In Portal (Java Development)

Dear members of hte group
in order to get java development button in EP
what should i install
( now i installed EP6 sp 9 having SAPDB )
and i uploaded pdk60.90 file through SDM)
plz ans this
regards
satish

this a repeat posting for same question
Java development button
Daniel, In EP6 SP4(WAS 6.4) PDK is installed via SDM. Assign yourself java development role.

Similar Messages

EP6SP2 Portal patch 4prob: java developement - documentation not running

hi,
Before applying EP6SP2 portal patch 4 everything was working fine ... but after applying portal patch 4 java developement -> Documentation and examples tabsare not working ... It is giving Portal runtime error ....... page could not create the iview.
has neone got this error before?
rgds,
Nilz

Hi vibhu,
this is the detailed error i am getting .....
Portal Runtime Error
An exception occurred while processing a request for :
iView : pcd:portal_content/com.sap.pct/developercontent/portaldevelopmentkit/Roles/com.sap.pdk.JavaDeveloper/com.sap.portal.pdk.Documentation/com.sap.portal.pdk.GettingStarted/com.sap.portal.pdk.GettingStarted
Component Name : null
Page could not create the iView.
See the details for the exception ID in the log file

rgds,
Nilz

NWDS for portal-java component development

Can i now use the existing NWDS 7.1 CE on
https://nwds.sap.com/swdc/downloads/updates/netweaver/nwds/ce/ for modifying *.par files and recompile on NWDS for portal \ java framework customizations?
I wanted to use the latest NWDS, and can only find Sneak Preview downloads on Sdn.
Regards,
James

Hi,
Pls Download via http://service.sap.com/swdc
SAP Software Distribution Center -> Download -> Further Download-Infos -> SAP Support Package Stacks -> SP Stack Download
From list select SP Stack SAP NetWeaver 2004s
A new window will pop up:
1. Select your stack
2. Usage Selection: Application Server Java
3. Next Step
4. Under SAP Kernel xx bit select your DB and OS
5. Next Step
6. You get a list of all components of you selected items.
Here you'll find NWDS with a filename like JIDE09P_1-10003480.SAR
also chk this:
https://www.sdn.sap.com/irj/sdn/downloaditem?rid=/library/uuid/cfc19866-0401-0010-35b2-dc8158247fb6
Hope this helps,
Regards
CSM Reddy

Netweaver Java Developer -- Portal Administration Access..

In general, should basic Portal Administration rights be given to Portal Java Netweaver developers?

It is not advisable to give administrative rights.
But there should be fast communication between developers and administrators if developers need any help related to administration(jco settings...sld..)etc
Koti Reddy

