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Mobile Engine Development

Posted on Apr 29, 2004 at 10:54 AM 18 Views

Hi,

Is it true that TomCat webserver is a part of ME (for JSP). How was this done!! Does this mean that there was a layer built on top of the tomcat to which directs the jsp pages to servlet engine? I am not much aware of tomcat either!!! And also is it right that the layer (if built) was independent as we have a separate installation of ME for AWT applications. How was the ME for AWT based applications built.

With Regards

Murali

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  • author's profile photo Former Member
    Former Member
    Posted on Apr 30, 2004 at 09:31 AM
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    Tomcat is just abunch of Java files, which represents a Webserver by fullfilling some specification request (has to fullfill servlet spec. e.g.). So it's just another kind of (small) software, which can handle so called web applications. ME is just another web application.

    It is not independent concerning AWT and JSP, because a web container serves only JSPs and has nothing to do with AWT.

    REgards

    Volker

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  • author's profile photo Muralidharan Surendran
    Muralidharan Surendran
    Posted on May 14, 2004 at 01:49 PM
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    Hi Kraska,

    Thats fine that ME for JSP is another web application running on Tom cat. Then how was ME for AWT developed. Some light on that or documents would be fine.

    With Regards

    Murali

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    • Former Member Muralidharan Surendran
      May 17, 2004 at 03:38 PM

      Well, JDK 1.1.8 is a minimum requirement. If you want to be absolutely sure, that your app runs on any PDA mentioned in the availability matrix of ME, then code compliant to JDK 1.1.8. But the latest OS for PDA run on a higher version anyway. So 1.3.x, 1.4.x shouldn't be a problem. We do it here, too

      Regards

      Volker

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  • author's profile photo Former Member
    Former Member
    Posted on May 19, 2004 at 07:41 AM
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    Hi Murali,

    If you look on http://jakarta.apache.org/site/binindex.cgi, you will see that there is an embedded version of the Tomcat server. (Not sure if SAP ME uses release 5 though).

    There is also a good article at http://www.vsj.co.uk/articles/display.asp?id=319 that explains how you can write an application using embedded Tomcat, and if you use the keywords embed+tomcat on Google I'm sure you will find more.

    Regards,

    Martin Ceronio

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  • author's profile photo Muralidharan Surendran
    Muralidharan Surendran
    Posted on May 20, 2004 at 04:07 AM
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    Hi,

    Two questions extending this.

    1. We all know that tomcat (webserver is open source) and ME for JSP is a webapplication running on tomcat. Then how is the ME sold. Is is that we give them a release of ME and say that to use ME you need tomcat (with a specific release) which can be downloaded for free from internet. Please clarify on this.

    2. Also extending the question. I guess the question was when developing applications using ME we still need to be complaint with jdk1.1.8. My question for this was is this because of the JRE that we use for PDA namely Creme not supporting jdk1.3.* and above. What exactly is the reason for this.

    With Regards

    Murali

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    • Former Member Muralidharan Surendran
      May 26, 2004 at 03:05 PM

      See the PAM (download from service marketplace) for ME 2.1

      Windows XP/ XP Tablet PC Edition

      JDK 1.2.x JDK 1.3.x

      Windows 2000 SP03 and newer

      JDK 1.2.x JDK 1.3.x

      Linux 2.4 Embedix by Sharp (Zaurus SL-C750)

      Personal Java 3.1

      PocketPC 2002 on StrongARM, XScale Processor

      Personal Java 3.1

      Windows Mobile 2003 (PocketPC2003) on StrongARM, XScale Processor

      Personal Java 3.1

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