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Replies:
7
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Last Post:
Sep 22, 2008 12:03 AM
by: Alexis Moussine...
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Can GlassFish 2 do what Tomcat was able to do ?
Posted:
Sep 19, 2008 3:30 PM
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Re: Can GlassFish 2 do what Tomcat was able to do ?
Posted:
Sep 19, 2008 3:30 PM
in response to: Guest
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Hello all!
Coming from Tomcat world I would like to asked few question related to what
I like to call "Zero Down Time" while using an application server and by
that I mean:
- coding as I debug, having the class loader picking up the changes on the
fly (Class Change Aware Classloader)
- debug and test without deploy - just point the GF to the project - project
that is reflects an J2EE app in an exploded format.
I doubt this is possible but I would stand corrected if you prove my
assumption wrong!
Thanks,
Q
[att1.html]
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Re: Can GlassFish 2 do what Tomcat was able to do ?
Posted:
Sep 19, 2008 4:27 PM
in response to: Q Master
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Hi,
I think the feature you are describing is called "Directory Deployment"
in GlassFish and NetBeans:
http://blogs.sun.com/theaquarium/entry/fast_directory_deployment_in_glassfish
https://glassfish.dev.java.net/javaee5/deployment/#0.0.0.0.Packaging%20Applications%20for%20Deployment|outline
Also read about NetBeans 6.5's new compile on save feature and how it
relates to class reloading support, debugging, etc.
http://wiki.netbeans.org/CompileOnSave#section-CompileOnSave-JavaEE
Ryan
Q Master wrote:
> Hello all!
>
> Coming from Tomcat world I would like to asked few question related to
> what I like to call "Zero Down Time" while using an application server
> and by that I mean:
> - coding as I debug, having the class loader picking up the changes on
> the fly (Class Change Aware Classloader)
> - debug and test without deploy - just point the GF to the project -
> project that is reflects an J2EE app in an exploded format.
>
> I doubt this is possible but I would stand corrected if you prove my
> assumption wrong!
>
> Thanks,
> Q
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Re: Can GlassFish 2 do what Tomcat was able to do ?
Posted:
Sep 19, 2008 5:19 PM
in response to: Ryan de Laplante
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How about eclispe ? Does the eclipse plugin for GF supports the same
features ?
Ryan de Laplante wrote:
> Hi,
>
> I think the feature you are describing is called "Directory
> Deployment" in GlassFish and NetBeans:
>
> http://blogs.sun.com/theaquarium/entry/fast_directory_deployment_in_glassfish
>
> https://glassfish.dev.java.net/javaee5/deployment/#0.0.0.0.Packaging%20Applications%20for%20Deployment|outline
>
>
> Also read about NetBeans 6.5's new compile on save feature and how it
> relates to class reloading support, debugging, etc.
>
> http://wiki.netbeans.org/CompileOnSave#section-CompileOnSave-JavaEE
>
>
> Ryan
>
>
> Q Master wrote:
>> Hello all!
>>
>> Coming from Tomcat world I would like to asked few question related
>> to what I like to call "Zero Down Time" while using an application
>> server and by that I mean:
>> - coding as I debug, having the class loader picking up the changes
>> on the fly (Class Change Aware Classloader)
>> - debug and test without deploy - just point the GF to the project -
>> project that is reflects an J2EE app in an exploded format.
>>
>> I doubt this is possible but I would stand corrected if you prove my
>> assumption wrong!
>>
>> Thanks,
>> Q
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@glassfish.dev.java.net
> For additional commands, e-mail: users-help@glassfish.dev.java.net
>
>
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For additional commands, e-mail: users-help@glassfish.dev.java.net
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Re: Can GlassFish 2 do what Tomcat was able to do ?
Posted:
Sep 19, 2008 6:38 PM
in response to: Q Master
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Q Master wrote:
> How about eclispe ? Does the eclipse plugin for GF supports the same
> features ?
>
>
Hi,
Yes, Gf Eclipse plugin supports directory deployment for Web Applications.