Calling and executing a function module in the Portal iview development

Hello Portal development gurus...
I am very new to portal iview development and am learning a lot of stuff.. I now have a requirement to do the following:
1. I need to use the NWDS to create java code in developing an iview
2. I need to call and execute a function module and display the parameters pulled in from the function module onto a Jsp.
3. I need to create an iview based on this deployed component.
Could anybody please explain me how to do the coding on this front?
I appreciate if anybody can share documentation about this kind of a development.
As always, points galore for useful and helpful suggestions.
Regards,
~~~LB

Hi,
Firstly Have you searched in SDN for the same, anyhow please go through the link to work on the requirement
[/docs/DOC-8061#15|/docs/DOC-8061#15]
Go through the thread which will talk in detail
[https://forums.sdn.sap.com/click.jspa?searchID=19551584&messageID=6348955|https://forums.sdn.sap.com/click.jspa?searchID=19551584&messageID=6348955]
Hope this helps.
Cheers-
Pramod

Java Development Role problems!

I have tried to add the java development role to a users account. I have added the following roles:
SAP_JAVA_NWADMIN_CENTRAL
SAP_JAVA_NWADMIN_LOCAL
Apparently they are meant to get a new tab but it does not appear. Am I adding the right roles?

Hi Phil,
See this link for help
http://help.sap.com/saphelp_nw04/helpdata/en/e2/75a74046033913e10000000a155106/frameset.htm
First, You have to create a logger.xml file in the Logger folder of your portal component
Then get a hold of that logger and write to it:
ILogger pLogger;
pLogger = PortalRuntime.getLogger("my_logger");
pLogger.info("testing");
Then, you can find this Logger in EP6 under : System Admin > monitoring > portal > Logging Console
Hope this helps
h

Issue with create user and issue with Java Development tab

I have two issues with EP,
1. When i login with Super Admin user, i am unable to Create any user from User Admin tab. Do i have to change the settings of the Super Admin? or is there any criteria for creating the user?
2. How to assign any user the Java Development tab. Though i login with a super admin user i am unable to see the Java Development role and when tried to assign the role, there were no searches for that Java....

Hi Adi,
by default the super administrater has got all permissions. Thus you should be able to create portal users when using a user assigned to the portal group Administrators.
In order to help you with your first question we need more information. Please describe the malfunction in detail. Have a look into the log files and post related error messages.
Regarding your second question: You will find the java development role in PCD
pcd:portal_content/com.sap.pct/platform_add_ons/com.sap.pct.pdk/Roles/com.sap.pct.pdk.JavaDeveloper.
If not, then you haven't installed the PDK business package in your portal.
Go to service.sap.com, choose downloads and search the package (PDK should do it). Download the package, and deploy on your portal using SDM.
Best regards,
Martin

Urgent Requirement : Sr.Java Developer

Hi ,
We have an urgent requirement for the position of Sr.Java Developer
Location: Chicago, IL
Duration : Straight Hire-Full Time
Availability : Immediate
Description:
The primary role of the position is to design, develop and support application software for one or more business functions of the client.
The role will be related to the processing of new business/clients and setting up relevant workflow and processes.
This position is also related to ensuring integrity and quality in the technical development, security, and systems support practices.
Technical skills:
 Proficient in J2EE design and development
 Experience with Spring, Struts, and Hibernate frameworks
 database Strong development and design. Preferably SQL Server
 Understanding of Service-Oriented Architecture using web services
 Solid experience in XML using XSD and XSLT
 Good understanding of data distribution protocols using FTP or E-Mail
 have Must also strong web programming skills (HTML, JavaScript, AJAX)
for developing and maintaining web-based applications.
 Able to configure and install development tools and implement development environments
 Desired experience with Spring MVC
 Configuration management using Subversion
 Working knowledge of Linux and Windows
Other skills, and abilities:
 sphere IBM Web Portal experience
 Self-managing, in a fast paced development environment.
 knowledge Extensive of software development life cycle and accepted practices.
 and Strategic analytical thinking skills with an ability to solve problems and make decisions.
