Debugging jsp dynpage

I wish to debug a JSP dynpage project.
For that I selected Debug perspective and then Create Manage and Run Configuarations. There I selected Remote Java application.
I get a message "Failed to connect to remote VM. Connection refused".
I entered localhost and 5000 as port. Is there any problem with it?

Hello Prem,
You should start your J2EE-Server in Debug mode to be able to debug:
Steps to follow to start J2EE-Server in Debug mode
1. Run ConfigTool "configtool.bat" which is under path "C:\usr\sap\J2E\JC00\j2ee\configtool\configtool.bat"
2. In ConfigTool goto -->
cluster-data>instance_ID*****>server_ID******
then on the right details-window, goto Tab "Debug".
Select the check box "Debuggable" and Check box "Enable debug mode" and set a "Debug port" generally 50021.
Now restart server and try connecting to the remote VM with your Debug port.
Greetings,
Praveen Gudapati

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How to have a popup in Jsp Dynpage

Hi All,
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I created a complete new JSPDynpage component with Bean etc.
I use the below code
window.open('project.componentname') to have a popup.
and in portal. xml I define the properties ComponentType & JSP.
the window pops up but with error at all times even for a blank JSP,
your help would be well apprictiated at this stage of my project situation.
I need a popup window where that popup is not just a confirm message but a process with several events and DB access.
Thanks in advice,
blsaiue

Hi
Avaialable controls in JSP Dynpage technologies.
http://help.sap.com/saphelp_nw04/helpdata/en/d0/55074155bcf26fe10000000a1550b0/frameset.htm
Regards
-SS

How to put the trace messages in JSP DynPage

Hi,
How to put the trace messages in JSP DynPage components. What settings I need to do and where do I see the trace log.
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Regards,
Madhu

Hi Madhu,
for NW04 see http://help.sap.com/saphelp_nw04/helpdata/en/e2/75a74046033913e10000000a155106/frameset.htm
as well as
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/documents/a1-8-4/using logging and tracing on the sap web as java.pdf
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Wa have created a jsp dynpage, and want to show a custom loading image. I other applications (appintegrator) we have succesfully changed the loading image by exporting the theme that we are currently using, change the loading_ani.gif image and re-importing the theme. This change has no effect on the loading image of the JSP dynpage, it is still the one supplied by SAP. I checked the url of this image and got the following https://host:port/htmlb/mimes/common/loading/loading_ani.gif, so I tried changing the loeding image that is stored in the htmlb par file, but there was no visible result when loading the application, or when loding the direct url of this image. Can anyone tell me where I can change the loading image of the JSP dynpages?
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Juhi Bhatnagar
Greetings!!!
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How to create a jsp dynpage

Hi,
Please tell me how to create a jspdynpage in netweaver.
Please give me detailed steps

Hi,
you will get many documents if you search in sdn or help.sap.com.
here are some sample threads /applications
Application in JSP DynPage
Jsp dynpage help
tutorials of dyn pages and jsp dynpages
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/0e51ec90-0201-0010-adbe-cacdbb88f3b8
http://help.sap.com/saphelp_nw70/helpdata/EN/83/4baa42cdccda11e10000000a155106/frameset.htm
http://help.sap.com/saphelp_nw70/helpdata/EN/f5/cfa441cd47a209e10000000a155106/frameset.htm
regards,
Pradeep

JSP Dynpages

I created a JSP Dynpage via NWDS.
based on the sampples at <a href="http://help.sap.com/saphelp_nw04/helpdata/en/19/4554426dd13555e10000000a1550b0/frameset.htm">SAP Help Creating the JSPDynPage</a>
When I run it, I got the error:
Error in parsing taglib 'tagLib' tag in web.xml or .tld file of the taglib library..
Any point where I can start looking? Is anyone having a better documentation to look at than this rather puristic description?

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"?>
<application>
<application-config>
    <property name="PrivateSharingReference" value="com.sap.portal.htmlb"/>
    <property name="SharingReference" value="htmlb"/>
</application-config>
<components>
    <component name="log2UME">
      <component-config>
        <property name="ClassName" value="log2UME"/>
        <property name="ComponentType" value="jspnative"/>
        <property name="JSP" value="pagelet/log2UME.jsp"/>
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      <component-profile>
        <property name="tagLib" value="SERVICE/htmlb/taglib/htmlb.tld"/>
      </component-profile>
    </component>
</components>
<services/>
</application>
and the jsp page:
%-- OutputText.jsp --%>
<%@ taglib uri= "tagLib" prefix="hbj" %>
<hbj:content id="myContext" >
<hbj:page title="PageTitle">
   <hbj:form id="myFormId" >
      <hbj:textView
                id="welcome_message"
                text="May the force be with you unknown user"
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</hbj:page>
</hbj:content>

Difference between abstract portal component ,dynpages and jsp dynpage

Hi All,
I am new to the SAP world.Can you help me out in finding the difference between abstract portal component ,dynpages and jsp dynpage in Portal development.Please send me any information.

