NWDS and J2ee server Installation

Hi all,
Iam new to web dynpro java .To download the necessary software for it i went to sap downloads page in SCN . i entered into Netweaver main releases. I am not understanding which version to down load . I want only web dynpro java and portal server.my system is having  window xp Sp3 OS  with 1 GB ram and 50 Gb freespace in hard drive. in some blogs i saw that only 1 gb is necessary for installing but in some it is 2GB min . what are the correct system requirements and
which version of Netweaver is more suitable for installing in my system  and right place to download sufficient software .when
i download also it is asking for going sap service market place. is there any other way to download necessary soft ware for practicing webdynpro java and portal server.......
Thanks and Regards
Prasad

For learning Web Dynpro Java and Portal you should download the CE release: http://www.sdn.sap.com/irj/scn/nw-ce-downloads. From there you can download 7.1 and 7.2 trials. I would go for the 7.2 trial ("SAP NetWeaver Composition Environment 7.2 Trial Version").
br,
Tobias

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              > >>Hi Everyone,
              > >>
              > >>I have a J2EE application implemented mainly with JSP and EJB, which
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              > >>both J2EE and Weblogic Servers seperately. When running on either of
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              > >>
              > >>It is my understanding that it first goes to the cache in the browser
              > >>when you
              > >>try to revisit the previous page (JSP files) by clicking the BACK button
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              > >>If not,
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              > >>
              > >>When I run my application over J2EE server and try to visit the previous
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              > >>by using the BACK button in the browser, it does this way correctly.
              > >>But when
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              > >>Thanks a lot.
              > >>
              > >>-John
              > >>
              > >
              >
              

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    c. if you want to store SAP Database then also you need to Content repository  same like SAP content Server in OAC0 tcode and select storage type as SAP DATABASE.
    and then create storage category.
    if you have any query please let me know
    Thanks,
    Dipak.

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