 of Knowledge .Net (C#)
 in Effective communicating with, and interacting with fellow team members on a technical and non-technical level
 Understanding of financial products. (Futures, fixed income, equities, etc).
Essential Functions:
 expertise Uses in appropriate techniques and tools to design, develop and maintain effective application software, reporting to technical lead.
 Participates to the development and implementation of standards related to the application development, security and system support activities.
 formal Performs and informal reviews of software development processes and products to ascertain quality and adherence to standards.
 Establishes and maintains control procedures for version control.
Monitors and tracks quality related issues and problems through to resolution.
Reports To: Technical team leader
Works With: Customers, Business Managers, Functional Project Managers, Technical Project Managers, Developers
Please send your updated resume ASAP.
Thanks and Regards,
AVVAL
Mohammed Wajid
Making IT Better
Regency Towers Center
Tower Floor
1415 West 22nd Street
Oak Brook IL 60523
[email protected]
http://www.AVVAL.com
Dir:
630.929.3096

¿do you need Functional Consultants? I mean people knowing at a great extent the main functionalities of Oracle Applications?
If so, can you inform the modules?

Error Deploying Sample Portal from Development Guide

I am going through creating a New Portal from WebLogic Portal 7 Development
Guide and I am running into the following problem.
After completing Step 2: Create the New Portal, when I try to Hot Deploy the
application, I get the following error.
Hot deploy failed with the following message:
Unable to add module: NewPortalWebApp to application descriptor for:
portalApp.
The log has the following information..
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
portlets\Portlet1.portlet to sync list.
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
webapps\PortalWebApp\tools.wf to sync list.
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
webapps\PortalWebApp\webflow-extensions.wfx to sync list.
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
webapps\PortalWebApp\user_account.wf to sync list.
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
webapps\PortalWebApp\portal.wf to sync list.
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
webapps\PortalWebApp\security.wf to sync list.
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
webapps\PortalWebApp\NewPortal.portal to sync list.
Attempting sync...
Sync complete.
Searching for portalApp application descriptor...
Found it.
Error - please check log for details.

That's great, Mike, you're welcome. I'm glad it's working for you. Thanks for letting me know.
-Scott
Mike Friesen wrote:
I'm sorry you were right.. I tried it and everything works... thanks..
Mike
"Scott Ellis" <[email protected]> wrote in message
news:[email protected]...
Hi Mike,
I hear what you are saying and I believe you. But the error you describedis the known issue related to Internet access
(down to the exact line numbers in the stack trace). Is it possible yourconnection was down last time you attempted
hot-deploy?
If you are sure your Internet connection is up, I would recommend tryinghot-deploy again. If it still does not work,
something very strange is going on. At that point I would recommendtrying the workaround anyway or escalating the issue
to BEA Support.
Now my curiosity is piqued so I hope you'll let me know either way.
Best Regards,
Scott Ellis
BEA Systems
Mike Friesen wrote:
yes..
"Scott Ellis" <[email protected]> wrote in message
news:[email protected]...
Can you please try something for me? Paste the following URL into abrowser:
http://java.sun.com/dtd/application_1_3.dtd
Does it come up?
Thanks,
Scott
Mike Friesen wrote:
Actually, my computer does have internet access, so I don't think that
is
the problem.
Mike
"Scott Ellis" <[email protected]> wrote in message
news:[email protected]...
Hi Mike,
I would bet that you are working on a machine that doesn't have
Internet
access, correct?
The problem is that the EBCC is trying and failing to access the J2EEapplication descriptor
dtd from Sun's website.
If you can't get Internet access, here is the workaround:
- save the attached file to your harddrive (just save it to c:\)
- edit the application.xml file for your project as follows:
- first copy the entire DOCTYPE declaration and save it somewhere
in
a
separate text file (in case want to revert back to it later)
- edit the DOCTYPE declaration so that it looks like this:
<!DOCTYPE application PUBLIC '-//Sun Microsystems, Inc.//DTD J2EEApplication 1.3//EN' 'file:///application_1_3.dtd'>
