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From "Shapira, Yoav" <>
Subject RE: migrate IIS to J2ee based web server, then migrate .net architecture to j2ee based one
Date Mon, 06 Dec 2004 20:35:51 GMT

You gotta love it when a consultant tries to get others to do the job
for him/her, while he/she collects money on the results ;)  

The answers to most of your questions, e.g. when you need Apache and
when you need an EJB container, can be found in the archives of this

Yoav Shapira

>-----Original Message-----
>From: qiubo su []
>Sent: Monday, December 06, 2004 3:21 PM
>To: Tomcat Users List
>Subject: migrate IIS to J2ee based web server, then migrate .net
>architecture to j2ee based one
>Dear Sir/Madam:
>the company i will work for later on has the software
>product based on the .net framework with the IIS
>middle ware. because of the requirement of the current
>market, the company needs to migrate
>the whole architecture to J2ee based one.
>because the company only has .net resources without
>any j2ee experty. my background is with a lot of
>java/j2ee and without any .net. at the moment i work
>with the chief architecture of this company and try to
>figure out how to migrate .net architecture to j2ee
>based. if i can help them to map out the .net
>architecture to j2ee based one, then i will have the
>chance to work on the java/j2ee and probably oracle
>migration development work. hopefully i can win this
>contract. however, i really need some help/input from
>some free resources, like the Forum Groups, to point
>me to the right direction.
>they plan to start with changing the presentation
>layer IIS to j2ee based one. the following are the
>list of questions I need to figure out urgently. it
>will be very appreciated if you can help on these.
>1. do you think the tomcat web server a good option
>for them or the other ones?
>2. what should be the approach they should apply to
>replace the IIS only at this stage?
>3. how can they replace IIS with tomcat on windows and
>keep all the existing binaries?
>4. if the tomcat is a good option, then after
>installing the tomcat, does the apache need to be
>installed as well? if it is, why?
>5. what is the next step for them to migrate the
>architecture to j2ee based one after replace IIS with
>6. do you recommend weblogic or websphere for them at
>this stage? why?
>7. they have the chief architecture knows only the
>.net architecture and don't know j2ee one, i know only
>the j2ee architecture and don't know .net one. both of
>us need to work together to figure out a
>way to migrate from .net to j2ee in a very tight time
>frame. what can you suggest us to achieve this? what
>documentation or books we need for this without
>recruiting additional resource?
>8. if they change the whole .net to j2ee based, what
>else they need to install, except of the tomcat? for
>the whole migration, how can they map the
>applications/components from .net to j2ee for this
>migration, like, to jsp(j2ee), iis(.net)
>to tomcat(j2ee), (sql server(.net) to oracle(j2ee)
>it will be very appreciated if you can help on the
>above as soon as you can. or point me to someone who
>can help with this.
>Thanks and regards!
> --- "Vakulenko, Andrey V" <>
>> I am trying to move a Java web application (Tomcat
>> 3, IIS, Windows 2000) to
>> Win 2003 server. I already know that there is no way
>> to make tomcat working
>> with IIS 6 (without switching in IIS 5 mode). So, my
>> next question is if I
>> can get rid of IIS? I am using IIS now to get
>> Windows integrated
>> authentification and provide userID to my
>> application for using in role
>> based security. Are new versions of Tomcat (4 and 5)
>> provide functionality
>> to authentificate users (with providing UID to the
>> application thru server
>> variable) and if so can you direct me to
>> documentation?  Once again the app
>> is old and does not require other functional Tomcat
>> upgrade (servlet API and
>> so on). Your input will be highly appreciated.
>> Thanks,
>> Andrey V. Vakulenko
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