> I'm trying to use theLessmodule so I can leverage Twitter's Bootstrap in my project. I know I don't needLess, but I figured I'd try it anyway. When I use versions 0.2 or 0.3, I get the following error:

> Bugger, theLESSprocessing failed:,
> java.lang.NullPointerException
>         at com.asual.lesscss.LessEngine.parseLessException(LessEngine.java:163)
>         at com.asual.lesscss.LessEngine.compile(LessEngine.java:104)
>         at play.modules.less.PlayLessEngine.compile(PlayLessEngine.java:94)
>         at play.modules.less.PlayLessEngine.get(PlayLessEngine.java:43)
>         at play.modules.less.Plugin.handleOk(Plugin.java:64)
>         at play.modules.less.Plugin.handleResponse(Plugin.java:49)
>         at play.modules.less.Plugin.serveStatic(Plugin.java:31)
>         at play.plugins.PluginCollection.serveStatic(PluginCollection.java:584)
>         at play.server.PlayHandler.serveStatic(PlayHandler.java:765)
>         at play.server.PlayHandler$NettyInvocation.init(PlayHandler.java:179)
>         at play.Invoker$Invocation.run(Invoker.java:263)
>         at play.server.PlayHandler$NettyInvocation.run(PlayHandler.java:200)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access $301(ScheduledThreadPoolExecutor.java:98)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Sc heduledThreadPoolExecutor.java:206)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.j ava:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java: 908)
>         at java.lang.Thread.run(Thread.java:680)

> I also have the CoffeeScript module installed in my Play 1.2.3 project. Don't know if that makes a difference or not.

> Thanks,

> Matt

On Wed, Oct 12, 2011 at 1:27 AM, Matt Raible <mrai...@gmail.com> wrote:
> This happens with the GreenScript plugin as well. If I use a
> simpler .less file, it works. So I'm guessing there's something
> different b/w Twitter's Less authoring and the compilers that Play
> modules use.

> Is there source code available for the less module? I'd like to see if
> I can add more information to compilation errors, like line numbers
> and such.

> On Oct 9, 1:32 pm, Matt Raible <mrai...@gmail.com> wrote:
> > I'm trying to use theLessmodule so I can leverage Twitter's Bootstrap in
> my project. I know I don't needLess, but I figured I'd try it anyway. When I
> use versions 0.2 or 0.3, I get the following error:

> > Bugger, theLESSprocessing failed:,
> > java.lang.NullPointerException
> >         at
> com.asual.lesscss.LessEngine.parseLessException(LessEngine.java:163)
> >         at com.asual.lesscss.LessEngine.compile(LessEngine.java:104)
> >         at
> play.modules.less.PlayLessEngine.compile(PlayLessEngine.java:94)
> >         at play.modules.less.PlayLessEngine.get(PlayLessEngine.java:43)
> >         at play.modules.less.Plugin.handleOk(Plugin.java:64)
> >         at play.modules.less.Plugin.handleResponse(Plugin.java:49)
> >         at play.modules.less.Plugin.serveStatic(Plugin.java:31)
> >         at
> play.plugins.PluginCollection.serveStatic(PluginCollection.java:584)
> >         at play.server.PlayHandler.serveStatic(PlayHandler.java:765)
> >         at
> play.server.PlayHandler$NettyInvocation.init(PlayHandler.java:179)
> >         at play.Invoker$Invocation.run(Invoker.java:263)
> >         at
> play.server.PlayHandler$NettyInvocation.run(PlayHandler.java:200)
> >         at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> >         at
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> >         at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> >         at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access $301(ScheduledThreadPoolExecutor.java:98)
> >         at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Sc heduledThreadPoolExecutor.java:206)
> >         at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.j ava:886)
> >         at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java: 908)
> >         at java.lang.Thread.run(Thread.java:680)

> > I also have the CoffeeScript module installed in my Play 1.2.3 project.
> Don't know if that makes a difference or not.

> > Thanks,

> > Matt

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> I also have the CoffeeScript module installed in my Play 1.2.3 project.
> Don't know if that makes a difference or not.

>> I also have the CoffeeScript module installed in my Play 1.2.3 project.
>> Don't know if that makes a difference or not.

> Yes, the Rhino engine in the Less module is incompatible with the Rhino
> engine in the coffeescript module. You can install less module 0.3-compat
> to resolve this. See the docs for more info :)

> Regards,

> Erik

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