( notice that the java.sun.com web address is replaced with the URI
to
the file on your harddrive)
- save your changes and hotdeploy will work with or without Internetaccess
Thanks,
Scott Ellis
BEA Systems
Mike Friesen wrote:
I am going through creating a New Portal from WebLogic Portal 7
Development
Guide and I am running into the following problem.
After completing Step 2: Create the New Portal, when I try to Hot
Deploy
the
application, I get the following error.
Hot deploy failed with the following message:
Unable to add module: NewPortalWebApp to application descriptor for:
portalApp.
The log has the following information..
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
portlets\Portlet1.portlet to sync list.
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
webapps\PortalWebApp\tools.wf to sync list.
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
webapps\PortalWebApp\webflow-extensions.wfx to sync list.
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
webapps\PortalWebApp\user_account.wf to sync list.
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
webapps\PortalWebApp\portal.wf to sync list.
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
webapps\PortalWebApp\security.wf to sync list.
Adding file:
C:\bea\user_projects\myNewdomain\beaApps\portalApp-project\application-sync\
webapps\PortalWebApp\NewPortal.portal to sync list.
Attempting sync...
Sync complete.
Searching for portalApp application descriptor...
Found it.
Error - please check log for details.




<!ELEMENT application (icon?, display-name, description?, module+,
security-role*)>

<!ELEMENT alt-dd (#PCDATA)>

<!ELEMENT connector (#PCDATA)>

<!ELEMENT context-root (#PCDATA)>

<!ELEMENT description (#PCDATA)>

<!ELEMENT display-name (#PCDATA)>

<!ELEMENT ejb (#PCDATA)>

<!ELEMENT icon (small-icon?, large-icon?)>

<!ELEMENT java (#PCDATA)>

<!ELEMENT large-icon (#PCDATA)>

<!ELEMENT module ((connector | ejb | java | web), alt-dd?)>

<!ELEMENT role-name (#PCDATA)>

<!ELEMENT security-role (description?, role-name)>

<!ELEMENT small-icon (#PCDATA)>

<!ELEMENT web (web-uri, context-root)>

<!ELEMENT web-uri (#PCDATA)>

<!ATTLIST alt-dd id ID #IMPLIED>
<!ATTLIST application id ID #IMPLIED>
<!ATTLIST connector id ID #IMPLIED>
<!ATTLIST context-root id ID #IMPLIED>
<!ATTLIST description id ID #IMPLIED>
<!ATTLIST display-name id ID #IMPLIED>
<!ATTLIST ejb id ID #IMPLIED>
<!ATTLIST icon id ID #IMPLIED>
<!ATTLIST java id ID #IMPLIED>
<!ATTLIST large-icon id ID #IMPLIED>
<!ATTLIST module id ID #IMPLIED>
<!ATTLIST role-name id ID #IMPLIED>
<!ATTLIST security-role id ID #IMPLIED>
<!ATTLIST small-icon id ID #IMPLIED>
<!ATTLIST web id ID #IMPLIED>
<!ATTLIST web-uri id ID #IMPLIED>

Jav Developer role = Web Dynpro Content Explorer

Hi,
When i navigate to Java Developer role => Web Dynpro Content Explorer(Detailed Navigation) in portal I am getting following error. I am getting the same error in ESS and MSS pages also...

Portal Runtime Error
An exception occurred while processing a request for :
iView : N/A
Component Name : N/A
com/sapportals/portal/pb/utils/RedirectData.
Exception id: 10:45_30/01/06_0023_2755950
See the details for the exception ID in the log file

When i look at log files ... I am getting the stack trace.

<< item 0 : >>#1.5#0002553A11CD00520000002D000A316000040B9554A2BD58#1138635904826#com.sap.portal.portal#sap.com/irj#com.sap.portal.portal#SMANCHAL#1017##nadcp949_LPD_2755950#SMANCHAL#107dd96091a711da84b30002553a11cd#SAPEngine_Application_Thread[impl:3]_0##0#0#Error#1#/System/Server#Java###Exception ID:10:45_30/01/06_0023_2755950
[EXCEPTION]
#1#com.sapportals.portal.prt.runtime.PortalRuntimeException: PortalRuntimeException
at com.sapportals.portal.prt.core.PortalRequestManager.handleRequestException(PortalRequestManager.java:921)
at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:803)
at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:240)
at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:522)
at java.security.AccessController.doPrivileged1(Native Method)
at java.security.AccessController.doPrivileged(AccessController.java(Compiled Code))
at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:405)
at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
at com.sap.engine.services.servlets_jsp.server.servlet.InvokerServlet.service(InvokerServlet.java:156)
at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java(Compiled Code))
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java(Compiled Code))
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java(Inlined Compiled Code))
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java(Compiled Code))
at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java(Compiled Code))
