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From "Daniel Spicar (Commented) (JIRA)" <>
Subject [jira] [Commented] (CLEREZZA-617) Bug in org.apache.clerezza.platform.typerendering.WebRenderingService causes a refresh of all bundles
Date Mon, 23 Jan 2012 14:22:41 GMT


Daniel Spicar commented on CLEREZZA-617:

Some information on the runtime dependencies for SSPs:

Bare minimum:

NOTE: declaring scala.* will not work for some reason. I assume patterns are only correctly
resolved at compile time by the BND plugin. These dependencies are not visible at compile

when referencing a  WebRenderingService: is required

NOTE: depending on the code in the SSP you may require different packages you reference in
the code.

The lazy and expensive method (classpath becomes expensive to search):

This will dynamically resolve packages exported in the OSGi environment at runtime.

Usage with maven bundle plugin:
				<!--	<DynamicImport-Package>*</DynamicImport-Package>   -->

> Bug in org.apache.clerezza.platform.typerendering.WebRenderingService causes a refresh
of all bundles
> -----------------------------------------------------------------------------------------------------
>                 Key: CLEREZZA-617
>                 URL:
>             Project: Clerezza
>          Issue Type: Bug
>         Environment: Mac OSx 10.6.6
> java version "1.6.0_26"
> Java(TM) SE Runtime Environment (build 1.6.0_26-b03-384-10M3425)
> Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02-384, mixed mode)
>            Reporter: Tsuyoshi Ito
>            Assignee: Daniel Spicar
>            Priority: Critical
>         Attachments: refreshes.png,,
> Updating a bundle which provides a WebrenderingService causes an update of all bundles
(after refresh). Even thougth there are no dependencies between most of the bundles.
> test bundles to reproduce the bug attached.
> How to reproduce it:
> parent version 0.3-incubating-SNAPSHOT is used in test bundles (probably you need  0.2-incubating-SNAPSHOT).
> attempt 1
> 1. Install and start bundle
> 2. Install and start bundle
> 3. Go to http://localhost:8080/admin/renderingtest, The WebrenderingService produces
the text "hello test". WebrenderingService is used in an ssp in the webrenderingserviceconsumer
> 4. update, 
> 5. enter ":f refresh", a refresh is necessary. all bundles are updated
> Furthermore the following error occured, which makes Clerezza Console unavailable.
>$$anon$1@2053076f: caught
Bad file descriptor
> Bad file descriptor
> 	at Method)
> 	at
> 	at
> 	at
> 	at
> 	at
> 	at
> 	at
> 	at
> 	at
> 	at$$anon$1$$anonfun$act$1$$anonfun$apply$1.apply(InterruptibleInputStream.scala:40)
> 	at$$anon$1$$anonfun$act$1$$anonfun$apply$1.apply(InterruptibleInputStream.scala:35)
> 	at
> 	at scala.actors.Reactor$class.resumeReceiver(Reactor.scala:129)
> 	at$$anon$1.scala$actors$ReplyReactor$$super$resumeReceiver(InterruptibleInputStream.scala:32)
> 	at scala.actors.ReplyReactor$class.resumeReceiver(ReplyReactor.scala:69)
> 	at$$anon$1.resumeReceiver(InterruptibleInputStream.scala:32)
> 	at scala.actors.Actor$class.searchMailbox(Actor.scala:478)
> 	at$$anon$1.searchMailbox(InterruptibleInputStream.scala:32)
> 	at scala.actors.Reactor$$anonfun$startSearch$1$$anonfun$apply$mcV$sp$1.apply(Reactor.scala:114)
> 	at scala.actors.Reactor$$anonfun$startSearch$1$$anonfun$apply$mcV$sp$1.apply(Reactor.scala:114)
> 	at
> 	at scala.concurrent.forkjoin.ForkJoinPool$AdaptedRunnable.exec(
> 	at scala.concurrent.forkjoin.ForkJoinTask.quietlyExec(
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.mainLoop(
> 	at
> Because Clerezza Console is unavailable I have used http://localhost:8080/system/console/shell

> attempt 2
> 1 .Update bundle again without visiting http://localhost:8080/admin/renderingtest
first (not compiling the ssp)
> 2. enter refresh => no refresh necessary

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