laf.JspControlRenderer.beginRender(JspControlRenderer.java:72)
at com.bea.netuix.servlets.controls.application.laf.PresentationControlRenderer.beginRender(PresentationControlRenderer.java:65)
at com.bea.netuix.nf.ControlLifecycle$7.visit(ControlLifecycle.java:479)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:518)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:220)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:375)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:341)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:332)
at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:306)
at com.bea.netuix.nf.UIControl.render(UIControl.java:578)
at com.bea.netuix.servlets.controls.PresentationContext.render(PresentationContext.java:482)
at com.bea.netuix.servlets.util.RenderToolkit.renderChild(RenderToolkit.java:146)
at com.bea.netuix.servlets.jsp.taglib.RenderChild.doStartTag(RenderChild.java:62)
at jsp_servlet._framework._skeletons._default.__gridlayout._jspService(__gridlayout.java:285)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:226)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:124)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)
at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:528)
at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:454)
at com.bea.netuix.servlets.controls.application.laf.JspTools.renderJsp(JspTools.java:123)
at com.bea.netuix.servlets.controls.application.laf.JspControlRenderer.beginRender(JspControlRenderer.java:72)
at com.bea.netuix.servlets.controls.application.laf.PresentationControlRenderer.beginRender(PresentationControlRenderer.java:65)
at com.bea.netuix.nf.ControlLifecycle$7.visit(ControlLifecycle.java:479)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:518)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:220)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:375)
at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:341)
at com.bea.netuix.nf.Lifecycle.runOutbound(Lifecycle.java:188)
at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:142)
at com.bea.netuix.servlets.manager.UIServlet.runLifecycle(UIServlet.java:377)
at com.bea.netuix.servlets.manager.UIServlet.doPost(UIServlet.java:253)
at com.bea.netuix.servlets.manager.UIServlet.doGet(UIServlet.java:206)
at com.bea.netuix.servlets.manager.UIServlet.service(UIServlet.java:191)
at com.bea.netuix.servlets.manager.SingleFileServlet.service(SingleFileServlet.java:266)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at weblogic.servlet.AsyncInitServlet.service(AsyncInitServlet.java:124)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:226)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:124)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3393)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(Unknown Source)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2140)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2046)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1366)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:200)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:172)

Hello,
Debugging a JSP using a stack trace is made possible by using the keepgenerated element of the jsp-descriptor element in your web app descriptor in WEB-INF/weblogic.xml. The working-dir and verbose elements are also of interest.
You can edit weblogic.xml or you can use the Oracle WebLogic Server console to configure your web app. In the console you would go to "Deployments", find your web app, select the "Configuration" tab, Lock & Edit, and do your thing. The settings you are interested in are "Debug Enabled", "JSP Keep Generated", and "JSP Verbose". I'm not sure which weblogic.xml element the "Debug Enabled" corresponds to, but it might be something like the debug-enabled element of the session-descriptor element.
I can never remember where JSP generated servlet source code files end up if I have not specified a working dir. They end up buried DEEPLY. I just search the file system in my workspace for the generated files. For example, I just found the generated source for my helloOne.jsp in:
C:\bea_wlp102\user_projects\workspaces\frmwrk\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\frmwrk_domain\work\MyWAR\jsp_servlet\_portlets\__helloone.java

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Hi Experts,
We are running some issue in QA box with Portal WebDynpro application using R/3 as back-end and for that we need to debug the application at R/3 side.
In Dev environment we used to put infinite loop in BAPI and debug it via SM50.
Anyone knows the other way to debug since we dont want to make changes in R/3 code?
Any pointers on this will be very helpful.
Regards,
Mehul

Hi Mehul,
In r/3 system go to se37. Open ur function module ->display. put an external breakpoint in the module. Execute ur webdynpro application.U can debug from there.
regards
Sumit

How to develop portal application from scratch

Hi,
I am on the process of evaluating sun one portal server in windows environment.
currently i am planning to develop some sample portal application from scratch.
can someone help me how to go about in this with some reference materials/links.
Thanks and Regards,
Senthil

portal application means
1- portlets (portlet logic + portlet view)
or
2- channel + provider (original Sun portal components)
have a look at
http://docs.sun.com/app/docs/doc/819-1370
additionally you can develop JSR168 portlets in combination with JSF straight with Sun Creater 2
which is currently available as a free beta version
cheers
/ulf

How to move Portal application to 309

I have a Portal 3.0.8 application and a fresh install of Portal 3.0.9 on another server. How can I move the application from 3.0.8 to 3.0.9 without having to upgrade the existing 3.0.8 application?
Thank You.

If you are moving an application between portal installations, both of the portal installations must be at the same version of Oracle9iAS Portal.
So, in your case, you'll need to upgrade your 3.0.8 "development" installation to Portal 3.0.9, before trying to move your application to your existing Portal 3.0.9 "target" environment. Do that, or if your application is small, just rebuild it on your 3.0.9 environment.
Best Regards,
Harry

How do debug an application in Shared Memory debug mode using JDev

I don't see the option of using "Shared memory" debug mode in JDev. There is only socket debug option(Attach/Listen) in debugger but no shared memory debug option.
Is it missing or is it hidden somewhere.
Can anyone let me know as all IDEs provide that.

Any updates?

Debugging portal based application

Hi,
Can anybody tell me how to debug an application based on Portal?
regards
Juhi Kulshreshtha

You can simply use the sap logging API and dump debug statements to default.trc throughout your code. This is especially useful if its you dont want to/cant use the eclipse debugger:
http://help.sap.com/saphelp_nw04s/helpdata/en/4a/c3953ff1353c17e10000000a114084/frameset.htm
Reward points if this helps

How to Debug C++ Multithreaded Application in Solaris

Hi All,
I am working in Solaris Sparc 5.8 Machine. I need to debug Multithreaded C++ Application in Unix Environment.
I am using dbx debugger.
Please explain me how to debug multithreaded applications. if possible please explain me with example.
Thanks in Advance.
Thanks & Regards,
Vasu

1. Look over the dbx manual that comes with Sun Studio. Dbx includes many features for debugging MT code.
2. If you have specific questions after reading the manual and trying out the features, ask them in the debugger forum:
http://forum.sun.com/forum.jspa?forumID=257

How to debug Portal application?

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