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From "Daniel Spicar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLEREZZA-617) Bug in org.apache.clerezza.platform.typerendering.WebRenderingService causes a refresh of all bundles
Date Fri, 09 Sep 2011 02:18:11 GMT

    [ https://issues.apache.org/jira/browse/CLEREZZA-617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13100874#comment-13100874
] 

Daniel Spicar commented on CLEREZZA-617:
----------------------------------------

I have been debugging the issue.

The cascade of refreshes occurs because after compiling the SSP that binds the webrenderingservice,
there is a runtime package dependency of org.apache.clerezza.scala.scripting on org.apache.clerezza.org.clerezza.app.webrenderingservice.
Note the direction of the dependency. Something in the Scala Scripting bundle depends on the
Webrenderingservice implementations. Then all bundles dependending on the scala scripting
bundle (contains the Scala compiler service) will refresh as well, which includes the scala
shell, bundledevtool, etc. All in all 22 dependencies are refreshed (not all bundles).

I still need to locate the exact reason for the dependency.

> Bug in org.apache.clerezza.platform.typerendering.WebRenderingService causes a refresh
of all bundles
> -----------------------------------------------------------------------------------------------------
>
>                 Key: CLEREZZA-617
>                 URL: https://issues.apache.org/jira/browse/CLEREZZA-617
>             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
>            Priority: Critical
>         Attachments: renderingservice.zip
>
>
> 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 org.clerezza.app.webrenderingservice
> 2. Install and start bundle org.clerezza.app.webrenderingserviceconsumer
> 3. Go to http://localhost:8080/admin/renderingtest, The WebrenderingService produces
the text "hello test". WebrenderingService is used in an ssp in the webrenderingserviceconsumer
bundle
> 4. update org.clerezza.app.webrenderingservice, 
> 5. enter ":f refresh", a refresh is necessary. all bundles are updated
> Furthermore the following error occured, which makes Clerezza Console unavailable.
> org.apache.clerezza.shell.InterruptibleInputStream$$anon$1@2053076f: caught java.io.IOException:
Bad file descriptor
> java.io.IOException: Bad file descriptor
> 	at sun.nio.ch.FileDispatcher.read0(Native Method)
> 	at sun.nio.ch.FileDispatcher.read(FileDispatcher.java:26)
> 	at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:202)
> 	at sun.nio.ch.IOUtil.read(IOUtil.java:175)
> 	at sun.nio.ch.FileChannelImpl.read(FileChannelImpl.java:144)
> 	at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:48)
> 	at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:92)
> 	at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:86)
> 	at java.io.InputStream.read(InputStream.java:85)
> 	at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:64)
> 	at org.apache.clerezza.shell.InterruptibleInputStream$$anon$1$$anonfun$act$1$$anonfun$apply$1.apply(InterruptibleInputStream.scala:40)
> 	at org.apache.clerezza.shell.InterruptibleInputStream$$anon$1$$anonfun$act$1$$anonfun$apply$1.apply(InterruptibleInputStream.scala:35)
> 	at scala.actors.ReactorTask.run(ReactorTask.scala:34)
> 	at scala.actors.Reactor$class.resumeReceiver(Reactor.scala:129)
> 	at org.apache.clerezza.shell.InterruptibleInputStream$$anon$1.scala$actors$ReplyReactor$$super$resumeReceiver(InterruptibleInputStream.scala:32)
> 	at scala.actors.ReplyReactor$class.resumeReceiver(ReplyReactor.scala:69)
> 	at org.apache.clerezza.shell.InterruptibleInputStream$$anon$1.resumeReceiver(InterruptibleInputStream.scala:32)
> 	at scala.actors.Actor$class.searchMailbox(Actor.scala:478)
> 	at org.apache.clerezza.shell.InterruptibleInputStream$$anon$1.searchMailbox(InterruptibleInputStream.scala:32)
> 	at scala.actors.Reactor$$anonfun$startSearch$1$$anonfun$apply$mcV$sp$1.apply(Reactor.scala:114)
> 	at scala.actors.Reactor$$anonfun$startSearch$1$$anonfun$apply$mcV$sp$1.apply(Reactor.scala:114)
> 	at scala.actors.ReactorTask.run(ReactorTask.scala:36)
> 	at scala.concurrent.forkjoin.ForkJoinPool$AdaptedRunnable.exec(ForkJoinPool.java:611)
> 	at scala.concurrent.forkjoin.ForkJoinTask.quietlyExec(ForkJoinTask.java:422)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.mainLoop(ForkJoinWorkerThread.java:340)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:325)
> Because Clerezza Console is unavailable I have used http://localhost:8080/system/console/shell

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

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