For Ear or Ejb modules, it does not (yet:-)
We are also looking into optimizing a bit more this directory deployment
(currently based on ANT...removing this dependency will make it even
faster).
But the current clear winner is really NetBeans 6.5 nightly builds with
GF V3: compile on save does also fast redeployment...You get the user
experience of writing with a Scripting language (PHP or Ruby or Python)
but with Java (servlet, EJB, JPA, Web Services: save it: it is
automatically redeployed in less than a second).
V2 also supports Compile/Deploy on Java file save with Nb 6.5.. Give it
a try...This is like "Java Script" tm for Java EE experience.
Ludo
> Ryan de Laplante wrote:
>
>> Hi,
>>
>> I think the feature you are describing is called "Directory
>> Deployment" in GlassFish and NetBeans:
>>
>> http://blogs.sun.com/theaquarium/entry/fast_directory_deployment_in_glassfish
>>
>> https://glassfish.dev.java.net/javaee5/deployment/#0.0.0.0.Packaging%20Applications%20for%20Deployment|outline
>>
>>
>> Also read about NetBeans 6.5's new compile on save feature and how it
>> relates to class reloading support, debugging, etc.
>>
>> http://wiki.netbeans.org/CompileOnSave#section-CompileOnSave-JavaEE
>>
>>
>> Ryan
>>
>>
>> Q Master wrote:
>>
>>> Hello all!
>>>
>>> Coming from Tomcat world I would like to asked few question related
>>> to what I like to call "Zero Down Time" while using an application
>>> server and by that I mean:
>>> - coding as I debug, having the class loader picking up the changes
>>> on the fly (Class Change Aware Classloader)
>>> - debug and test without deploy - just point the GF to the project -
>>> project that is reflects an J2EE app in an exploded format.
>>>
>>> I doubt this is possible but I would stand corrected if you prove my
>>> assumption wrong!
>>>
>>> Thanks,
>>> Q
>>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@glassfish.dev.java.net
>> For additional commands, e-mail: users-help@glassfish.dev.java.net
>>
>>
>>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@glassfish.dev.java.net
> For additional commands, e-mail: users-help@glassfish.dev.java.net
>
>
---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@glassfish.dev.java.net
For additional commands, e-mail: users-help@glassfish.dev.java.net
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Re: Can GlassFish 2 do what Tomcat was able to do ?
Posted:
Sep 21, 2008 1:23 PM
in response to: Ryan de Laplante
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Thanks Ryan for the tips and links!
Couple of additional question
- would GF-v3 be good to test with ? I heard will be release in May next
year
- the compile on save think would only work on V3 + NB6.5 right ?
Thanks!
Q
Ryan de Laplante wrote:
> Hi,
>
> I think the feature you are describing is called "Directory
> Deployment" in GlassFish and NetBeans:
>
> http://blogs.sun.com/theaquarium/entry/fast_directory_deployment_in_glassfish
>
> https://glassfish.dev.java.net/javaee5/deployment/#0.0.0.0.Packaging%20Applications%20for%20Deployment|outline
>
>
> Also read about NetBeans 6.5's new compile on save feature and how it
> relates to class reloading support, debugging, etc.
>
> http://wiki.netbeans.org/CompileOnSave#section-CompileOnSave-JavaEE
>
>
> Ryan
>
>
> Q Master wrote:
>> Hello all!
>>
>> Coming from Tomcat world I would like to asked few question related
>> to what I like to call "Zero Down Time" while using an application
>> server and by that I mean:
>> - coding as I debug, having the class loader picking up the changes
>> on the fly (Class Change Aware Classloader)
>> - debug and test without deploy - just point the GF to the project -
>> project that is reflects an J2EE app in an exploded format.
>>
>> I doubt this is possible but I would stand corrected if you prove my
>> assumption wrong!
>>
>> Thanks,
>> Q
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@glassfish.dev.java.net
> For additional commands, e-mail: users-help@glassfish.dev.java.net
>
>
---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@glassfish.dev.java.net
For additional commands, e-mail: users-help@glassfish.dev.java.net
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Re: Can GlassFish 2 do what Tomcat was able to do ?
