> -----Original Message-----
> From: Carver,F,NAIDP,CARVERFK M [SMTP:[EMAIL PROTECTED]]
> Sent: Friday, February 26, 1999 8:42 AM
> To: [EMAIL PROTECTED]
> Subject: FW: Evaluating Servlet Engines
>
> > I've been putting in a fair amount of effort recently
> > trying to evaluate servlet engines, and it's really
> > starting to bug me. Maybe some of you can help me with
> > solutions, provide pointers to alternatives, or at least
> > sympathise with me.
>
> > JRun: This has the same problem as Jigsaw, but also needs
> > hacking of the main http server configuration. Mere customers
> > of mass market web space providers don't have that option.
>
> > Can anyone help me. Do you know of a servlet engine which:
>
I don't know much(anything) about the other engines you mentioned,
but we have used JRun for a while now. A few selling points-
> > + can be installed using telnet/ftp
> > + can be configured using telnet or low-bandwith http/ftp/smtp
>
JRun has had a CLI(textbased) setup tool since the next-to-last
version. Also, you can manually hack its config files if you wish.
> > + uses a small amount of ISP storage space
>
Not sure exactly how big our installation is. The tarred/gzipped
archive that you download is 8 mb. That comes with documentation and samples
though, so you could do some pruning after the install to trim it down a
bit.
> > + runs on a wide variety of operating systems
>
JRun will run on many Unices(including Solaris, Linux, HPUX, AIX,
IRIX, et al), Netware, NT, 95, and Mac. Also, you can use whatever Java
virtual machine suits your fancy, with a simple config change.
> > + runs with a wide variety of http servers
>
Jrun supports Netscape Enterprise Server, Apache, O'Reilly's
Website, StarNine's WEBStar, and Microsoft's IIS.
> > + needs no access to protected server configs
>
To use with Netscape Enterprise Server, you have to let the
installer modify(or modify by hand) the obj.conf file. I imagine that other
HTTP servers will require similar adjustments.
> > + doesn't need root access to install
>
Nope.
> > + supports a modern servlet API
>
Jrun 2.3 supports the Java Servlet API 2.1.1, as well as the 0.92
JSP spec.
> > + is free/shareware/reasonable cost
>
The freebie version of JRun is fully enabled. The limitation is that
you can only service 5 concurrent connections, which dosen't hurt you too
badly unless you are getting a high volume of requests. JRun Pro, the pay
version, buys you unlimited concurrency, a web-based admin applet(although
from your previous statements, this dosen't appeal to you), and unlimited
phone and email support.
> >
> > Ideally it should also support zero-admin adding or changing
> > of servlets and their associated code, so that simply
> > uploading a new version will install the servlet update the
> engine. In a nutshell what I'm after is a way of making
> basic servlets as easy to deploy as CGI scripts.
>
JRun has supported dynamic servlet reloading for a while now.
> > Is this too much to ask?
>
I don't think so :)
www.livesoftware.com
Hope I've been able to help.
--John Riney III
[EMAIL PROTECTED]
Programmer, Arthur D. Little, Inc.
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