Hi,
Welcome to SDN Community
This blog will brief you the differences between them,
Java development methodologies (Part II)
Regards
Srinivasan T

External Jars in JSP Dynpage

Hi,
I have implemented reading an XML feed in a Java program using informa api.
In NWDS, I created a Java Project. And as required added 3 externals jar files.
I had to import the following:
import de.nava.informa.core.ChannelIF;
import de.nava.informa.core.ItemIF;
import de.nava.informa.impl.basic.ChannelBuilder;
import de.nava.informa.parsers.FeedParser;
The program works on run.
But when I creat a JSP DynPage and I add the follwoing lines:
<%@ page import = "de.nava.informa.core.* "%>
<%@ page import = "de.nava.informa.impl.basic.ChannelBuilder "%>
<%@ page import = "de.nava.informa.parsers.FeedParser "%>
I get an error: Error occurs during the rendering of jsp component. Even in this project I added external Jar files in the same way.
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,
Probably the jars you must have added in your last project would be available on the server or they would have been some server related jar files.
But in the case when you are inclusing some external jars, you need to inclusde it both as "<b>External Jar</b>" and also add it to the <b>lib</b> folder (ie: just copy and pate the jar files in the <b>lib</b> filder).
<b><a href="http://img142.imageshack.us/img142/8168/solution4gy.jpg">Put the .jar file here</a></b>
I hope this solves your problem.
Regards
Pravesh
PS: Please consider rewarding points if helpful and solved.

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.
The HTML renders the Calender UI when run from the local system.
Now i have created a JSP Dynpage application and given proper reference to the javascript files from the JSP.
I created an iview out of this. But on preview the Calendar UI is not rendered.Its all a blank page.
Please suggest as to what could be missing in the application or any possible reasons for this not working.
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.
Regards
Sumit

How to debug jsp program

Thanks,
I havenot used Oracle before I know that
you could debug JSP in Visual Age for Java,
but where could we debug jsp code,
thanks,
null

You can debug JSPs and Servlets in JDeveloper locally in the IDE itself, or remotely.
To debug locally within JDeveloper, simply place breakpoints anywhere in the source code and choose Run | Debug from the main menu. The JSP is run using Oracle's Web-to-Go server.
Remote debugging requires a little more setup. See the online help for more information.

Debugging JSPs using Visual Cafe

          I am using WL 5.1 and trying to figure out how to debug JSPs using Visual Cafe 4.0.(Enterprise Edition). The JSP file is running fine if I use plain "javac" for compilation. If I change the compiler to include -g option (for debug), I get the following error.
          Thu Aug 31 15:46:37 CDT 2000:<E> <ServletContext-General> Servlet failed with Exception
          java.lang.NumberFormatException: error=2
          at java.lang.Integer.parseInt(Integer.java:409)
          at java.lang.Integer.parseInt(Integer.java:458)
          at weblogic.servlet.jsp.JspStub.compilePage JspStub.java:303)
          at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:174)
          at weblogic.servlet.jsp.JspStub.checkForReload(JspStub.java:92)
          at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.
          java:168)
          at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
          pl.java:99)
          at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletCon
          textImpl.java:742)
          at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletCon
          textImpl.java:686)
          at weblogic.servlet.internal.ServletContextManager.invokeServlet(Servlet
          ContextManager.java:247)
          at weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.jav
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          at weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:261)
          at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
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          weblogic.httpd.initArgs.*.jsp=\
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                    workingDir=C:/weblogic/myserver/classfiles,\
                    verbose=true
          If I don't use -g option, the page gets displayed correctly. Any help would be appreciated.
          Thanks
          Sree Pillai


assuming you are running on Windows, you can use a .cmd file with the
          following command in it
          javac -g %*
          if you name it c:/java/bin/javac.cmd, then replace the line with
          compileCommand=C:/java/bin/javac.cmd,\
          Barry
          Sree <[email protected]> wrote in message
          news:[email protected]...
          >
          > I am using WL 5.1 and trying to figure out how to debug JSPs using Visual
          Cafe 4.0.(Enterprise Edition). The JSP file is running fine if I use plain
          "javac" for compilation. If I change the compiler to include -g option (for
          debug), I get the following error.
          >
          > Thu Aug 31 15:46:37 CDT 2000:<E> <ServletContext-General> Servlet failed
          with Exception
          > java.lang.NumberFormatException: error=2
          > at java.lang.Integer.parseInt(Integer.java:409)
          > at java.lang.Integer.parseInt(Integer.java:458)
          > at weblogic.servlet.jsp.JspStub.compilePage JspStub.java:303)
          > at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:174)
          > at weblogic.servlet.jsp.JspStub.checkForReload(JspStub.java:92)
          > at
          weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.
          > java:168)
          > at
          weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
          > pl.java:99)
          > at
          weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletCon
          > textImpl.java:742)
          > at
          weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletCon
          > textImpl.java:686)
          > at
          weblogic.servlet.internal.ServletContextManager.invokeServlet(Servlet
          > ContextManager.java:247)
          > at
          weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.jav
          > a:361)
          > at
          weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:261)
          >
          > at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
          >
          >
          >
          > weblogic.properties
          > -------
          > weblogic.httpd.initArgs.*.jsp=\
          > pageCheckSeconds=1,\
          > compileCommand=C:/VisualCafeEE/java2/bin/javac.exe -g,\
          > workingDir=C:/weblogic/myserver/classfiles,\
          > verbose=true
          > --------------
          >
          >
          > If I don't use -g option, the page gets displayed correctly. Any help
          would be appreciated.
          >
          > Thanks
          > Sree Pillai