at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java(Compiled Code))
at com.sap.engine.services.httpserver.server.Client.handle(Client.java(Inlined Compiled Code))
at com.sap.engine.services.httpserver.server.Processor.request(Processor.java(Compiled Code))
at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java(Compiled Code))
at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java(Compiled Code))
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java(Compiled Code))
at java.security.AccessController.doPrivileged1(Native Method)
at java.security.AccessController.doPrivileged(AccessController.java(Compiled Code))
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java(Compiled Code))
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java(Compiled Code))
Caused by: java.lang.NoClassDefFoundError: com/sapportals/portal/pb/utils/RedirectData
at com.sapportals.portal.appintegrator.layer.HTTPRenderLayer.getPageRedirectObject(HTTPRenderLayer.java:282)
at com.sapportals.portal.appintegrator.layer.HTTPRenderLayer.processLayer(HTTPRenderLayer.java:101)
at com.sapportals.portal.appintegrator.LayerProcessor.processActionPass(LayerProcessor.java:173)
at com.sapportals.portal.appintegrator.AbstractIntegratorComponent.doOnPOMReady(AbstractIntegratorComponent.java:71)
at com.sapportals.portal.prt.component.AbstractPortalComponent.handleEvent(AbstractPortalComponent.java(Compiled Code))
at com.sapportals.portal.prt.pom.ComponentNode.handleEvent(ComponentNode.java(Compiled Code))
at com.sapportals.portal.prt.pom.PortalNode.fireEventOnNode(PortalNode.java(Compiled Code))
at com.sapportals.portal.prt.pom.PortalNode.processEventQueue(PortalNode.java(Compiled Code))
at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:652)
... 23 more

Can you please help me with this...

Hi Gary,
> Now do I put this back in original directory
Rrrighty.
> do I need to add back .bak or leave as .par?
Leave as PAR. If the server starts, all .par files within this directory get deployed and in the case of success, .bak gets added. So .par.bak files are not deployed again on the next startup.
> do I need to delete original
> then add my updated version?
I think you don't need to delete the original, but just do it. If your changed .par file get deployed successfully, it will overwrite the old .par.bak anyhow.
But make a security copy of the orginal file for the case that you have changed the original PAR in some strange way
Hope it helps
Detlev

Sap abap developer or java developer

hi
I am an engineer (fresher) and i have two job offers in my hand one is java/j2ee developer and other is sap abap developer
i am not able to decide which one to choose and i have no idea that which one is better than other.
So if u were in my place then which offer will you accept
Thanks
Viron

Hi Viron,
I had to make a similar decision myself a number of years ago. Based on my personal experience I would say the following:
*ABAP Vs Java*
- ABAP is a business procedural language, only used with SAP. Therefore you need to ask yourself the question do you want to restrict yourself to working with one product. Also more importantly do you enjoy writing business related reports? i.e. if you would prefer to program games on mobile phones or be involved in developing a cutting edge software product then ABAP is not for you.
- As a general rule ABAP jobs command a higher salary over Java (in the UK anyway) as it is a more specialised skill. There are far more Java developers around.
- You may feel like ABAP is a step back after programming in Java. Although ABAP supports object orientated programming, web services, web portals ect.. this is not commonly adopted. There is of course a disclaimer here as if you are going to work for a consultancy on green field SAP implementations then you are far more likely to adopt and use the above technologies. However if you are working on an older SAP system or in a support environment most companies are still using the standard R/3 Interface i.e. no web portal and the majority of their reports have not been developed using OO Programming Techniques.
- You could get the best of both worlds if you can get a job as a webdynpro Java developer in SAP. Then pick up ABAP on the side. Having knowledge of both languages would make you highly employable as a web portals developer.
- If you are strongly motivated towards Business Application Programming but would prefer to keep your options open to move into another area later in your career. Then you could look at working with Oracle Fusion, it is a software product based on Java. It is also the 2nd largest ERP tool on the market just behind SAP. This way you are building on your Java programming skills but not restricting yourself to working with an ERP software product in the future.
