[2.0] Eclipse and conflicting compilations

[Raphael André Bauer]

Hi,

I am currently often getting:

[error] error while loading Publication, class file
'pla2/target/scala-2.9.1/classes/models/profile/Publication.class' is
broken
[error] (bad constant pool index: 29440 at pos: 949)

I am using Eclipse (eclipsify command) together with play ~run .

Both (eclipse build automatically + run) have compilation enabled, but
at some point the compilations seem to conflict resulting in the error
above. Interestingly it is always the same class where the error
occurs (a simple pojo called Publication).

A "clean" "eclipsify and reimport into Eclipse fixes the problem (but
is not really productive).

Is that a common issue? Any ideas how that can be fixed?

Thanks!

Raphael

[GrailsDeveloper]

Make sure that eclipse doesn't compile into the target folders.

Niels

[peter hausel]

By the way, this will be done automatically for you, once a new version of sbteclipse is released. Thanks Peter

[James Roper]

I'm working with Raphael, and I've found something that could be related.  We are using the typesafe guice plugin.  When the plugin is enabled, automatic reloading, at least of controllers, doesn't work.  The logs output the compiling and reload messages, but when we put a static {} block in the class with some logging, that doesn't get executed, so the controller class is not being reloaded, and when we, in an action, output MyController.class.getClassLoader(), it shows that the classloader version is still v1.  Play.application().classloader() however is v2.  When we disable the guice plugin, everything works fine.  I've reported this issue here:

https://play.lighthouseapp.com/projects/82401/tickets/349-classes-loaded-early-by-play-inject-plugin-never-get-reloaded#ticket-349-1

Possibly this is related?

[peter hausel]

by the way a new version of sbteclipse was just released today which will help us to add play specific tweaks very easily.

I am hoping most eclipse related issues will be fixed in master in the next few days (changing output, adding javabuilder etc. etc.)

[Raphael André Bauer]

On Wed, Apr 11, 2012 at 4:36 PM, peter hausel <peter....@gmail.com> wrote:
> by the way a new version of sbteclipse was just released today which will
> help us to add play specific tweaks very easily.
>
> I am hoping most eclipse related issues will be fixed in master in the next
> few days (changing output, adding javabuilder etc. etc.)

That's really good news!

Yesterday I worked out a solution that seems to work pretty stable.
Thus making eclipse + play2 a really productive team in my eyes.

Just in case anybody is interested:
http://ars-codia.raphaelbauer.com/2012/03/play-2-enabling-eclipse-tooling.html

Comments are much appreciated :)

ra!

[Ben McCann]

Not sure if you still plan on getting to the eclipse stuff soon, but, fyi, sbteclipse 2.1.0-M2 has been released now.

[Ben McCann]

Here's a pull request:

https://github.com/playframework/Play20/pull/273/files 

[Raphael André Bauer]

On Mon, Apr 30, 2012 at 2:22 AM, Ben McCann <benjamin...@gmail.com> wrote:
> Here's a pull request:
> https://github.com/playframework/Play20/pull/273/files

cool :)

Thanks!

Raphael

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[Ben McCann]

Peter checked in the fix last night:

https://github.com/playframework/Play20/commit/b9cf8dec995cae587dcb5dd0b723a2ed61092acf 

On Monday, April 30, 2012 3:07:48 AM UTC-4, ra wrote:

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[Raphael André Bauer]

On Tue, May 1, 2012 at 5:21 PM, Ben McCann <benjamin...@gmail.com> wrote:
> Peter checked in the fix last night:
> https://github.com/playframework/Play20/commit/b9cf8dec995cae587dcb5dd0b723a2ed61092acf

Awesome!

Many thanks. That will really help to fix various annoying problems
for the humble Eclipse user :)

Best,


Raphael

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