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From "Craig Berry" <>
Subject RE: JspC
Date Sun, 02 Mar 2003 17:16:23 GMT
Correct on all counts, of course.  Jspc could use some major tweaking, but it would be hard
getting things right for all the various jspc runtime formats and packages and so forth; I
think there will always be a DIY klude component to it.
Equally useful to me would be an option where Jasper would precompile all the JSPs during
startup...anybody happen to know if that's in the works?

	-----Original Message----- 
	From: Rod Macpherson [] 
	Sent: Sat 3/1/2003 10:56 PM 
	To: Ant Users List 
	Subject: Re: JspC

	"supporting multi-directory jsps requires a bit more work to get it right"
	I would say the kludge is ant's jspc task; not your use of jspc and javac.
	As for not working with a "multi-directory" (read: pretty much any
	commercially viable web application) structure, are you sure that works at
	all? The new JspC seems to not deal with that at all. You have to compile
	each directory individually and assume all sorts of things about package
	names based on the target appserver. BTW, here's a good hint for JSPs: don't
	use a jsp extension on included JSPs. That way they do not get compiled
	'sept when explicitly included.
	----- Original Message -----
	From: "Craig Berry" <>
	To: "Ant Users List" <>; <>
	Sent: Saturday, March 01, 2003 5:27 PM
	Subject: RE: JspC
	> This is a bit of a kludge, but it works (under Tomcat, at least).  I
	looked around to find the directory where Tomcat's Jasper engine was storing
	jsp-generated .java and .class files.  Having built them in my build tree
	using jspc and javac, I then just copied them over to the "right" place
	under the deploy tree, and it all works fine.  You have to be careful to
	order the deployment so that the deployed jsp files are done first, and
	hence end up with a (very slightly) early timestamp than the derived java
	and class files.
	> Note that Tomcat/Jasper uses an odd directory naming convention for where
	generated jsp files get stored, so supporting multi-directory jsps requires
	a bit more work to get it right.
	> -----Original Message-----
	> From: Matthew Oatham []
	> Sent: Sat 3/1/2003 7:48 AM
	> To:
	> Cc:
	> Subject: Re: JspC
	> Ok, thanks I read that part of the documentation, so what do I do with the
	> class files that are generated? put the in a jar in the lib directory or
	> stick them all in the classes directory? How do I call the from the
	> Do #i have to edit the web.xml file in any way?
	> Thanks.
	> From: "Martin" <>
	> Reply-To: "Ant Users List" <>
	> To: "Ant Users List" <>
	> Subject: Re: JspC
	> Date: Sat, 1 Mar 2003 08:33:32 -0700
	> Matthew
	> the doc states that " The jspc task does basic dependency checking to
	> prevent unnecessary recompilation -this checking compares source and
	> destination timestamps, and does not factor in class or taglib
	> or <jsp:include> references."
	> So if your java files are uptodate the jspc task will be bypassed..(and
	> next task (usually javac) is executed)
	> If you want to build an entire webapp the doc states:
	> "webapp
	> Instructions to jasper to build an entire web application. The base
	> directory must have a WEB-INF subdirectory beneath it. When used, the task
	> hands off all dependency checking to the compiler. Attribute Description
	> Required
	>        basedir the base directory of the web application Yes
	> "
	> Does this help?
	> -Martin
	> ----- Original Message -----
	> From: "Matthew Oatham" <>
	> To: <>
	> Sent: Saturday, March 01, 2003 7:16 AM
	> Subject: JspC
	> Hi,
	> I am currently trying to figure out how to use the ant jspc task to
	> pre-compile my jsps. The task runs through fine but now what? I am left
	> the java code for the generated sservlets but how do I deploy these? Do I
	> remove all the source .jsp files and replace them with the .java files?
	> jsp's that were originally stored in various directory structures now
	> all in the same directory specified as my destination. Is this correct
	> behaviour? Also how so I edit my web.xml file to include the servlet
	> references?
	> Basically has anyone come across any good resources for this kind of task,
	> mean the whole process of deploying pre compiled jsp's not just using the
	> ant task coz I think I have cracked that part!
	> Thanks.
	> Matt
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