Posted:
Sep 21, 2008 1:38 PM
in response to: Q Master
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Q Master wrote:
> Thanks Ryan for the tips and links!
>
> Couple of additional question
> - would GF-v3 be good to test with ? I heard will be release in May next year
>
http://wiki.glassfish.java.net/Wiki.jsp?page=GlassFishV3Schedule
According to the schedule, the "Prelude" version will be released at the
end of October (29th). This will be a Java EE 5 version, and I don't
know how much functionality from V2 will be missing (if any). The
version coming out in May will be a Java EE 6 application server.
I continue to use V2 for now. I haven't looked at V3 much although I am
really looking forward to the modular architecture which makes it load
only what it needs into memory on demand. I will be looking at V3 more
on my next project.
> - the compile on save think would only work on V3 + NB6.5 right ?
>
Compile on save is a NetBeans 6.5 feature unrelated to GlassFish. For
Java SE projects it compiles changed .java files whenever you press
save. This is a feature Eclipse has had for a very long time, and many
Eclipse users have identified this feature as an adoption blocker for
NetBeans.
When working with Java EE projects such as web applications, it "Deploys
on Save". If you use directory deployment (exploded .war, only changed
files are updated) then this can be a productivity booster. In this
thread I read that the Eclipse plugin also supports directory
deployment. I doubt it deploys when you save a file though. It's just
one extra step, tell Eclipse to deploy when you want to try it. If you
are using directory deployment then it should be very quick.
To be honest I haven't used directory deployment much because I work on
Window and have been using the Woodstock JSF components. Whenever my
application uses the components, there is some kind of file locking
issue. I forget the exact details but that prevented me from using
directory deploy, and I re deploy my whole application whenever I want
to try it. I remember it not being a problem when I used a plain .war
file, but when I put it inside a .ear file there is a problem.
I recommend you spend some time evaluating GlassFish V3 and the Eclipse
plugin's directory deploy feature. Make sure to give feedback on this
mailing list. We have been using GlassFish V2 in production for a year
now and are very happy with it.
Thanks,
Ryan
> Ryan de Laplante wrote:
>
>> Hi,
>>
>> I think the feature you are describing is called "Directory
>> Deployment" in GlassFish and NetBeans:
>>
>> http://blogs.sun.com/theaquarium/entry/fast_directory_deployment_in_glassfish
>>
>> https://glassfish.dev.java.net/javaee5/deployment/#0.0.0.0.Packaging%20Applications%20for%20Deployment|outline
>>
>>
>> Also read about NetBeans 6.5's new compile on save feature and how it
>> relates to class reloading support, debugging, etc.
>>
>> http://wiki.netbeans.org/CompileOnSave#section-CompileOnSave-JavaEE
>>
>>
>> Ryan
>>
>>
>> Q Master wrote:
>>
>>> Hello all!
>>>
>>> Coming from Tomcat world I would like to asked few question related
>>> to what I like to call "Zero Down Time" while using an application
>>> server and by that I mean:
>>> - coding as I debug, having the class loader picking up the changes
>>> on the fly (Class Change Aware Classloader)
>>> - debug and test without deploy - just point the GF to the project -
>>> project that is reflects an J2EE app in an exploded format.
>>>
>>> I doubt this is possible but I would stand corrected if you prove my
>>> assumption wrong!
>>>
>>> Thanks,
>>> Q
>>>
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For additional commands, e-mail: users-help@glassfish.dev.java.net
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Re: Can GlassFish 2 do what Tomcat was able to do ?
Posted:
Sep 22, 2008 12:03 AM
in response to: Ryan de Laplante
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http://wiki.glassfish.java.net/Wiki.jsp?page=GlassFishV3LiteExpressContent
gives you an idea of what will be in v3 Prelude.
No EJB (although there will be a preview of EJB 3.1 available from the
update center), no clustering, no JMS, ....
Ryan is correct about the schedule (as of today of course).
Give v3 Prelude a try now (a recently promoted build), we're close to
Hard Code Freeze :
http://download.java.net/glassfish/v3/promoted/
You'll get a good idea of what to expect.