JSP Dynpage and Bean

Hi there,
I have developed a portal application using JSP Dynpage which calls R/3 BAPI but I have a strange issue here.
This application calls BAPI and displays it using HTMLB table control.
When returned values from R/3 are small, it is OK. The problem is when large amount of data comes from R/3, data is correctly displayed but Bean seems to be cleared after displaying it. Therefore if one clicks any button on the applicaiton, NullPointerException occurs due to null bean.
Bean scope is "Application".
Do you have any experience like this? Any input is appreciated!
Regards,
Kazuya

At the moment there is a lot of ambigious information about this, and I've asked for some weblog tying it all together (see Bean scope storage confussion)
You problem is that beans in the application scope can be deleted at anytime if the SAP J2EE needs memory. Try the session scope (or search the forums, lots of people have had the same problem before)

Hiding Label field in JSP dynPage

Hi all,
I am having an issue in Hiding/disabling label field in JSP Dynpage application
Works fine:
<hbj:label id="label_Input_US_Taxpayer_ID" text="<%= USTaxpayerID %>" required="FALSE" design="LABEL" labelFor="Input_US_Taxpayer_ID" />
but as soon as I use enabled="FALSE" the code will crash..
Gives ERROR
<hbj:label id="label_Input_US_Taxpayer_ID" text="<%= USTaxpayerID %>" required="FALSE" design="LABEL" labelFor="Input_US_Taxpayer_ID" enabled="FALSE" />
what is the way to implement this ?
Thanks !
Asif

@Nishant : label object does not have visibility property like input field
(http://help.sap.com/saphelp_nw73/helpdata/en/4a/3fcf2580551014e10000000a42189b/content.htm)
However we can enclose the lable field inside DIV object and use it's visibility property.for example
<div id="area_one" style="display:none">
<hbj:label id="label_Input_US_Taxpayer_ID" text="<%= USTaxpayerID %>" required="FALSE" design="LABEL" labelFor="Input_US_Taxpayer_ID" />
</div>
and then change the visibility in script function
if (obj.style.display == "none")
        obj.style.display = "block";
    else
        obj.style.display = "none";
Edited by: asif hirani on Mar 3, 2011 4:52 PM

Custom Personalization Dialog for JSP Dynpage

Hi,
i have a JSP Dynpage Component with the bean. i want to allow the user to personalize the iView when they click the "Personalize" in the iView Tray. So i have implemented doEdit() in the JSP Dynpage class and setting a JSP in the doEdit(). But in the portal the iView is not bringing any custom personalization JSP when i click "Personalize" in the iVIew Tray Drop Down Menu.
doEdit() method wont work for JSP Dynpage ? is it only for Abs Portal Component ?
Thanks,
Saravanan

Hi Saravanan,
Hi Saravanan,
JSPDynPage is more elaborate version of the DynPag. It creates a JSP file and, optionally, a Bean class.
This means that the doProcessBeforeOutput methods are slightly different and there is an additional JSP file and an optional Bean class file. There are obviously other differences (such as the differences in the portalapp.xml file).
Just check with a sample Portalapp.xml file:
Ensure all the entries are made.
<application>
<application-config>
    <property name="releasable" value="true"/>
</application-config>
<components>
    <component name="BeginEPDevelopment">
      <component-config>
        <property name="ClassName" value="com.yourcompany.BeginEPDevelopment"/>
      </component-config>
      <component-profile>
        <property name="diplayHistory" value="10">
          <property name="plainDescription" value="BlogEntries"/>
          <property name="personalization" value="dialog"/>
        </property>
        <property name="diplayStyle" value="list">
          <property name="type" value="select[list,entries]"/>
          <property name="personalization" value="dialog"/>
        </property>
      </component-profile>
    </component>
</components>
<services>
    <service name="BeginEPDevelopmentService">
      <service-config>
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        <property name="className" value="com.yourcompany.BeginEPDevelopmentService"/>
      </service-config>
      <service-profile>
        <property name="BlogComments" value="Display"/>
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    </service>
</services>
</application>
Hope it helps you.
Regards,
Ponneswari.

JSP without JSP Dynpage

Hi experts,
I have one pretty straight forward question. Is it possible to create portal component using JSP but without JSP Dynpage and HTMLB tags? I know I can avoid HTMLB tags but is it possible to avoid JSP Dynpage also?
Regards,
Martin

try using abstract portal component.
As always you can use JSP dynpage and use simple jsp without HTMLB. try creating simple jsp file and use it.
Cheers
Yusuf

Debugging jsp dynpage

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