Hope this is of some help.
Regards,
Phil

New version of Java Developer Certification

Hi!
I' ve done the NW04 Dev Consultant Java Certification and am now wondering - as NW7.1 with Java EE 5.0 gets into Ramp-Up - when a new version (with a delta certification?) will be available for this educational path.
Additionally I would like to take either Portal or ABAP certification - could anybody tell me which of these two skills would better fit to my skill set and be more valuable in future?
Regards,
Thomas

I think you can do the Portal certification with little effort, at least I did. I just read the training material once (I had some experience in the Portal) and certified.
ABAP is really a big plus, even if you just develop portal/java/webdynpro/caf applications or components. But I personally wouldn't spend the time to get certified in it. It might be a better idea to go for the Sun Java 5 certification.

Source Code Control for Java development in 6.20

I am new to Java development. How do you control source code (versioning/transport) for Java development with the base R/3 is 6.20. I believe Java Development Infrastructure (JDI) is only available in 6.40. Is this the correct statement? Anyone that has work on 6.40 with Java can explain?
Let say we have this setup:
Applications are in 6.20
Portal will be EP 6.0
Do we need Web AS 6.40 to develop Java for Portal with base R/3 of 6.20. Or we can use Developer Studio to create Java accessing R/3 6.20 and display in Portal 6.0. If this is the case, how do you manage transport is you are not using JDI in 6.40.

Hi Nablan,
I believe you are development J2EE applications. JDI only runs with WebAS 6.40 which supports J2EE spec. 1.3. The developed J2EE archive will not be able to deploy to WebAS 6.20 which only supports J2EE 1.2 spec. So if you want to deploy the created software build from JDI and deploy it to WebAS 6.20, then the answer is unfortunately no.
But, if you just want the Portal be able to display your application in an iView inside, then maybe you can just develop and deploy your application to the WebAS 6.40 system. Then create an iView in your EP to point to the app in the 6.40 system. That way your app will not need to deploy to WebAS 6.20.
Regards,
Marc

Where to find out the log file under java developer role

Hi,
I have some application created in NWDS. While running it after the PAR deployment and all. some exception is thrown. the exception iD is given. I was trying to find out wher the log files are located in the portal so that I can analyze the exception.
I think it is under the java developer role....but under that......I checked the log viewer tool and all.....but exactly where the log files would be located. so that with the exception ID , I can search and find out the log for the particular exception.
any ideas?
Thanks in advance.

Hi Steelman,
Use the search option in log viewer for this purpose. In the server it would be located in
usr/sap/sid/jc00/cluster/server0/logs
Hope this helps.
Regards
Bharathwaj

Why I cannot see the "Java Development " tag when I finished installation

Hi all
I have finished my reinstall of SAP Netweaver, and granted administrator all roles, but I still cannot see the "Java Development" tag in the head of the page. I don't know why.
How can I do it?
Regards

Hi Wang,
The Java development role comes after the installation of the PDK file to your portal.
For Java development role, download the latest PDK from SDN and then import the .epa file in the portal. After its installation you will see the Java Devlopment role. Assign the role to the user and refresh the portal.
Follow these steps:
Once you have downloaded the PDK. Just extract it. You would have got the .rar file. For extracting this you use some rar extracter. If you want you can download the winrar from the following site:
Winrar Setup: http://www.freedownloadscenter.com/Utilities/Compression_and_Zip_File_Utilities/WinRAR.html
Then you can import this epa file into portal. When you will import this .epa file a new role for Java development will be added to the portal. Assign this role to your User.
For importing the .epa file .epa file u need to import from the portal (System Admin>Transport>Import). Here just give the path of your extracted .epa file.
Role Name: com.sap.pdk.JavaDeveloper
Now you are ready to use the PDK from EP.
I hope this helps you!!
Regards
Pravesh
PS: Please consider rewarding points if helpful or solved.

In Portal (Java Development)

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