On the "compile/deploy on save", we're looking into a solution that
would require the use of NetBeans.
Certainly look first into what v3+eclipse has to offer today already.
-Alexis
On Sep 21, 2008, at 22:38, Ryan de Laplante wrote:
> Q Master wrote:
>> Thanks Ryan for the tips and links!
>>
>> Couple of additional question
>> - would GF-v3 be good to test with ? I heard will be release in May
>> next year
>>
> http://wiki.glassfish.java.net/Wiki.jsp?page=GlassFishV3Schedule
>
> According to the schedule, the "Prelude" version will be released at
> the end of October (29th). This will be a Java EE 5 version, and I
> don't know how much functionality from V2 will be missing (if any).
> The version coming out in May will be a Java EE 6 application server.
> I continue to use V2 for now. I haven't looked at V3 much although
> I am really looking forward to the modular architecture which makes
> it load only what it needs into memory on demand. I will be
> looking at V3 more on my next project.
>
>
>> - the compile on save think would only work on V3 + NB6.5 right ?
>>
> Compile on save is a NetBeans 6.5 feature unrelated to GlassFish.
> For Java SE projects it compiles changed .java files whenever you
> press save. This is a feature Eclipse has had for a very long time,
> and many Eclipse users have identified this feature as an adoption
> blocker for NetBeans.
> When working with Java EE projects such as web applications, it
> "Deploys on Save". If you use directory deployment (exploded .war,
> only changed files are updated) then this can be a productivity
> booster. In this thread I read that the Eclipse plugin also
> supports directory deployment. I doubt it deploys when you save a
> file though. It's just one extra step, tell Eclipse to deploy when
> you want to try it. If you are using directory deployment then it
> should be very quick.
>
>
> To be honest I haven't used directory deployment much because I work
> on Window and have been using the Woodstock JSF components.
> Whenever my application uses the components, there is some kind of
> file locking issue. I forget the exact details but that prevented
> me from using directory deploy, and I re deploy my whole application
> whenever I want to try it. I remember it not being a problem when I
> used a plain .war file, but when I put it inside a .ear file there
> is a problem.
>
>
> I recommend you spend some time evaluating GlassFish V3 and the
> Eclipse plugin's directory deploy feature. Make sure to give
> feedback on this mailing list. We have been using GlassFish V2 in
> production for a year now and are very happy with it.
>
>
> Thanks,
> Ryan
>
>> Ryan de Laplante wrote:
>>
>>> Hi,
>>>
>>> I think the feature you are describing is called "Directory
>>> Deployment" in GlassFish and NetBeans:
>>>
>>> http://blogs.sun.com/theaquarium/entry/fast_directory_deployment_in_glassfish
>>>
>>> https://glassfish.dev.java.net/javaee5/deployment/
>>> #0.0.0.0.Packaging%20Applications%20for%20Deployment|outline
>>>
>>>
>>> Also read about NetBeans 6.5's new compile on save feature and how
>>> it
>>> relates to class reloading support, debugging, etc.
>>>
>>> http://wiki.netbeans.org/CompileOnSave#section-CompileOnSave-JavaEE
>>>
>>>
>>> Ryan
>>>
>>>
>>> Q Master wrote:
>>>
>>>> Hello all!
>>>>
>>>> Coming from Tomcat world I would like to asked few question related
>>>> to what I like to call "Zero Down Time" while using an application
>>>> server and by that I mean:
>>>> - coding as I debug, having the class loader picking up the changes
>>>> on the fly (Class Change Aware Classloader)
>>>> - debug and test without deploy - just point the GF to the
>>>> project -
>>>> project that is reflects an J2EE app in an exploded format.
>>>>
>>>> I doubt this is possible but I would stand corrected if you prove
>>>> my
>>>> assumption wrong!
>>>>
>>>> Thanks,
>>>> Q
>>>>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@glassfish.dev.java.net
> For additional commands, e-mail: users-help@glassfish.dev.java.net
>
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For additional commands, e-mail: users-help@glassfish.dev.java.net
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