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From "Allistair Crossley" <Allistair.Cross...@QAS.com>
Subject RE: Tomcat JRE vs JDK Issue
Date Tue, 16 Nov 2004 15:39:48 GMT
yes unless you do JSP precompilation where you compile your JSPs into servlets before hand.
A servlet is the "bytecode" class that all these guys are talking about. JSP is not a language
per se either, it's an interpreted language like PHP that mixes HTML and Java code. The compilation
phase merges the HTML and Java and so fourth into a Java class called a Servlet. This is what
runs your request from the browser and sends the response back to the user.

Allistair 

> -----Original Message-----
> From: Wick, Daniel [mailto:DPWick@Mail.Donaldson.com]
> Sent: 16 November 2004 15:35
> To: 'Tomcat Users List'
> Subject: RE: Tomcat JRE vs JDK Issue
> 
> 
> Chris,
> 
> JSP pages get compiled into bytecode (as Yoav just said) as they are
> requested.  So, the server requires the SDK, including javac to do the
> compiling.
> 
> --Dan
> 
> > -----Original Message-----
> > From: Hubble, Christopher [mailto:CHRISTOPHER.L.HUBBLE@saic.com]
> > Sent: Tuesday, November 16, 2004 9:20 AM
> > To: 'Tomcat Users List'
> > Subject: RE: Tomcat JRE vs JDK Issue
> > 
> > 
> > Feel free to explain. :)
> > 
> > Chris
> > 
> > -----Original Message-----
> > From: Anthony E. Carlos [mailto:anthony@digitalphenom.com]
> > Sent: Tuesday, November 16, 2004 10:23 AM
> > To: Tomcat Users List
> > Subject: Re: Tomcat JRE vs JDK Issue
> > 
> > 
> > Chris:
> > 
> > I think TC requires the JDK (not just the JRE) so that it 
> can compile 
> > JSPs. If this doesn't make sense, I can explain further.
> > 
> > -Anthony Carlos
> > 
> > On Nov 16, 2004, at 10:17 AM, Allistair Crossley wrote:
> > 
> > does the client machine have JAVA_HOME as an environment variable?
> > 
> > > -----Original Message-----
> > > From: Hubble, Christopher [mailto:CHRISTOPHER.L.HUBBLE@saic.com]
> > > Sent: 16 November 2004 15:09
> > > To: tomcat-user@jakarta.apache.org
> > > Subject: Tomcat JRE vs JDK Issue
> > >
> > >
> > > I'm trying to run Tomcat 5.0.28 on W2k client machine.  On my
> > > machine, it
> > > runs fine, with no problems.  But when I copy it over to the
> > > client machine,
> > > which has the 1.4.2_05 JRE on it, Tomcat won't run, and 
> says that it
> > > requires the JDK.  Why is this, and is there a workaround, or
> > > do I have to
> > > install the JDK?  I don't remember having this issue with
> > > 4.x.  Is it 5.x
> > > specific?  TIA.
> > >
> > > Chris
> > >
> > > 
> > 
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> > >
> > 
> > 
> > <FONT SIZE=1 FACE="VERDANA,ARIAL" COLOR=BLUE>
> > -------------------------------------------------------
> > QAS Ltd.
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